它可以被定義為資料庫管理系統(DBMS)用來處理不同的SQL操作(如建立、讀取、更新和刪除資料庫中的資料)的軟體組件。換句話說,它被DBMS用來管理資料庫中的資訊。最常用的儲存引擎是InnoDB,它也是MySQL5.5及更高版本的預設儲存引擎。在MySQL5.5之前,預設的儲存引擎是MyISAM。
透過使用SHOW ENGINES指令,我們可以檢查MySQL安裝支援的儲存引擎清單−
mysql> SHOW ENGINES\G
*************************** 1. row *************************** Engine: FEDERATED Support: NO Comment: Federated MySQL storage engine Transactions: NULL XA: NULL Savepoints: NULL *************************** 2. row *************************** Engine: MRG_MYISAM Support: YES Comment: Collection of identical MyISAM tables Transactions: NO XA: NO Savepoints: NO *************************** 3. row *************************** Engine: MyISAM Support: YES Comment: MyISAM storage engine Transactions: NO XA: NO Savepoints: NO *************************** 4. row *************************** Engine: BLACKHOLE Support: YES Comment: /dev/null storage engine (anything you write to it disappear Transactions: NO XA: NO Savepoints: NO *************************** 5. row *************************** Engine: CSV Support: YES Comment: CSV storage engine Transactions: NO XA: NO Savepoints: NO *************************** 6. row *************************** Engine: MEMORY Support: YES Comment: Hash based, stored in memory, useful for temporary tables Transactions: NO XA: NO Savepoints: NO *************************** 7. row *************************** Engine: ARCHIVE Support: YES Comment: Archive storage engine Transactions: NO XA: NO Savepoints: NO *************************** 8. row *************************** Engine: InnoDB Support: DEFAULT Comment: Supports transactions, row-level locking, and foreign keys Transactions: YES XA: YES Savepoints: YES *************************** 9. row *************************** Engine: PERFORMANCE_SCHEMA Support: YES Comment: Performance Schema Transactions: NO XA: NO Savepoints: NO 9 rows in set (0.00 sec)
以上是什麼是儲存引擎以及如何查看MySQL安裝支援的儲存引擎清單?的詳細內容。更多資訊請關注PHP中文網其他相關文章!