如何创建带有 InnoDB 引擎的 MySQL 表?
mysqlmysqli database更新于 2024/12/28 17:48:17
要创建带有 InnoDB 引擎的表,我们可以使用 ENGINE 命令。以下是创建表的查询。
mysql> create table EmployeeRecords - > ( - > EmpId int, - > EmpName varchar(100), - > EmpAge int, - > EmpSalary float - > )ENGINE=INNODB; Query OK, 0 rows affected (0.46 sec)
我们已将 ENGINE 设置为上面的 INNODB。
使用 DESC 命令检查有关表的完整描述。
mysql> DESC EmployeeRecords;
以下是输出。
+-----------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +-----------+--------------+------+-----+---------+-------+ | EmpId | int(11) | YES | | NULL | | | EmpName | varchar(100) | YES | | NULL | | | EmpAge | int(11) | YES | | NULL | | | EmpSalary | float | YES | | NULL | | +-----------+--------------+------+-----+---------+-------+ 4 rows in set (0.05 sec)
检查表是否使用 InnoDB 创建。
mysql> SHOW TABLE STATUS FROM business LIKE 'EmployeeRecords';
这是输出 −
+-----------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+--------------------+----------+----------------+---------+ | 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 | +-----------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+--------------------+----------+----------------+---------+ | employeerecords | InnoDB | 10 | Dynamic | 0 | 0 | 16384 | 0 | 0 | 0 | NULL | 2018-10-22 15:22:01 | NULL | NULL | utf8mb4_unicode_ci | NULL | | | +-----------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+-------------+------------+--------------------+----------+----------------+---------+ 1 row in set (0.10 sec)
在上面的输出中,"Engine"显示为"InnoDB"。
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