MyISAM

MyISAM is based on the older (and no longer available) ISAM storage engine but has many useful extensions.


ISAM storage
256TB
Transactions No
Locking granularity Table
MVCC No
Geospatial data type support Yes
Geospatial indexing support Yes
B-tree indexes Yes
T-tree indexes No
Hash indexes No
Full-text search indexes Yes
Clustered indexes No
Data caches No
Index caches Yes
Compressed data Yes
Encrypted data Yes
Cluster database support No
Replication support Yes
Foreign key support No
Backup/ Point-in-time recovery Yes
Query cache support Yes
Update statistics for data dictionary Yes