MsSql教程网-基于SQL2005 SQL2008 表结构信息查询升级版的详解(含外键信息)

SELECT

表名=CASE WHEN a.colorder = 1 THEN d.name ELSE ” END,

表说明=CASE WHEN a.colorder = 1 THEN isnull(f.value, ”) ELSE ” END ,

字段序号=a.colorder ,

字段名=a.name ,

标识=CASE WHEN COLUMNPROPERTY(a.id, a.name, ‘IsIdentity’) = 1 THEN ‘√’ ELSE ” END ,

主键=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 = so.name AND so.xtype = ‘PK’

  WHERE sc.id = a.id AND sc.colid = a.colid) THEN ‘√’

  ELSE ”

 END ,

 外键=CASE WHEN tony.fkey is not null and tony.fkey=a.colid THEN ‘√’ ELSE ” END ,

 外键表=CASE WHEN tony.fkey is not null and tony.fkey=a.colid

THEN object_name(tony.fkeyid) ELSE ”

   END ,

 外键字段=CASE WHEN tony.fkey is not null and tony.fkey=a.colid

 THEN (SELECT name FROM syscolumns

   WHERE colid=tony.fkey AND id=tony.fkeyid)  

 ELSE ”

 END,

 类型=b.name ,

 长度=a.length ,

 精度=COLUMNPROPERTY(a.id, a.name, ‘PRECISION’) ,

 小数位数=ISNULL(COLUMNPROPERTY(a.id, a.name, ‘Scale’), 0) ,

 允许空=CASE WHEN a.isnullable = 1 THEN ‘√’ ELSE ” END ,

 默认值= ISNULL(e.text, ”),

 字段说明=ISNULL(g.[value], ”),

 创建时间=d.crdate,

 更改时间=CASE WHEN a.colorder = 1 THEN d.refdate ELSE NULL END

FROM dbo.syscolumns a

LEFT JOIN dbo.systypes b ON a.xtype = b.xusertype

INNER JOIN dbo.sysobjects d ON a.id = d.id AND d.xtype = ‘U’ AND d.status >= 0

LEFT JOIN dbo.syscomments e ON a.cdefault = e.id

LEFT JOIN sys.extended_properties g ON a.id = g.major_id AND a.colid = g.minor_id

LEFT JOIN sys.extended_properties f ON d.id = f.major_id AND f.minor_id = 0 

LEFT JOIN sysobjects htl ON htl.parent_obj=d.id AND htl.xtype=’F’

LEFT JOIN sysforeignkeys tony on htl.id=tony.constid

WHERE d.name=’tb’  –这里输入包含表名称的条件

ORDER BY d.id, a.colorder

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