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。

1. 1. 
      
2. -- 查询非系统数据库
3. Select name FROM Master.. SysDatabases where dbid>4
4. 
   
5. -- 选择water数据库下的所有表
6. use [water] SELECT name FROM sysobjects WHERE xtype = 'U' Or xtype = 'S'
7. 
   
8. -- 选择water数据库下的所有用户表
9. use [water] SELECT name FROM sysobjects WHERE xtype = 'U' AND OBJECTPROPERTY (id, 'IsMSShipped') = 0
10. 
    
11. -- 查询water数据库下的admin表的字段名,长度,类型,字段说明
12. 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
13. left join systypes b on a.xusertype=b.xusertype
14. left join systypes c on a.xtype = c.xusertype
15. inner join sysobjects d on a.id=d.id and d.xtype='U'
16. left join sys.extended_properties e on a.id = e.major_id and a.colid = e.minor_id and e.name='MS_Description'
17. where d.name='admin'
    1.