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