概述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, 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, 字段说明 = isnull(G.[value],''), 标识 = Case When ColUMNPROPERTY( A.ID,A.name,'IsIDentity')=1 Then '√'Else '' End, 主键 = Case When exists(SELECT 1 FROM sysobjects Where xtype='PK' and parent_obj=A.ID 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,'PRECISION'), 小数位数 = isnull(ColUMNPROPERTY(A.ID,'Scale'),0), 允许空 = Case When A.isnullable=1 Then '√'Else '' End, 默认值 = isnull(E.Text,'') FROM syscolumns A left Join systypes B On A.xusertype=B.xusertype Inner Join sysobjects D On A.ID=D.ID and D.xtype='U' and D.name<>'dtpropertIEs' left Join 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 --where d.name='OrderInfo' --如果只查询指定表,加上此条件 Order By A.ID,A.colorder 总结
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