查询表结构的SQL语句
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
– 选择water数据库下的所有表
use [water] SELECT name FROM sysobjects WHERE xtype = "U" Or xtype = "S"
– 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
– 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"
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