如何显示 MySQL 表的引擎?
mysqlmysqli database更新于 2024/10/7 18:52:17
要知道 MySQL 表使用的是 MyISAM 还是 InnoDB 引擎,可以使用以下语法。
以下语法可用于多个表 −
show table status from yourDatabaseName;
以下是可用于特定表的语法,即了解表的引擎 −
show table status from yourDatabaseName Like ‘yourTableName’。
以下是显示所有表引擎的查询 −
mysql> show table status from sampleTest;
以下是输出 −
+--------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+ | Name | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Create_time | Update_time | Check_time | Collation | Checksum | Create_options | Comment | +--------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+ | datetimedemo | InnoDB | 10 | Dynamic | 0 | 0 | 16384 | 0 | 0 | 0 | NULL | 2018-12-05 09:22:54 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | primarydemo | InnoDB | 10 | Dynamic | 0 | 0 | 16384 | 0 | 0 | 0 | NULL | 2018-12-05 09:23:34 | NULL | NULL | utf8mb4_0900_ai_ci | NULL | | | | student | MyISAM | 10 | Dynamic | 0 | 0 | | 281474976710655 | 1024 | 0 | 1 | 2018-12-05 09:22:22 | 2018-12-05 09:22:23 | NULL | utf8mb4_0900_ai_ci | NULL | | | +--------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+ 3 rows in set (0.19 sec)
以下是显示特定表 − 的引擎类型的查询
mysql> show table status from sampletest Like 'student';
以下是仅显示"student"表的引擎的输出 −
+---------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+ | Name | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Create_time | Update_time | Check_time | Collation | Checksum | Create_options | Comment | +---------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+ | student | MyISAM | 10 | Dynamic | 0 | 0 | 0 | 281474976710655 | 1024 | 0 | 1 | 2018-12-05 09:22:22 | 2018-12-05 09:22:23 | NULL | utf8mb4_0900_ai_ci | NULL | | | +---------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+ 1 row in set (0.00 sec)
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mysql 参考教程 - 该教程包含有关 mysql 的更多信息:https://www.cainiaomax.com/mysql/

