MySQL DESCRIBE 语句显示什么样的信息?
示例
考虑使用 Create Table 语句构建下表名称“Employee”,如下所示 -
mysql> Create table Employee(ID INT NOT NULL PRIMARY KEY AUTO_INCREMENT, Name Varchar(20)); Query OK, 0 rows affected (0.20 sec)登录后复制
mysql> Describe Employee; +-------+-------------+------+-----+---------+------------------+ | Field | Type | Null | Key | Default | Extra | +-------+-------------+------+-----+---------+------------------+ | ID | int(11) | NO | PRI | NULL | auto_increment | | Name | varchar(20) | YES | | NULL | | +-------+-------------+------+-----+---------+------------------+ 2 rows in set (0.11 sec)登录后复制
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