SQL SERVER 表结构信息查询（详细）

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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 ENDFROM 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.constidWHERE d.name='tb' --表明  ORDER BY d.id, a.colorder
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