MySQL · question
Question 2 of 35
What are the different storage engines in MySQL?
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MySQL supports multiple storage engines, each optimized for different use cases:
- InnoDB (Default): ACID-compliant, supports foreign keys, row-level locking, crash recovery
- MyISAM: Table-level locking, faster for read-heavy workloads, no foreign key support
- Memory/HEAP: Stores data in RAM, very fast but volatile
- Archive: Compressed storage for archival data, insert and select only
- CSV: Stores data in CSV format, useful for data exchange
- Federated: Access remote MySQL tables as local tables
- NDB: Clustered storage engine for MySQL Cluster
Example to check storage engine:
SHOW TABLE STATUS WHERE Name = 'table_name';
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