如果需要查询表结构,SQL语句能否实现呢?下面就将为您介绍查询表结构的SQL语句的写法,希望对您学习SQL语句能够有所帮助 。
- -- 查询非系统数据库
- Select name FROM Master.. SysDatabases where dbid>4
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- -- 选择water数据库下的所有表
- use [water] SELECT name FROM sysobjects WHERE xtype = U Or xtype = S
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- -- 选择water数据库下的所有用户表
- use [water] SELECT name FROM sysobjects WHERE xtype = U AND OBJECTPROPERTY (id, IsMSShipped) = 0
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- -- 查询water数据库下的admin表的字段名,长度,类型,字段说明
- use [water] SELECT a.[name] as 字段名,a.length 长度,c.[name] 类型,e.value as 字段说明 FROM syscolumns a
- left join systypes b on a.xusertype=b.xusertype
- left join systypes c on a.xtype = c.xusertype
- inner join sysobjects d on a.id=d.id and d.xtype=U
- left join sys.extended_properties e on a.id = e.major_id and a.colid = e.minor_id and e.name=MS_Description
- where d.name=admin