SELECT
表名=casewhen a.colorder=1then d.name else''end,
表说明=casewhen a.colorder=1thenisnull(f.value,'') else''end,
字段序号=a.colorder,
字段名=a.name,
标识=casewhenCOLUMNPROPERTY( a.id,a.name,'IsIdentity')=1then'√'else''end,
主键=casewhenexists(SELECT1FROM sysobjects where xtype='PK'and name in ( SELECT name FROM sysindexes WHERE indid in( SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid
))) then'√'else''end,
类型=b.name,
占用字节数=a.length,
长度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
小数位数=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
允许空=casewhen a.isnullable=1then'√'else''end,
默认值=isnull(e.text,''),
字段说明=isnull(g.[value],'') FROM syscolumns a leftjoin systypes b on a.xtype=b.xusertype innerjoin sysobjects d on a.id=d.id and d.xtype='U'and d.name<>'dtproperties' leftjoin syscomments e on a.cdefault=e.id leftjoin sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id leftjoin sys.extended_properties f on d.id=f.major_id and f.minor_id =0 --where d.name='要查询的表' --如果只查询指定表,加上此条件 orderby a.id,a.colorder