您的位置:首页 > 数据库

SQLServer中查询表结构(表主键 、列说明、列数据类型、所有表名)的Sql语句

2015-12-17 10:00 796 查看

SQLServer中查询表结构(表主键 、列说明、列数据类型、所有表名)的Sql语句

1、查询数据库中的所有表名称:

SELECT name FROM SysObjects Where XType='U' ORDER BY Name


结果:


2、查询数据库中指定表的表结构:

--快速查看表结构
SELECT  CASE WHEN col.colorder = 1 THEN obj.name
ELSE ''
END AS 表名,
col.colorder AS 序号 ,
col.name AS 列名 ,
ISNULL(ep.[value], '') AS 列说明 ,
t.name AS 数据类型 ,
col.length AS 长度 ,
ISNULL(COLUMNPROPERTY(col.id, col.name, 'Scale'), 0) AS 小数位数 ,
CASE WHEN COLUMNPROPERTY(col.id, col.name, 'IsIdentity') = 1 THEN '1'
ELSE ''
END AS 标识 ,
CASE WHEN EXISTS ( SELECT   1
FROM     dbo.sysindexes si
INNER JOIN dbo.sysindexkeys sik ON si.id = sik.id
AND si.indid = sik.indid
INNER JOIN dbo.syscolumns sc ON sc.id = sik.id
AND sc.colid = sik.colid
INNER JOIN dbo.sysobjects so ON so.name = si.name
AND so.xtype = 'PK'
WHERE    sc.id = col.id
AND sc.colid = col.colid ) THEN '1'
ELSE ''
END AS 主键 ,
CASE WHEN col.isnullable = 1 THEN '1'
ELSE ''
END AS 允许空 ,
ISNULL(comm.text, '') AS 默认值
FROM    dbo.syscolumns col
LEFT  JOIN dbo.systypes t ON col.xtype = t.xusertype
inner JOIN dbo.sysobjects obj ON col.id = obj.id
AND obj.xtype = 'U'
AND obj.status >= 0
LEFT  JOIN dbo.syscomments comm ON col.cdefault = comm.id
LEFT  JOIN sys.extended_properties ep ON col.id = ep.major_id
AND col.colid = ep.minor_id
AND ep.name = 'MS_Description'
LEFT  JOIN sys.extended_properties epTwo ON obj.id = epTwo.major_id
AND epTwo.minor_id = 0
AND epTwo.name = 'MS_Description'
WHERE   obj.name = 'PkAutoInc'--表名
ORDER BY col.colorder ;


结果:

内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息
标签: