- 查看mysql表结构的方法有三种:
- 1、desc tablename;
- 例如:
- 要查看jos_modules表结构的命令:
- desc jos_modules;
- 查看结果:
- mysql> desc jos_modules;
- +------------------+---------------------+------+-----+---------------------+----------------+
- | Field | Type | Null | Key | Default | Extra |
- +------------------+---------------------+------+-----+---------------------+----------------+
- | id | int(11) | NO | PRI | NULL | auto_increment |
- | title | text | NO | | NULL | |
- | content | text | NO | | NULL | |
- | ordering | int(11) | NO | | 0 | |
- | position | varchar(50) | YES | | NULL | |
- | checked_out | int(11) unsigned | NO | | 0 | |
- | checked_out_time | datetime | NO | | 0000-00-00 00:00:00 | |
- | published | tinyint(1) | NO | MUL | 0 | |
- | module | varchar(50) | YES | MUL | NULL | |
- | numnews | int(11) | NO | | 0 | |
- | access | tinyint(3) unsigned | NO | | 0 | |
- | showtitle | tinyint(3) unsigned | NO | | 1 | |
- | params | text | NO | | NULL | |
- | iscore | tinyint(4) | NO | | 0 | |
- | client_id | tinyint(4) | NO | | 0 | |
- | control | text | NO | | NULL | |
- +------------------+---------------------+------+-----+---------------------+----------------+
- 2、show create table tablename;
- 例如:
- 要查看jos_modules表结构的命令:
- show create table jos_modules;
- 查看结果:
- mysql> show create table jos_modules;
- jos_modules | CREATE TABLE `jos_modules` (
- `id` int(11) NOT NULL AUTO_INCREMENT,
- `title` text NOT NULL,
- `content` text NOT NULL,
- `ordering` int(11) NOT NULL DEFAULT '0',
- `position` varchar(50) DEFAULT NULL,
- `checked_out` int(11) unsigned NOT NULL DEFAULT '0',
- `checked_out_time` datetime NOT NULL DEFAULT '0000-00-00 00:00:00',
- `published` tinyint(1) NOT NULL DEFAULT '0',
- `module` varchar(50) DEFAULT NULL,
- `numnews` int(11) NOT NULL DEFAULT '0',
- `access` tinyint(3) unsigned NOT NULL DEFAULT '0',
- `showtitle` tinyint(3) unsigned NOT NULL DEFAULT '1',
- `params` text NOT NULL,
- `iscore` tinyint(4) NOT NULL DEFAULT '0',
- `client_id` tinyint(4) NOT NULL DEFAULT '0',
- `control` text NOT NULL,
- PRIMARY KEY (`id`),
- KEY `published` (`published`,`access`),
- KEY `newsfeeds` (`module`,`published`)
- ) ENGINE=MyISAM AUTO_INCREMENT=145 DEFAULT CHARSET=utf8
- 3、use information_schema;select * from columns where table_name='tablename'
- 例如:
- 要查看jos_modules表结构的命令:
- use information_schema;
- select * from columns where table_name='jos_modules';
- 查看结果:
- 略。
- 如果要查看怎么建立数据表的命令用第二种方法最佳。
mysql查看表结构语句
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