欢迎进入Windows社区论坛，与300万技术人员互动交流 >>进入 SELECT [表名]=case when a.colorder=1 then d.nameelse '' end, [表说明]=case when a.colorder=1 thenisnull(f.value,'') else '' end, [字段序号]=a.colorder, [字段名]=a.name, [标识]=case wh

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　　SELECT

　　[表名]=case when a.colorder=1 then d.nameelse '' end,

　　[表说明]=case when a.colorder=1 thenisnull(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 FROMsysobjects 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 ANDcolid=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]=case when a.isnullable=1 then '√'else'' end,

　　[默认值]=isnull(e.text,''),

　　[字段说明]=isnull(g.[value],'')

　　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_idand a.colid=g.minor_id

　　left join sys.extended_properties f on d.id=f.major_idand f.minor_id=0

　　--where d.name='TableName' --如果只查询指定表,加上此条件

　　orderby a.id,a.colorder