《PHP学习:mysql desc(DESCRIBE)命令实例讲解》要点:
本文介绍了PHP学习:mysql desc(DESCRIBE)命令实例讲解,希望对您有用。如果有疑问,可以联系我们。
PHP实例mysql desc命令用于查看表结构,是DESCRIBE命令的简写形式.
PHP实例mysql desc命令语法:
PHP实例desc tablename
PHP实例该命令会显示表哪些信息呢?具体包括:
PHP实例实例:
PHP实例
mysql> CREATE TABLE employee (
-> ID INT(2) auto_increment primary key,
-> First_name VARCHAR(20),
-> Last_name VARCHAR(30),
-> Start_date DATE,
-> Salary int(6),
-> city VARCHAR(20),
-> description VARCHAR(20)
-> );
Query OK, 0 rows affected (0.02 sec)
mysql>
mysql> desc employee;
+-------------+-------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------------+-------------+------+-----+---------+----------------+
| ID | int(2) | NO | PRI | NULL | auto_increment |
| First_name | varchar(20) | YES | | NULL | |
| Last_name | varchar(30) | YES | | NULL | |
| Start_date | date | YES | | NULL | |
| Salary | int(6) | YES | | NULL | |
| city | varchar(20) | YES | | NULL | |
| description | varchar(20) | YES | | NULL | |
+-------------+-------------+------+-----+---------+----------------+
7 rows in set (0.00 sec)
PHP实例以上就是对mysql desc 的资料整理,后续继续补充相关资料,谢谢大家对本站的支持!
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