This is a comparison between notable database engines for the MySQL database management system (DBMS). A database engine (or "storage engine") is the underlying software component that a DBMS uses to create, read, update and delete (CRUD) data from a database.
| Name | Vendor | License | Transactional | Under active development | MySQL versions | MariaDB versions |
|---|---|---|---|---|---|---|
| Archive | Oracle | GPL | No | Yes | 5.0 – present | 5.1 – present |
| Aria | MariaDB | GPL | No | Yes | — | 5.1 – present |
| Berkeley DB | Oracle | AGPLv3 | Yes | No | ? - 5.0 | — |
| BLACKHOLE | Oracle | GPL | No | Yes | 5.0 – present | 5.1 – present |
| CONNECT | MariaDB | GPL | No | Yes | — | 10.0 – present |
| CSV | Oracle | GPL | No | Yes | 5.0 – present | 5.1 – present |
| Falcon | Oracle | GPL | Yes | No | ? | — |
| Federated | Oracle | GPL | ? | No | 5.0 – present | ? |
| FederatedX | MariaDB | GPL | Yes | No | — | ? – present |
| ColumnStore (formerly InfiniDB) | Calpont | GPL | Yes | Yes | — | 10.5.4 – present |
| InnoDB | Oracle | GPL | Yes | Yes | 3.23 – present | 5.1 – present |
| MEMORY | Oracle | GPL | No | Yes | 3.23 – present | 5.1 – present |
| Mroonga | Groonga Project | GPL | No | Yes | — | 10.0 – present |
| MyISAM | Oracle | GPL | No | No | 3.23 – present | 5.1 – present |
| MyRocks | GPLv2 | Yes | Yes | — | 10.2 – present | |
| NDB | Oracle | GPLv2 | Yes | Yes | ? | — |
| OQGRAPH | Oracle | GPLv2 | No | No | — | 5.2 – present |
| S3 | MariaDB | GPL | No | Yes | — | 10.5 – present |
| SEQUENCE | MariaDB | GPL | No | Yes | — | 10.0 – present |
| Sphinx | Sphinx Technologies Inc. | GPL | No | No | — | 5.2 – present |
| SPIDER | Kentoku Shiba | GPL | Yes | Yes | — | 10.0 – present |
| TempTable | Oracle | GPL | No | Yes | 8.0 – present | — |
| TokuDB | Percona | Modified GPL | Yes | No | — | 5.5 – 10.6 |
| XtraDB | Percona | GPL | Yes | Yes | — | 5.1 – 10.1 |
External links
- MySQL Documentation on MyISAM Storage Engine
- MyISAM's open files limit and table-cache problem explained
- The article about problems which will occur in using MyISAM
References
"Storage Engines". MariaDB KnowledgeBase. Retrieved 2024-01-25. https://mariadb.com/kb/en/storage-engines/ ↩
"InnoDB Versions". MariaDB KnowledgeBase. Retrieved 2024-01-25. https://mariadb.com/kb/en/innodb-versions/ ↩
"TokuDB". MariaDB KnowledgeBase. Retrieved 2024-01-25. https://mariadb.com/kb/en/tokudb/ ↩
"InnoDB Versions". MariaDB KnowledgeBase. Retrieved 2024-01-25. https://mariadb.com/kb/en/innodb-versions/ ↩