This list includes SQL reserved words – aka SQL reserved keywords, as the SQL:2023 specifies and some RDBMSs have added.
Reserved words in SQL and related products| In SQL:2023 | In IBM Db2 13 | In Mimer SQL 11.0 | In MySQL 8.0 | In Oracle Database 23c | In PostgreSQL 17 | In Microsoft SQL Server 2022 | In Teradata 15 | |
|---|---|---|---|---|---|---|---|---|
| ABORT | — | — | — | — | — | — | — | Teradata |
| ABORTSESSION | — | — | — | — | — | — | — | Teradata |
| ABS | SQL-2023 | — | — | — | — | — | — | Teradata |
| ABSENT | SQL-2023 | — | — | — | — | — | — | — |
| ABSOLUTE | — | — | — | — | — | — | — | Teradata |
| ACCESS | — | — | — | — | Oracle | — | — | — |
| ACCESSIBLE | — | — | — | MySQL | — | — | — | — |
| ACCESS_LOCK | — | — | — | — | — | — | — | Teradata |
| ACCOUNT | — | — | — | — | — | — | — | Teradata |
| ACOS | SQL-2023 | — | — | — | — | — | — | Teradata |
| ACOSH | — | — | — | — | — | — | — | Teradata |
| ACTION | — | — | — | — | — | — | — | Teradata |
| ADD | — | DB2 | — | MySQL | Oracle | — | SQL Server | Teradata |
| ADD_MONTHS | — | — | — | — | — | — | — | Teradata |
| ADMIN | — | — | — | — | — | — | — | Teradata |
| AFTER | — | DB2 | — | — | — | — | — | Teradata |
| AGGREGATE | — | — | — | — | — | — | — | Teradata |
| ALIAS | — | — | — | — | — | — | — | Teradata |
| ALL | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ALLOCATE | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| ALLOW | — | DB2 | — | — | — | — | — | — |
| ALTER | SQL-2023 | — | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| ALTERAND | — | DB2 | — | — | — | — | — | — |
| AMP | — | — | — | — | — | — | — | Teradata |
| ANALYSE | — | — | — | — | — | PostgreSQL | — | — |
| ANALYZE | — | — | — | MySQL | — | PostgreSQL | — | — |
| AND | SQL-2023 | — | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ANSIDATE | — | — | — | — | — | — | — | Teradata |
| ANY | SQL-2023 | DB2 | Mimer | — | Oracle | PostgreSQL | SQL Server | Teradata |
| ANY_VALUE | SQL-2023 | — | — | — | — | — | — | — |
| ARE | SQL-2023 | — | — | — | — | — | — | Teradata |
| ARRAY | SQL-2023 | DB2 | — | — | — | PostgreSQL | — | Teradata |
| ARRAY_AGG | SQL-2023 | — | — | — | — | — | — | — |
| ARRAY_EXISTS | — | DB2 | — | — | — | — | — | — |
| ARRAY_MAX_CARDINALITY | SQL-2023 | — | — | — | — | — | — | — |
| AS | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ASC | — | — | — | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ASENSITIVE | SQL-2023 | DB2 | — | MySQL | — | — | — | — |
| ASIN | SQL-2023 | — | — | — | — | — | — | Teradata |
| ASINH | — | — | — | — | — | — | — | Teradata |
| ASSERTION | — | — | — | — | — | — | — | Teradata |
| ASSOCIATE | — | DB2 | — | — | — | — | — | — |
| ASUTIME | — | DB2 | — | — | — | — | — | — |
| ASYMMETRIC | SQL-2023 | — | Mimer | — | — | PostgreSQL | — | — |
| AT | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| ATAN | SQL-2023 | — | — | — | — | — | — | Teradata |
| ATAN2 | — | — | — | — | — | — | — | Teradata |
| ATANH | — | — | — | — | — | — | — | Teradata |
| ATOMIC | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| AUDIT | — | DB2 | — | — | Oracle | — | — | — |
| AUTHORIZATION | SQL-2023 | — | Mimer | — | — | PostgreSQL | SQL Server | Teradata |
| AUX | — | DB2 | — | — | — | — | — | — |
| AUXILIARY | — | DB2 | — | — | — | — | — | — |
| AVE | — | — | — | — | — | — | — | Teradata |
| AVERAGE | — | — | — | — | — | — | — | Teradata |
| AVG | SQL-2023 | — | — | — | — | — | — | Teradata |
| BACKUP | — | — | — | — | — | — | SQL Server | — |
| BEFORE | — | DB2 | — | MySQL | — | — | — | Teradata |
| BEGIN | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| BEGIN_FRAME | SQL-2023 | — | — | — | — | — | — | — |
| BEGIN_PARTITION | SQL-2023 | — | — | — | — | — | — | — |
| BETWEEN | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| BIGINT | SQL-2023 | — | — | MySQL | — | — | — | — |
| BINARY | SQL-2023 | — | — | MySQL | — | PostgreSQL | — | Teradata |
| BIT | — | — | — | — | — | — | — | Teradata |
| BLOB | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| BOOLEAN | SQL-2023 | — | — | — | — | — | — | Teradata |
| BOTH | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| BREADTH | — | — | — | — | — | — | — | Teradata |
| BREAK | — | — | — | — | — | — | SQL Server | — |
| BROWSE | — | — | — | — | — | — | SQL Server | — |
| BT | — | — | — | — | — | — | — | Teradata |
| BTRIM | SQL-2023 | — | — | — | — | — | — | — |
| BUFFERPOOL | — | DB2 | — | — | — | — | — | — |
| BULK | — | — | — | — | — | — | SQL Server | — |
| BUT | — | — | — | — | — | — | — | Teradata |
| BY | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| BYTE | — | — | — | — | — | — | — | Teradata |
| BYTEINT | — | — | — | — | — | — | — | Teradata |
| BYTES | — | — | — | — | — | — | — | Teradata |
| CALL | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| CALLED | SQL-2023 | — | Mimer | — | — | — | — | — |
| CAPTURE | — | DB2 | — | — | — | — | — | — |
| CARDINALITY | SQL-2023 | — | — | — | — | — | — | — |
| CASCADE | — | — | — | MySQL | — | — | SQL Server | Teradata |
| CASCADED | SQL-2023 | DB2 | — | — | — | — | — | Teradata |
| CASE | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| CASESPECIFIC | — | — | — | — | — | — | — | Teradata |
| CASE_N | — | — | — | — | — | — | — | Teradata |
| CAST | SQL-2023 | DB2 | Mimer | — | — | PostgreSQL | — | Teradata |
| CATALOG | — | — | — | — | — | — | — | Teradata |
| CCSID | — | DB2 | — | — | — | — | — | — |
| CD | — | — | — | — | — | — | — | Teradata |
| CEIL | SQL-2023 | — | — | — | — | — | — | — |
| CEILING | SQL-2023 | — | — | — | — | — | — | — |
| CHANGE | — | — | — | MySQL | — | — | — | — |
| CHAR | SQL-2023 | DB2 | — | MySQL | Oracle | — | — | Teradata |
| CHAR2HEXINT | — | — | — | — | — | — | — | Teradata |
| CHARACTER | SQL-2023 | DB2 | — | MySQL | — | — | — | Teradata |
| CHARACTERS | — | — | — | — | — | — | — | Teradata |
| CHARACTER_LENGTH | SQL-2023 | — | — | — | — | — | — | Teradata |
| CHARS | — | — | — | — | — | — | — | Teradata |
| CHAR_LENGTH | SQL-2023 | — | — | — | — | — | — | Teradata |
| CHECK | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| CHECKPOINT | — | — | — | — | — | — | SQL Server | Teradata |
| CLASS | — | — | — | — | — | — | — | Teradata |
| CLASSIFIER | SQL-2023 | — | — | — | — | — | — | — |
| CLOB | SQL-2023 | — | — | — | — | — | — | Teradata |
| CLONE | — | DB2 | — | — | — | — | — | — |
| CLOSE | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| CLUSTER | — | DB2 | — | — | Oracle | — | — | Teradata |
| CLUSTERED | — | — | — | — | — | — | SQL Server | — |
| CM | — | — | — | — | — | — | — | Teradata |
| COALESCE | SQL-2023 | — | — | — | — | — | SQL Server | Teradata |
| COLLATE | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| COLLATION | — | — | — | — | — | PostgreSQL | — | Teradata |
| COLLECT | SQL-2023 | — | — | — | — | — | — | Teradata |
| COLLECTION | — | DB2 | — | — | — | — | — | — |
| COLLID | — | DB2 | — | — | — | — | — | — |
| COLUMN | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| COLUMN_VALUE | — | — | — | — | Oracle | — | — | — |
| COMMENT | — | DB2 | — | — | Oracle | — | — | Teradata |
| COMMIT | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| COMPLETION | — | — | — | — | — | — | — | Teradata |
| COMPRESS | — | — | — | — | Oracle | — | — | Teradata |
| COMPUTE | — | — | — | — | — | — | SQL Server | — |
| CONCAT | — | DB2 | — | — | — | — | — | — |
| CONCURRENTLY | — | — | — | — | — | PostgreSQL | — | — |
| CONDITION | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | — |
| CONNECT | SQL-2023 | DB2 | Mimer | — | Oracle | — | — | Teradata |
| CONNECTION | — | DB2 | — | — | — | — | — | Teradata |
| CONSTRAINT | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| CONSTRAINTS | — | — | — | — | — | — | — | Teradata |
| CONSTRUCTOR | — | — | — | — | — | — | — | Teradata |
| CONTAINS | SQL-2023 | DB2 | — | — | — | — | SQL Server | — |
| CONTAINSTABLE | — | — | — | — | — | — | SQL Server | — |
| CONTENT | — | DB2 | — | — | — | — | — | — |
| CONTINUE | — | DB2 | — | MySQL | — | — | SQL Server | Teradata |
| CONVERT | SQL-2023 | — | — | MySQL | — | — | SQL Server | — |
| CONVERT_TABLE_HEADER | — | — | — | — | — | — | — | Teradata |
| COPY | SQL-2023 | — | — | — | — | — | — | — |
| CORR | SQL-2023 | — | — | — | — | — | — | Teradata |
| CORRESPONDING | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| COS | SQL-2023 | — | — | — | — | — | — | Teradata |
| COSH | SQL-2023 | — | — | — | — | — | — | Teradata |
| COUNT | SQL-2023 | — | — | — | — | — | — | Teradata |
| COVAR_POP | SQL-2023 | — | — | — | — | — | — | Teradata |
| COVAR_SAMP | SQL-2023 | — | — | — | — | — | — | Teradata |
| CREATE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| CROSS | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| CS | — | — | — | — | — | — | — | Teradata |
| CSUM | — | — | — | — | — | — | — | Teradata |
| CT | — | — | — | — | — | — | — | Teradata |
| CUBE | SQL-2023 | DB2 | — | MySQL | — | — | — | Teradata |
| CUME_DIST | SQL-2023 | — | — | MySQL | — | — | — | — |
| CURRENT | SQL-2023 | DB2 | Mimer | — | Oracle | — | SQL Server | Teradata |
| CURRENT_CATALOG | SQL-2023 | — | — | — | — | PostgreSQL | — | — |
| CURRENT_DATE | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| CURRENT_DEFAULT_TRANSFORM_GROUP | SQL-2023 | — | — | — | — | — | — | — |
| CURRENT_LC_CTYPE | — | DB2 | — | — | — | — | — | — |
| CURRENT_PATH | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| CURRENT_ROLE | SQL-2023 | — | — | — | — | PostgreSQL | — | Teradata |
| CURRENT_ROW | SQL-2023 | — | — | — | — | — | — | — |
| CURRENT_SCHEMA | SQL-2023 | DB2 | — | — | — | PostgreSQL | — | — |
| CURRENT_SERVER | — | DB2 | — | — | — | — | — | — |
| CURRENT_TIME | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| CURRENT_TIMESTAMP | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| CURRENT_TIMEZONE | — | DB2 | — | — | — | — | — | — |
| CURRENT_TRANSFORM_GROUP_FOR_TYPE | SQL-2023 | — | — | — | — | — | — | — |
| CURRENT_USER | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| CURRVAL | — | DB2 | — | — | — | — | — | — |
| CURSOR | SQL-2023 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| CV | — | — | — | — | — | — | — | Teradata |
| CYCLE | SQL-2023 | — | — | — | — | — | — | Teradata |
| DATA | — | DB2 | — | — | — | — | — | Teradata |
| DATABASE | — | DB2 | — | MySQL | — | — | SQL Server | Teradata |
| DATABASES | — | — | — | MySQL | — | — | — | — |
| DATABLOCKSIZE | — | — | — | — | — | — | — | Teradata |
| DATE | SQL-2023 | — | — | — | Oracle | — | — | Teradata |
| DATEFORM | — | — | — | — | — | — | — | Teradata |
| DAY | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| DAYS | — | DB2 | — | — | — | — | — | — |
| DAY_HOUR | — | — | — | MySQL | — | — | — | — |
| DAY_MICROSECOND | — | — | — | MySQL | — | — | — | — |
| DAY_MINUTE | — | — | — | MySQL | — | — | — | — |
| DAY_SECOND | — | — | — | MySQL | — | — | — | — |
| DBCC | — | — | — | — | — | — | SQL Server | — |
| DBINFO | — | DB2 | — | — | — | — | — | — |
| DEALLOCATE | SQL-2023 | — | Mimer | — | — | — | SQL Server | Teradata |
| DEC | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| DECFLOAT | SQL-2023 | — | — | — | — | — | — | — |
| DECIMAL | SQL-2023 | — | — | MySQL | Oracle | — | — | Teradata |
| DECLARE | SQL-2023 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| DEFAULT | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| DEFERRABLE | — | — | — | — | — | PostgreSQL | — | Teradata |
| DEFERRED | — | — | — | — | — | — | — | Teradata |
| DEFINE | SQL-2023 | — | — | — | — | — | — | — |
| DEGREES | — | — | — | — | — | — | — | Teradata |
| DEL | — | — | — | — | — | — | — | Teradata |
| DELAYED | — | — | — | MySQL | — | — | — | — |
| DELETE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| DENSE_RANK | SQL-2023 | — | — | MySQL | — | — | — | — |
| DENY | — | — | — | — | — | — | SQL Server | — |
| DEPTH | — | — | — | — | — | — | — | Teradata |
| DEREF | SQL-2023 | — | — | — | — | — | — | Teradata |
| DESC | — | — | — | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| DESCRIBE | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| DESCRIPTOR | — | DB2 | — | — | — | — | — | Teradata |
| DESTROY | — | — | — | — | — | — | — | Teradata |
| DESTRUCTOR | — | — | — | — | — | — | — | Teradata |
| DETERMINISTIC | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| DIAGNOSTIC | — | — | — | — | — | — | — | Teradata |
| DIAGNOSTICS | — | — | — | — | — | — | — | Teradata |
| DICTIONARY | — | — | — | — | — | — | — | Teradata |
| DISABLE | — | DB2 | — | — | — | — | — | — |
| DISABLED | — | — | — | — | — | — | — | Teradata |
| DISALLOW | — | DB2 | — | — | — | — | — | — |
| DISCONNECT | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| DISK | — | — | — | — | — | — | SQL Server | — |
| DISTINCT | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| DISTINCTROW | — | — | — | MySQL | — | — | — | — |
| DISTRIBUTED | — | — | — | — | — | — | SQL Server | — |
| DIV | — | — | — | MySQL | — | — | — | — |
| DO | SQL/PSM-2016 | DB2 | Mimer | — | — | PostgreSQL | — | Teradata |
| DOCUMENT | — | DB2 | — | — | — | — | — | — |
| DOMAIN | — | — | — | — | — | — | — | Teradata |
| DOUBLE | SQL-2023 | DB2 | — | MySQL | — | — | SQL Server | Teradata |
| DROP | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| DSSIZE | — | DB2 | — | — | — | — | — | — |
| DUAL | — | — | — | MySQL | — | — | — | Teradata |
| DUMP | — | — | — | — | — | — | SQL Server | Teradata |
| DYNAMIC | SQL-2023 | DB2 | — | — | — | — | — | Teradata |
| EACH | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| ECHO | — | — | — | — | — | — | — | Teradata |
| EDITPROC | — | DB2 | — | — | — | — | — | — |
| ELEMENT | SQL-2023 | — | — | — | — | — | — | — |
| ELSE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ELSEIF | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| EMPTY | SQL-2023 | — | — | MySQL | — | — | — | — |
| ENABLED | — | — | — | — | — | — | — | Teradata |
| ENCLOSED | — | — | — | MySQL | — | — | — | — |
| ENCODING | — | DB2 | — | — | — | — | — | — |
| ENCRYPTION | — | DB2 | — | — | — | — | — | — |
| END | SQL-2023 | DB2 | Mimer | — | — | PostgreSQL | SQL Server | Teradata |
| END-EXEC | SQL-2023 | DB2 | — | — | — | — | — | Teradata |
| ENDING | — | DB2 | — | — | — | — | — | — |
| END_FRAME | SQL-2023 | — | — | — | — | — | — | — |
| END_PARTITION | SQL-2023 | — | — | — | — | — | — | — |
| EQ | — | — | — | — | — | — | — | Teradata |
| EQUALS | SQL-2023 | — | — | — | — | — | — | Teradata |
| ERASE | — | DB2 | — | — | — | — | — | — |
| ERRLVL | — | — | — | — | — | — | SQL Server | — |
| ERROR | — | — | — | — | — | — | — | Teradata |
| ERRORFILES | — | — | — | — | — | — | — | Teradata |
| ERRORTABLES | — | — | — | — | — | — | — | Teradata |
| ESCAPE | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| ESCAPED | — | — | — | MySQL | — | — | — | — |
| ET | — | — | — | — | — | — | — | Teradata |
| EVERY | SQL-2023 | — | — | — | — | — | — | Teradata |
| EXCEPT | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| EXCEPTION | — | DB2 | — | — | — | — | — | Teradata |
| EXCLUSIVE | — | — | — | — | Oracle | — | — | — |
| EXEC | SQL-2023 | — | — | — | — | — | SQL Server | Teradata |
| EXECUTE | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| EXISTS | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| EXIT | — | DB2 | — | MySQL | — | — | SQL Server | Teradata |
| EXP | SQL-2023 | — | — | — | — | — | — | Teradata |
| EXPLAIN | — | DB2 | — | MySQL | — | — | — | Teradata |
| EXTERNAL | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| EXTRACT | SQL-2023 | — | — | — | — | — | — | Teradata |
| FALLBACK | — | — | — | — | — | — | — | Teradata |
| FALSE | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| FASTEXPORT | — | — | — | — | — | — | — | Teradata |
| FENCED | — | DB2 | — | — | — | — | — | — |
| FETCH | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| FIELDPROC | — | DB2 | — | — | — | — | — | — |
| FILE | — | — | — | — | Oracle | — | SQL Server | — |
| FILLFACTOR | — | — | — | — | — | — | SQL Server | — |
| FILTER | SQL-2023 | — | — | — | — | — | — | — |
| FINAL | — | DB2 | — | — | — | — | — | — |
| FIRST | — | DB2 | Mimer | — | — | — | — | Teradata |
| FIRST_VALUE | SQL-2023 | — | — | MySQL | — | — | — | — |
| FLOAT | SQL-2023 | — | — | MySQL | Oracle | — | — | Teradata |
| FLOAT4 | — | — | — | MySQL | — | — | — | — |
| FLOAT8 | — | — | — | MySQL | — | — | — | — |
| FLOOR | SQL-2023 | — | — | — | — | — | — | — |
| FOR | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| FORCE | — | — | — | MySQL | — | — | — | — |
| FOREIGN | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| FORMAT | — | — | — | — | — | — | — | Teradata |
| FOUND | — | — | — | — | — | — | — | Teradata |
| FRAME_ROW | SQL-2023 | — | — | — | — | — | — | — |
| FREE | SQL-2023 | DB2 | — | — | — | — | — | Teradata |
| FREESPACE | — | — | — | — | — | — | — | Teradata |
| FREETEXT | — | — | — | — | — | — | SQL Server | — |
| FREETEXTTABLE | — | — | — | — | — | — | SQL Server | — |
| FREEZE | — | — | — | — | — | PostgreSQL | — | — |
| FROM | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| FULL | SQL-2023 | DB2 | Mimer | — | — | PostgreSQL | SQL Server | Teradata |
| FULLTEXT | — | — | — | MySQL | — | — | — | — |
| FUNCTION | SQL-2023 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| FUSION | SQL-2023 | — | — | — | — | — | — | — |
| GE | — | — | — | — | — | — | — | Teradata |
| GENERAL | — | — | — | — | — | — | — | Teradata |
| GENERATED | — | DB2 | — | MySQL | — | — | — | Teradata |
| GET | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| GIVE | — | — | — | — | — | — | — | Teradata |
| GLOBAL | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| GO | — | DB2 | — | — | — | — | — | Teradata |
| GOTO | — | DB2 | — | — | — | — | SQL Server | Teradata |
| GRANT | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| GRAPHIC | — | — | — | — | — | — | — | Teradata |
| GREATEST | SQL-2023 | — | — | — | — | — | — | — |
| GROUP | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| GROUPING | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| GROUPS | SQL-2023 | — | — | MySQL | — | — | — | — |
| GT | — | — | — | — | — | — | — | Teradata |
| HANDLER | SQL/PSM-2016 | DB2 | Mimer | — | — | — | — | Teradata |
| HASH | — | — | — | — | — | — | — | Teradata |
| HASHAMP | — | — | — | — | — | — | — | Teradata |
| HASHBAKAMP | — | — | — | — | — | — | — | Teradata |
| HASHBUCKET | — | — | — | — | — | — | — | Teradata |
| HASHROW | — | — | — | — | — | — | — | Teradata |
| HAVING | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| HELP | — | — | — | — | — | — | — | Teradata |
| HIGH_PRIORITY | — | — | — | MySQL | — | — | — | — |
| HOLD | SQL-2023 | DB2 | Mimer | — | — | — | — | — |
| HOLDLOCK | — | — | — | — | — | — | SQL Server | — |
| HOST | — | — | — | — | — | — | — | Teradata |
| HOUR | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| HOURS | — | DB2 | — | — | — | — | — | — |
| HOUR_MICROSECOND | — | — | — | MySQL | — | — | — | — |
| HOUR_MINUTE | — | — | — | MySQL | — | — | — | — |
| HOUR_SECOND | — | — | — | MySQL | — | — | — | — |
| IDENTIFIED | — | — | — | — | Oracle | — | — | — |
| IDENTITY | SQL-2023 | — | Mimer | — | — | — | SQL Server | Teradata |
| IDENTITYCOL | — | — | — | — | — | — | SQL Server | — |
| IDENTITY_INSERT | — | — | — | — | — | — | SQL Server | — |
| IF | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| IGNORE | — | — | — | MySQL | — | — | — | Teradata |
| ILIKE | — | — | — | — | — | PostgreSQL | — | — |
| IMMEDIATE | — | DB2 | — | — | Oracle | — | — | Teradata |
| IN | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| INCLUSIVE | — | DB2 | — | — | — | — | — | — |
| INCONSISTENT | — | — | — | — | — | — | — | Teradata |
| INCREMENT | — | — | — | — | Oracle | — | — | — |
| INDEX | — | DB2 | — | MySQL | Oracle | — | SQL Server | Teradata |
| INDICATOR | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| INFILE | — | — | — | MySQL | — | — | — | — |
| INHERIT | — | DB2 | — | — | — | — | — | — |
| INITIAL | SQL-2023 | — | — | — | Oracle | — | — | — |
| INITIALIZE | — | — | — | — | — | — | — | Teradata |
| INITIALLY | — | — | — | — | — | PostgreSQL | — | Teradata |
| INITIATE | — | — | — | — | — | — | — | Teradata |
| INNER | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| INOUT | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| INPUT | — | — | — | — | — | — | — | Teradata |
| INS | — | — | — | — | — | — | — | Teradata |
| INSENSITIVE | SQL-2023 | DB2 | — | MySQL | — | — | — | — |
| INSERT | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| INSTEAD | — | — | — | — | — | — | — | Teradata |
| INT | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| INT1 | — | — | — | MySQL | — | — | — | — |
| INT2 | — | — | — | MySQL | — | — | — | — |
| INT3 | — | — | — | MySQL | — | — | — | — |
| INT4 | — | — | — | MySQL | — | — | — | — |
| INT8 | — | — | — | MySQL | — | — | — | — |
| INTEGER | SQL-2023 | — | — | MySQL | Oracle | — | — | Teradata |
| INTEGERDATE | — | — | — | — | — | — | — | Teradata |
| INTERSECT | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| INTERSECTION | SQL-2023 | — | — | — | — | — | — | — |
| INTERVAL | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| INTO | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| IO_AFTER_GTIDS | — | — | — | MySQL | — | — | — | — |
| IO_BEFORE_GTIDS | — | — | — | MySQL | — | — | — | — |
| IS | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ISNULL | — | — | — | — | — | PostgreSQL | — | — |
| ISOBID | — | DB2 | — | — | — | — | — | — |
| ISOLATION | — | — | — | — | — | — | — | Teradata |
| ITERATE | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| JAR | — | DB2 | — | — | — | — | — | — |
| JOIN | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| JOURNAL | — | — | — | — | — | — | — | Teradata |
| JSON | SQL-2023 | — | — | — | — | — | — | — |
| JSON_ARRAY | SQL-2023 | — | — | — | — | — | — | — |
| JSON_ARRAYAGG | SQL-2023 | — | — | — | — | — | — | — |
| JSON_EXISTS | SQL-2023 | — | — | — | — | — | — | — |
| JSON_OBJECT | SQL-2023 | — | — | — | — | — | — | — |
| JSON_OBJECTAGG | SQL-2023 | — | — | — | — | — | — | — |
| JSON_QUERY | SQL-2023 | — | — | — | — | — | — | — |
| JSON_SCALAR | SQL-2023 | — | — | — | — | — | — | — |
| JSON_SERIALIZE | SQL-2023 | — | — | — | — | — | — | — |
| JSON_TABLE | SQL-2023 | — | — | MySQL | — | — | — | — |
| JSON_TABLE_PRIMITIVE | SQL-2023 | — | — | — | — | — | — | — |
| JSON_VALUE | SQL-2023 | — | — | — | — | — | — | — |
| KEEP | — | DB2 | — | — | — | — | — | — |
| KEY | — | DB2 | — | MySQL | — | — | SQL Server | Teradata |
| KEYS | — | — | — | MySQL | — | — | — | — |
| KILL | — | — | — | MySQL | — | — | SQL Server | — |
| KURTOSIS | — | — | — | — | — | — | — | Teradata |
| LABEL | — | DB2 | — | — | — | — | — | — |
| LAG | SQL-2023 | — | — | MySQL | — | — | — | — |
| LANGUAGE | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| LARGE | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| LAST | — | DB2 | — | — | — | — | — | Teradata |
| LAST_VALUE | SQL-2023 | — | — | MySQL | — | — | — | — |
| LATERAL | SQL-2023 | — | — | MySQL | — | PostgreSQL | — | Teradata |
| LC_CTYPE | — | DB2 | — | — | — | — | — | — |
| LE | — | — | — | — | — | — | — | Teradata |
| LEAD | SQL-2023 | — | — | MySQL | — | — | — | — |
| LEADING | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| LEAST | SQL-2023 | — | — | — | — | — | — | — |
| LEAVE | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| LEFT | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| LESS | — | — | — | — | — | — | — | Teradata |
| LEVEL | — | — | — | — | Oracle | — | — | Teradata |
| LIKE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| LIKE_REGEX | SQL-2023 | — | — | — | — | — | — | — |
| LIMIT | — | DB2 | — | MySQL | — | PostgreSQL | — | Teradata |
| LINEAR | — | — | — | MySQL | — | — | — | — |
| LINENO | — | — | — | — | — | — | SQL Server | — |
| LINES | — | — | — | MySQL | — | — | — | — |
| LISTAGG | SQL-2023 | — | — | — | — | — | — | — |
| LN | SQL-2023 | — | — | — | — | — | — | Teradata |
| LOAD | — | — | — | MySQL | — | — | SQL Server | — |
| LOADING | — | — | — | — | — | — | — | Teradata |
| LOCAL | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| LOCALE | — | DB2 | — | — | — | — | — | — |
| LOCALTIME | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| LOCALTIMESTAMP | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| LOCATOR | — | DB2 | — | — | — | — | — | Teradata |
| LOCATORS | — | DB2 | — | — | — | — | — | — |
| LOCK | — | DB2 | — | MySQL | Oracle | — | — | Teradata |
| LOCKING | — | — | — | — | — | — | — | Teradata |
| LOCKMAX | — | DB2 | — | — | — | — | — | — |
| LOCKSIZE | — | DB2 | — | — | — | — | — | — |
| LOG | SQL-2023 | — | — | — | — | — | — | Teradata |
| LOG10 | SQL-2023 | — | — | — | — | — | — | — |
| LOGGING | — | — | — | — | — | — | — | Teradata |
| LOGON | — | — | — | — | — | — | — | Teradata |
| LONG | — | DB2 | — | MySQL | Oracle | — | — | Teradata |
| LONGBLOB | — | — | — | MySQL | — | — | — | — |
| LONGTEXT | — | — | — | MySQL | — | — | — | — |
| LOOP | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| LOWER | SQL-2023 | — | — | — | — | — | — | Teradata |
| LOW_PRIORITY | — | — | — | MySQL | — | — | — | — |
| LPAD | SQL-2023 | — | — | — | — | — | — | — |
| LT | — | — | — | — | — | — | — | Teradata |
| LTRIM | SQL-2023 | — | — | — | — | — | — | — |
| MACRO | — | — | — | — | — | — | — | Teradata |
| MAINTAINED | — | DB2 | — | — | — | — | — | — |
| MAP | — | — | — | — | — | — | — | Teradata |
| MASTER_BIND | — | — | — | MySQL | — | — | — | — |
| MASTER_SSL_VERIFY_SERVER_CERT | — | — | — | MySQL | — | — | — | — |
| MATCH | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| MATCHES | SQL-2023 | — | — | — | — | — | — | — |
| MATCH_NUMBER | SQL-2023 | — | — | — | — | — | — | — |
| MATCH_RECOGNIZE | SQL-2023 | — | — | — | — | — | — | — |
| MATERIALIZED | — | DB2 | — | — | — | — | — | — |
| MAVG | — | — | — | — | — | — | — | Teradata |
| MAX | SQL-2023 | — | — | — | — | — | — | Teradata |
| MAXEXTENTS | — | — | — | — | Oracle | — | — | — |
| MAXIMUM | — | — | — | — | — | — | — | Teradata |
| MAXVALUE | — | — | — | MySQL | — | — | — | — |
| MCHARACTERS | — | — | — | — | — | — | — | Teradata |
| MDIFF | — | — | — | — | — | — | — | Teradata |
| MEDIUMBLOB | — | — | — | MySQL | — | — | — | — |
| MEDIUMINT | — | — | — | MySQL | — | — | — | — |
| MEDIUMTEXT | — | — | — | MySQL | — | — | — | — |
| MEMBER | SQL-2023 | — | Mimer | — | — | — | — | — |
| MERGE | SQL-2023 | — | — | — | — | — | SQL Server | Teradata |
| METHOD | SQL-2023 | — | Mimer | — | — | — | — | — |
| MICROSECOND | — | DB2 | — | — | — | — | — | — |
| MICROSECONDS | — | DB2 | — | — | — | — | — | — |
| MIDDLEINT | — | — | — | MySQL | — | — | — | — |
| MIN | SQL-2023 | — | — | — | — | — | — | Teradata |
| MINDEX | — | — | — | — | — | — | — | Teradata |
| MINIMUM | — | — | — | — | — | — | — | Teradata |
| MINUS | — | — | — | — | Oracle | — | — | Teradata |
| MINUTE | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| MINUTES | — | DB2 | — | — | — | — | — | — |
| MINUTE_MICROSECOND | — | — | — | MySQL | — | — | — | — |
| MINUTE_SECOND | — | — | — | MySQL | — | — | — | — |
| MLINREG | — | — | — | — | — | — | — | Teradata |
| MLOAD | — | — | — | — | — | — | — | Teradata |
| MLSLABEL | — | — | — | — | Oracle | — | — | — |
| MOD | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| MODE | — | — | — | — | Oracle | — | — | Teradata |
| MODIFIES | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| MODIFY | — | — | — | — | Oracle | — | — | Teradata |
| MODULE | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| MONITOR | — | — | — | — | — | — | — | Teradata |
| MONRESOURCE | — | — | — | — | — | — | — | Teradata |
| MONSESSION | — | — | — | — | — | — | — | Teradata |
| MONTH | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| MONTHS | — | DB2 | — | — | — | — | — | — |
| MSUBSTR | — | — | — | — | — | — | — | Teradata |
| MSUM | — | — | — | — | — | — | — | Teradata |
| MULTISET | SQL-2023 | — | — | — | — | — | — | Teradata |
| NAMED | — | — | — | — | — | — | — | Teradata |
| NAMES | — | — | — | — | — | — | — | Teradata |
| NATIONAL | SQL-2023 | — | Mimer | — | — | — | SQL Server | Teradata |
| NATURAL | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| NCHAR | SQL-2023 | — | — | — | — | — | — | Teradata |
| NCLOB | SQL-2023 | — | — | — | — | — | — | Teradata |
| NE | — | — | — | — | — | — | — | Teradata |
| NESTED_TABLE_ID | — | — | — | — | Oracle | — | — | — |
| NEW | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| NEW_TABLE | — | — | — | — | — | — | — | Teradata |
| NEXT | — | DB2 | Mimer | — | — | — | — | Teradata |
| NEXTVAL | — | DB2 | — | — | — | — | — | — |
| NO | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| NOAUDIT | — | — | — | — | Oracle | — | — | — |
| NOCHECK | — | — | — | — | — | — | SQL Server | — |
| NOCOMPRESS | — | — | — | — | Oracle | — | — | — |
| NONCLUSTERED | — | — | — | — | — | — | SQL Server | — |
| NONE | SQL-2023 | DB2 | — | — | — | — | — | Teradata |
| NORMALIZE | SQL-2023 | — | — | — | — | — | — | — |
| NOT | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| NOTNULL | — | — | — | — | — | PostgreSQL | — | — |
| NOWAIT | — | — | — | — | Oracle | — | — | Teradata |
| NO_WRITE_TO_BINLOG | — | — | — | MySQL | — | — | — | — |
| NTH_VALUE | SQL-2023 | — | — | MySQL | — | — | — | — |
| NTILE | SQL-2023 | — | — | MySQL | — | — | — | — |
| NULL | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| NULLIF | SQL-2023 | — | — | — | — | — | SQL Server | Teradata |
| NULLIFZERO | — | — | — | — | — | — | — | Teradata |
| NULLS | — | DB2 | — | — | — | — | — | — |
| NUMBER | — | — | — | — | Oracle | — | — | — |
| NUMERIC | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| NUMPARTS | — | DB2 | — | — | — | — | — | — |
| OBID | — | DB2 | — | — | — | — | — | — |
| OBJECT | — | — | — | — | — | — | — | Teradata |
| OBJECTS | — | — | — | — | — | — | — | Teradata |
| OCCURRENCES_REGEX | SQL-2023 | — | — | — | — | — | — | — |
| OCTET_LENGTH | SQL-2023 | — | — | — | — | — | — | Teradata |
| OF | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| OFF | — | — | — | — | — | — | SQL Server | Teradata |
| OFFLINE | — | — | — | — | Oracle | — | — | — |
| OFFSET | SQL-2023 | DB2 | Mimer | — | — | PostgreSQL | — | — |
| OFFSETS | — | — | — | — | — | — | SQL Server | — |
| OLD | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| OLD_TABLE | — | — | — | — | — | — | — | Teradata |
| OMIT | SQL-2023 | — | — | — | — | — | — | — |
| ON | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ONE | SQL-2023 | — | — | — | — | — | — | — |
| ONLINE | — | — | — | — | Oracle | — | — | — |
| ONLY | SQL-2023 | — | — | — | — | PostgreSQL | — | Teradata |
| OPEN | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| OPENDATASOURCE | — | — | — | — | — | — | SQL Server | — |
| OPENQUERY | — | — | — | — | — | — | SQL Server | — |
| OPENROWSET | — | — | — | — | — | — | SQL Server | — |
| OPENXML | — | — | — | — | — | — | SQL Server | — |
| OPERATION | — | — | — | — | — | — | — | Teradata |
| OPTIMIZATION | — | DB2 | — | — | — | — | — | — |
| OPTIMIZE | — | DB2 | — | MySQL | — | — | — | — |
| OPTIMIZER_COSTS | — | — | — | MySQL | — | — | — | — |
| OPTION | — | — | — | MySQL | Oracle | — | SQL Server | Teradata |
| OPTIONALLY | — | — | — | MySQL | — | — | — | — |
| OR | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ORDER | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| ORDINALITY | — | — | — | — | — | — | — | Teradata |
| ORGANIZATION | — | DB2 | — | — | — | — | — | — |
| OUT | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| OUTER | SQL-2023 | DB2 | — | MySQL | — | PostgreSQL | SQL Server | Teradata |
| OUTFILE | — | — | — | MySQL | — | — | — | — |
| OUTPUT | — | — | — | — | — | — | — | Teradata |
| OVER | SQL-2023 | — | — | MySQL | — | — | SQL Server | Teradata |
| OVERLAPS | SQL-2023 | — | Mimer | — | — | PostgreSQL | — | Teradata |
| OVERLAY | SQL-2023 | — | — | — | — | — | — | — |
| OVERRIDE | — | — | — | — | — | — | — | Teradata |
| PACKAGE | — | DB2 | — | — | — | — | — | — |
| PAD | — | — | — | — | — | — | — | Teradata |
| PADDED | — | DB2 | — | — | — | — | — | — |
| PARAMETER | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| PARAMETERS | — | — | — | — | — | — | — | Teradata |
| PART | — | DB2 | — | — | — | — | — | — |
| PARTIAL | — | — | — | — | — | — | — | Teradata |
| PARTITION | SQL-2023 | DB2 | — | MySQL | — | — | — | — |
| PARTITIONED | — | DB2 | — | — | — | — | — | — |
| PARTITIONING | — | DB2 | — | — | — | — | — | — |
| PASSWORD | — | — | — | — | — | — | — | Teradata |
| PATH | — | DB2 | — | — | — | — | — | Teradata |
| PATTERN | SQL-2023 | — | — | — | — | — | — | — |
| PCTFREE | — | — | — | — | Oracle | — | — | — |
| PER | SQL-2023 | — | — | — | — | — | — | — |
| PERCENT | SQL-2023 | — | — | — | — | — | SQL Server | Teradata |
| PERCENTILE_CONT | SQL-2023 | — | — | — | — | — | — | — |
| PERCENTILE_DISC | SQL-2023 | — | — | — | — | — | — | — |
| PERCENT_RANK | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| PERIOD | SQL-2023 | DB2 | — | — | — | — | — | — |
| PERM | — | — | — | — | — | — | — | Teradata |
| PERMANENT | — | — | — | — | — | — | — | Teradata |
| PIECESIZE | — | DB2 | — | — | — | — | — | — |
| PIVOT | — | — | — | — | — | — | SQL Server | — |
| PLACING | — | — | — | — | — | PostgreSQL | — | — |
| PLAN | — | DB2 | — | — | — | — | SQL Server | — |
| PORTION | SQL-2023 | — | — | — | — | — | — | — |
| POSITION | SQL-2023 | — | — | — | — | — | — | Teradata |
| POSITION_REGEX | SQL-2023 | — | — | — | — | — | — | — |
| POSTFIX | — | — | — | — | — | — | — | Teradata |
| POWER | SQL-2023 | — | — | — | — | — | — | — |
| PRECEDES | SQL-2023 | — | — | — | — | — | — | — |
| PRECISION | SQL-2023 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| PREFIX | — | — | — | — | — | — | — | Teradata |
| PREORDER | — | — | — | — | — | — | — | Teradata |
| PREPARE | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| PRESERVE | — | — | — | — | — | — | — | Teradata |
| PREVVAL | — | DB2 | — | — | — | — | — | — |
| PRIMARY | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| — | — | — | — | — | — | SQL Server | — | |
| PRIOR | — | DB2 | — | — | Oracle | — | — | Teradata |
| PRIQTY | — | DB2 | — | — | — | — | — | — |
| PRIVATE | — | — | — | — | — | — | — | Teradata |
| PRIVILEGES | — | DB2 | — | — | — | — | — | Teradata |
| PROC | — | — | — | — | — | — | SQL Server | — |
| PROCEDURE | SQL-2023 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| PROFILE | — | — | — | — | — | — | — | Teradata |
| PROGRAM | — | DB2 | — | — | — | — | — | — |
| PROPORTIONAL | — | — | — | — | — | — | — | Teradata |
| PROTECTION | — | — | — | — | — | — | — | Teradata |
| PSID | — | DB2 | — | — | — | — | — | — |
| PTF | SQL-2023 | — | — | — | — | — | — | — |
| PUBLIC | — | DB2 | — | — | Oracle | — | SQL Server | Teradata |
| PURGE | — | — | — | MySQL | — | — | — | — |
| QUALIFIED | — | — | — | — | — | — | — | Teradata |
| QUALIFY | — | — | — | — | — | — | — | Teradata |
| QUANTILE | — | — | — | — | — | — | — | Teradata |
| QUERY | — | DB2 | — | — | — | — | — | — |
| QUERYNO | — | DB2 | — | — | — | — | — | — |
| RADIANS | — | — | — | — | — | — | — | Teradata |
| RAISERROR | — | — | — | — | — | — | SQL Server | — |
| RANDOM | — | — | — | — | — | — | — | Teradata |
| RANGE | SQL-2023 | — | — | MySQL | — | — | — | — |
| RANGE_N | — | — | — | — | — | — | — | Teradata |
| RANK | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| RAW | — | — | — | — | Oracle | — | — | — |
| READ | — | — | — | MySQL | — | — | SQL Server | Teradata |
| READS | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| READTEXT | — | — | — | — | — | — | SQL Server | — |
| READ_WRITE | — | — | — | MySQL | — | — | — | — |
| REAL | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| RECONFIGURE | — | — | — | — | — | — | SQL Server | — |
| RECURSIVE | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| REF | SQL-2023 | — | — | — | — | — | — | Teradata |
| REFERENCES | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| REFERENCING | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| REFRESH | — | DB2 | — | — | — | — | — | — |
| REGEXP | — | — | — | MySQL | — | — | — | — |
| REGR_AVGX | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_AVGY | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_COUNT | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_INTERCEPT | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_R2 | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_SLOPE | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_SXX | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_SXY | SQL-2023 | — | — | — | — | — | — | Teradata |
| REGR_SYY | SQL-2023 | — | — | — | — | — | — | Teradata |
| RELATIVE | — | — | — | — | — | — | — | Teradata |
| RELEASE | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| RENAME | — | DB2 | — | MySQL | Oracle | — | — | Teradata |
| REPEAT | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| REPLACE | — | — | — | MySQL | — | — | — | Teradata |
| REPLICATION | — | — | — | — | — | — | SQL Server | Teradata |
| REPOVERRIDE | — | — | — | — | — | — | — | Teradata |
| REQUEST | — | — | — | — | — | — | — | Teradata |
| REQUIRE | — | — | — | MySQL | — | — | — | — |
| RESIGNAL | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | — | — |
| RESOURCE | — | — | — | — | Oracle | — | — | — |
| RESTART | — | — | — | — | — | — | — | Teradata |
| RESTORE | — | — | — | — | — | — | SQL Server | Teradata |
| RESTRICT | — | DB2 | — | MySQL | — | — | SQL Server | Teradata |
| RESULT | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| RESULT_SET_LOCATOR | — | DB2 | — | — | — | — | — | — |
| RESUME | — | — | — | — | — | — | — | Teradata |
| RET | — | — | — | — | — | — | — | Teradata |
| RETRIEVE | — | — | — | — | — | — | — | Teradata |
| RETURN | SQL-2023 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| RETURNING | — | — | — | — | — | PostgreSQL | — | — |
| RETURNS | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| REVALIDATE | — | — | — | — | — | — | — | Teradata |
| REVERT | — | — | — | — | — | — | SQL Server | — |
| REVOKE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| RIGHT | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| RIGHTS | — | — | — | — | — | — | — | Teradata |
| RLIKE | — | — | — | MySQL | — | — | — | — |
| ROLE | — | DB2 | — | — | — | — | — | Teradata |
| ROLLBACK | SQL-2023 | DB2 | Mimer | — | — | — | SQL Server | Teradata |
| ROLLFORWARD | — | — | — | — | — | — | — | Teradata |
| ROLLUP | SQL-2023 | DB2 | — | — | — | — | — | Teradata |
| ROUND_CEILING | — | DB2 | — | — | — | — | — | — |
| ROUND_DOWN | — | DB2 | — | — | — | — | — | — |
| ROUND_FLOOR | — | DB2 | — | — | — | — | — | — |
| ROUND_HALF_DOWN | — | DB2 | — | — | — | — | — | — |
| ROUND_HALF_EVEN | — | DB2 | — | — | — | — | — | — |
| ROUND_HALF_UP | — | DB2 | — | — | — | — | — | — |
| ROUND_UP | — | DB2 | — | — | — | — | — | — |
| ROUTINE | — | — | — | — | — | — | — | Teradata |
| ROW | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | — | Teradata |
| ROWCOUNT | — | — | — | — | — | — | SQL Server | — |
| ROWGUIDCOL | — | — | — | — | — | — | SQL Server | — |
| ROWID | — | — | — | — | Oracle | — | — | Teradata |
| ROWNUM | — | — | — | — | Oracle | — | — | — |
| ROWS | SQL-2023 | — | Mimer | MySQL | Oracle | — | — | Teradata |
| ROWSET | — | DB2 | — | — | — | — | — | — |
| ROW_NUMBER | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| RPAD | SQL-2023 | — | — | — | — | — | — | — |
| RULE | — | — | — | — | — | — | SQL Server | — |
| RUN | — | DB2 | — | — | — | — | — | — |
| RUNNING | SQL-2023 | — | — | — | — | — | — | — |
| SAMPLE | — | — | — | — | — | — | — | Teradata |
| SAMPLEID | — | — | — | — | — | — | — | Teradata |
| SAVE | — | — | — | — | — | — | SQL Server | — |
| SAVEPOINT | SQL-2023 | DB2 | — | — | — | — | — | Teradata |
| SCHEMA | — | DB2 | — | MySQL | — | — | SQL Server | Teradata |
| SCHEMAS | — | — | — | MySQL | — | — | — | — |
| SCOPE | SQL-2023 | — | — | — | — | — | — | Teradata |
| SCRATCHPAD | — | DB2 | — | — | — | — | — | — |
| SCROLL | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| SEARCH | SQL-2023 | — | — | — | — | — | — | Teradata |
| SECOND | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| SECONDS | — | DB2 | — | — | — | — | — | — |
| SECOND_MICROSECOND | — | — | — | MySQL | — | — | — | — |
| SECQTY | — | DB2 | — | — | — | — | — | — |
| SECTION | — | — | — | — | — | — | — | Teradata |
| SECURITY | — | DB2 | — | — | — | — | — | — |
| SECURITYAUDIT | — | — | — | — | — | — | SQL Server | — |
| SEEK | SQL-2023 | — | — | — | — | — | — | — |
| SEL | — | — | — | — | — | — | — | Teradata |
| SELECT | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| SEMANTICKEYPHRASETABLE | — | — | — | — | — | — | SQL Server | — |
| SEMANTICSIMILARITYDETAILSTABLE | — | — | — | — | — | — | SQL Server | — |
| SEMANTICSIMILARITYTABLE | — | — | — | — | — | — | SQL Server | — |
| SENSITIVE | SQL-2023 | DB2 | — | MySQL | — | — | — | — |
| SEPARATOR | — | — | — | MySQL | — | — | — | — |
| SEQUENCE | — | DB2 | — | — | — | — | — | Teradata |
| SESSION | — | — | — | — | Oracle | — | — | Teradata |
| SESSION_USER | SQL-2023 | DB2 | Mimer | — | — | PostgreSQL | SQL Server | Teradata |
| SET | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| SETRESRATE | — | — | — | — | — | — | — | Teradata |
| SETS | — | — | — | — | — | — | — | Teradata |
| SETSESSRATE | — | — | — | — | — | — | — | Teradata |
| SETUSER | — | — | — | — | — | — | SQL Server | — |
| SHARE | — | — | — | — | Oracle | — | — | — |
| SHOW | SQL-2023 | — | — | MySQL | — | — | — | Teradata |
| SHUTDOWN | — | — | — | — | — | — | SQL Server | — |
| SIGNAL | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | — | — |
| SIMILAR | SQL-2023 | — | — | — | — | PostgreSQL | — | — |
| SIMPLE | — | DB2 | — | — | — | — | — | — |
| SIN | SQL-2023 | — | — | — | — | — | — | Teradata |
| SINH | SQL-2023 | — | — | — | — | — | — | Teradata |
| SIZE | — | — | — | — | Oracle | — | — | Teradata |
| SKEW | — | — | — | — | — | — | — | Teradata |
| SKIP | SQL-2023 | — | — | — | — | — | — | — |
| SMALLINT | SQL-2023 | — | — | MySQL | Oracle | — | — | Teradata |
| SOME | SQL-2023 | DB2 | Mimer | — | — | PostgreSQL | SQL Server | Teradata |
| SOUNDEX | — | — | — | — | — | — | — | Teradata |
| SOURCE | — | DB2 | — | — | — | — | — | — |
| SPACE | — | — | — | — | — | — | — | Teradata |
| SPATIAL | — | — | — | MySQL | — | — | — | — |
| SPECIFIC | SQL-2023 | DB2 | Mimer | MySQL | — | — | — | Teradata |
| SPECIFICTYPE | SQL-2023 | — | — | — | — | — | — | Teradata |
| SPOOL | — | — | — | — | — | — | — | Teradata |
| SQL | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| SQLEXCEPTION | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| SQLSTATE | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| SQLTEXT | — | — | — | — | — | — | — | Teradata |
| SQLWARNING | SQL-2023 | — | Mimer | MySQL | — | — | — | Teradata |
| SQL_BIG_RESULT | — | — | — | MySQL | — | — | — | — |
| SQL_CALC_FOUND_ROWS | — | — | — | MySQL | — | — | — | — |
| SQL_SMALL_RESULT | — | — | — | MySQL | — | — | — | — |
| SQRT | SQL-2023 | — | — | — | — | — | — | Teradata |
| SS | — | — | — | — | — | — | — | Teradata |
| SSL | — | — | — | MySQL | — | — | — | — |
| STANDARD | — | DB2 | — | — | — | — | — | — |
| START | SQL-2023 | — | Mimer | — | Oracle | — | — | Teradata |
| STARTING | — | — | — | MySQL | — | — | — | — |
| STARTUP | — | — | — | — | — | — | — | Teradata |
| STATE | — | — | — | — | — | — | — | Teradata |
| STATEMENT | — | DB2 | — | — | — | — | — | Teradata |
| STATIC | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| STATISTICS | — | — | — | — | — | — | SQL Server | Teradata |
| STAY | — | DB2 | — | — | — | — | — | — |
| STDDEV_POP | SQL-2023 | — | — | — | — | — | — | Teradata |
| STDDEV_SAMP | SQL-2023 | — | — | — | — | — | — | Teradata |
| STEPINFO | — | — | — | — | — | — | — | Teradata |
| STOGROUP | — | DB2 | — | — | — | — | — | — |
| STORED | — | — | — | MySQL | — | — | — | — |
| STORES | — | DB2 | — | — | — | — | — | — |
| STRAIGHT_JOIN | — | — | — | MySQL | — | — | — | — |
| STRING_CS | — | — | — | — | — | — | — | Teradata |
| STRUCTURE | — | — | — | — | — | — | — | Teradata |
| STYLE | — | DB2 | — | — | — | — | — | — |
| SUBMULTISET | SQL-2023 | — | — | — | — | — | — | — |
| SUBSCRIBER | — | — | — | — | — | — | — | Teradata |
| SUBSET | SQL-2023 | — | — | — | — | — | — | — |
| SUBSTR | — | — | — | — | — | — | — | Teradata |
| SUBSTRING | SQL-2023 | — | — | — | — | — | — | Teradata |
| SUBSTRING_REGEX | SQL-2023 | — | — | — | — | — | — | — |
| SUCCEEDS | SQL-2023 | — | — | — | — | — | — | — |
| SUCCESSFUL | — | — | — | — | Oracle | — | — | — |
| SUM | SQL-2023 | — | — | — | — | — | — | Teradata |
| SUMMARY | — | DB2 | — | — | — | — | — | Teradata |
| SUSPEND | — | — | — | — | — | — | — | Teradata |
| SYMMETRIC | SQL-2023 | — | Mimer | — | — | PostgreSQL | — | — |
| SYNONYM | — | DB2 | — | — | Oracle | — | — | — |
| SYSDATE | — | DB2 | — | — | Oracle | — | — | — |
| SYSTEM | SQL-2023 | DB2 | — | MySQL | — | — | — | — |
| SYSTEM_TIME | SQL-2023 | — | — | — | — | — | — | — |
| SYSTEM_USER | SQL-2023 | — | Mimer | — | — | PostgreSQL | SQL Server | Teradata |
| SYSTIMESTAMP | — | DB2 | — | — | — | — | — | — |
| TABLE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| TABLESAMPLE | SQL-2023 | — | — | — | — | PostgreSQL | SQL Server | — |
| TABLESPACE | — | DB2 | — | — | — | — | — | — |
| TAN | SQL-2023 | — | — | — | — | — | — | Teradata |
| TANH | SQL-2023 | — | — | — | — | — | — | Teradata |
| TBL_CS | — | — | — | — | — | — | — | Teradata |
| TEMPORARY | — | — | — | — | — | — | — | Teradata |
| TERMINATE | — | — | — | — | — | — | — | Teradata |
| TERMINATED | — | — | — | MySQL | — | — | — | — |
| TEXTSIZE | — | — | — | — | — | — | SQL Server | — |
| THAN | — | — | — | — | — | — | — | Teradata |
| THEN | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| THRESHOLD | — | — | — | — | — | — | — | Teradata |
| TIME | SQL-2023 | — | — | — | — | — | — | Teradata |
| TIMESTAMP | SQL-2023 | — | — | — | — | — | — | Teradata |
| TIMEZONE_HOUR | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| TIMEZONE_MINUTE | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| TINYBLOB | — | — | — | MySQL | — | — | — | — |
| TINYINT | — | — | — | MySQL | — | — | — | — |
| TINYTEXT | — | — | — | MySQL | — | — | — | — |
| TITLE | — | — | — | — | — | — | — | Teradata |
| TO | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| TOP | — | — | — | — | — | — | SQL Server | — |
| TRACE | — | — | — | — | — | — | — | Teradata |
| TRAILING | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| TRAN | — | — | — | — | — | — | SQL Server | — |
| TRANSACTION | — | — | — | — | — | — | SQL Server | Teradata |
| TRANSLATE | SQL-2023 | — | — | — | — | — | — | Teradata |
| TRANSLATE_CHK | — | — | — | — | — | — | — | Teradata |
| TRANSLATE_REGEX | SQL-2023 | — | — | — | — | — | — | — |
| TRANSLATION | SQL-2023 | — | — | — | — | — | — | Teradata |
| TREAT | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| TRIGGER | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| TRIM | SQL-2023 | — | — | — | — | — | — | Teradata |
| TRIM_ARRAY | SQL-2023 | — | — | — | — | — | — | — |
| TRUE | SQL-2023 | — | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| TRUNCATE | SQL-2023 | DB2 | — | — | — | — | SQL Server | — |
| TRY_CONVERT | — | — | — | — | — | — | SQL Server | — |
| TSEQUAL | — | — | — | — | — | — | SQL Server | — |
| TYPE | — | DB2 | — | — | — | — | — | Teradata |
| UC | — | — | — | — | — | — | — | Teradata |
| UESCAPE | SQL-2023 | — | — | — | — | — | — | — |
| UID | — | — | — | — | Oracle | — | — | — |
| UNDEFINED | — | — | — | — | — | — | — | Teradata |
| UNDER | — | — | — | — | — | — | — | Teradata |
| UNDO | — | DB2 | — | MySQL | — | — | — | Teradata |
| UNION | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| UNIQUE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| UNKNOWN | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| UNLOCK | — | — | — | MySQL | — | — | — | — |
| UNNEST | SQL-2023 | — | — | — | — | — | — | Teradata |
| UNPIVOT | — | — | — | — | — | — | SQL Server | — |
| UNSIGNED | — | — | — | MySQL | — | — | — | — |
| UNTIL | SQL/PSM-2016 | DB2 | Mimer | — | — | — | — | Teradata |
| UPD | — | — | — | — | — | — | — | Teradata |
| UPDATE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| UPDATETEXT | — | — | — | — | — | — | SQL Server | — |
| UPPER | SQL-2023 | — | — | — | — | — | — | Teradata |
| UPPERCASE | — | — | — | — | — | — | — | Teradata |
| USAGE | — | — | — | MySQL | — | — | — | Teradata |
| USE | — | — | — | MySQL | — | — | SQL Server | — |
| USER | SQL-2023 | DB2 | Mimer | — | Oracle | PostgreSQL | SQL Server | Teradata |
| USING | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | — | Teradata |
| UTC_DATE | — | — | — | MySQL | — | — | — | — |
| UTC_TIME | — | — | — | MySQL | — | — | — | — |
| UTC_TIMESTAMP | — | — | — | MySQL | — | — | — | — |
| VALIDATE | — | — | — | — | Oracle | — | — | — |
| VALIDPROC | — | DB2 | — | — | — | — | — | — |
| VALUE | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| VALUES | SQL-2023 | DB2 | Mimer | MySQL | Oracle | — | SQL Server | Teradata |
| VALUE_OF | SQL-2023 | — | — | — | — | — | — | — |
| VARBINARY | SQL-2023 | — | — | MySQL | — | — | — | — |
| VARBYTE | — | — | — | — | — | — | — | Teradata |
| VARCHAR | SQL-2023 | — | — | MySQL | Oracle | — | — | Teradata |
| VARCHAR2 | — | — | — | — | Oracle | — | — | — |
| VARCHARACTER | — | — | — | MySQL | — | — | — | — |
| VARGRAPHIC | — | — | — | — | — | — | — | Teradata |
| VARIABLE | — | DB2 | — | — | — | — | — | Teradata |
| VARIADIC | — | — | — | — | — | PostgreSQL | — | — |
| VARIANT | — | DB2 | — | — | — | — | — | — |
| VARYING | SQL-2023 | — | Mimer | MySQL | — | — | SQL Server | Teradata |
| VAR_POP | SQL-2023 | — | — | — | — | — | — | Teradata |
| VAR_SAMP | SQL-2023 | — | — | — | — | — | — | Teradata |
| VCAT | — | DB2 | — | — | — | — | — | — |
| VERBOSE | — | — | — | — | — | PostgreSQL | — | — |
| VERSIONING | SQL-2023 | DB2 | — | — | — | — | — | — |
| VIEW | — | DB2 | — | — | Oracle | — | SQL Server | Teradata |
| VIRTUAL | — | — | — | MySQL | — | — | — | — |
| VOLATILE | — | DB2 | — | — | — | — | — | Teradata |
| VOLUMES | — | DB2 | — | — | — | — | — | — |
| WAIT | — | — | — | — | — | — | — | Teradata |
| WAITFOR | — | — | — | — | — | — | SQL Server | — |
| WHEN | SQL-2023 | DB2 | Mimer | MySQL | — | PostgreSQL | SQL Server | Teradata |
| WHENEVER | SQL-2023 | DB2 | — | — | Oracle | — | — | Teradata |
| WHERE | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| WHILE | SQL/PSM-2016 | DB2 | Mimer | MySQL | — | — | SQL Server | Teradata |
| WIDTH_BUCKET | SQL-2023 | — | — | — | — | — | — | Teradata |
| WINDOW | SQL-2023 | — | — | MySQL | — | PostgreSQL | — | — |
| WITH | SQL-2023 | DB2 | Mimer | MySQL | Oracle | PostgreSQL | SQL Server | Teradata |
| WITHIN | SQL-2023 | — | — | — | — | — | — | — |
| WITHIN_GROUP | — | — | — | — | — | — | SQL Server | — |
| WITHOUT | SQL-2023 | — | Mimer | — | — | — | — | Teradata |
| WLM | — | DB2 | — | — | — | — | — | — |
| WORK | — | — | — | — | — | — | — | Teradata |
| WRITE | — | — | — | MySQL | — | — | — | Teradata |
| WRITETEXT | — | — | — | — | — | — | SQL Server | — |
| XMLCAST | — | DB2 | — | — | — | — | — | — |
| XMLEXISTS | — | DB2 | — | — | — | — | — | — |
| XMLNAMESPACES | — | DB2 | — | — | — | — | — | — |
| XOR | — | — | — | MySQL | — | — | — | — |
| YEAR | SQL-2023 | DB2 | Mimer | — | — | — | — | Teradata |
| YEARS | — | DB2 | — | — | — | — | — | — |
| YEAR_MONTH | — | — | — | MySQL | — | — | — | — |
| ZEROFILL | — | — | — | MySQL | — | — | — | — |
| ZEROIFNULL | — | — | — | — | — | — | — | Teradata |
| ZONE | — | DB2 | — | — | — | — | — | Teradata |
A dash (-) means that the keyword is not reserved.
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See also
External links
- Page listing all reserved words in the SQL standard, from SQL-92 to SQL:2016: Standard SQL Reserved Words Summary.
References
"Appendix C. SQL Key Words". PostgreSQL documentation. The PostgreSQL Global Development Group. Retrieved 16 April 2025. https://www.postgresql.org/docs/17/sql-keywords-appendix.html ↩
"Reserved Keywords (Transact-SQL)". Microsoft Docs – SQL Server. Microsoft. Retrieved 23 December 2020. https://docs.microsoft.com/en-us/sql/t-sql/language-elements/reserved-keywords-transact-sql?view=sql-server-ver16 ↩
ISO/IEC 9075-2:2023 Information technology — Database languages — SQL — Part 2: Foundation (SQL/Foundation) (6th ed.). International Organization for Standardization. June 2023. Retrieved 5 June 2023. https://www.iso.org/standard/76584.html ↩
"Reserved words". IBM Knowledge Center. IBM. 11 January 2023. Retrieved 8 June 2023. https://www.ibm.com/docs/en/db2-for-zos/13?topic=words-reserved ↩
"Reserved Words". Mimer SQL Manuals. Mimer AB. Retrieved 23 December 2020. https://docs.mimer.com/MimerSqlManual/v110/html/Manuals/App_reserved_words/App_reserved_words.htm ↩
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