SQL2005 SQL2008 表结构信息查询升级版（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