ifexists (select*from dbo.sysobjects where id =object_id(N'[dbo].[p_comparestructure]') andOBJECTPROPERTY(id, N'IsProcedure') =1) dropprocedure[dbo].[p_comparestructure] GO CREATEproc p_comparestructure @dbname1varchar(250), --要比较的数据库名1 @dbname2varchar(250) --要比较的数据库名2 as createtable #tb1(表名1 varchar(250),字段名 varchar(250),序号 int,标识 bit,主键 bit,类型 varchar(250), 占用字节数 int,长度 int,小数位数 int,允许空 bit,默认值 nvarchar(2000),[字段说明] sql_variant) createtable #tb2(表名2 varchar(250),字段名 varchar(250),序号 int,标识 bit,主键 bit,类型 varchar(250), 占用字节数 int,长度 int,小数位数 int,允许空 bit,默认值 nvarchar(2000),[字段说明] sql_variant) --得到数据库1的结构 exec('insert into #tb1 SELECT 表名=d.name,字段名=a.name,序号=a.colid, 标识=case when a.status=0x80 then 1 else 0 end, 主键=Case When (Exists(select 1 from '+@dbname1+'..sysindexes i join '+@dbname1+'..sysindexkeys k on i.id = k.id and i.indid = k.indid join '+@dbname1+'..sysobjects o on i.id = o.id join '+@dbname1+'..syscolumns c on i.id=c.id and k.colid = c.colid join '+@dbname1+'..systypes t on c.xusertype=t.xusertype where o.xtype = ''U'' and o.name=d.name and c.name = a.name and exists(select 1 from '+@dbname1+'..sysobjects where xtype = ''PK'' and parent_obj=i.id and name = i.name)) ) then 1 else 0 end, 类型=b.name, 占用字节数=a.length,长度=a.prec,小数位数=a.scale, 允许空=a.isnullable, 默认值=isnull(e.text,''''),字段说明=isnull(g.value, '''') FROM '+@dbname1+'..syscolumns a left join '+@dbname1+'..systypes b on a.xtype=b.xusertype inner join '+@dbname1+'..sysobjects d on a.id=d.id and d.xtype=''U'' and d.name<>''dtproperties'' left join '+@dbname1+'..syscomments e on a.cdefault=e.id left join '+@dbname1+'..sysproperties g on a.id=g.id and a.colid=g.smallid order by a.id,a.colorder') --得到数据库2的结构 exec('insert into #tb2 SELECT 表名=d.name,字段名=a.name,序号=a.colid, 标识=case when a.status=0x80 then 1 else 0 end, 主键=Case When (Exists(select 1 from '+@dbname2+'..sysindexes i join '+@dbname2+'..sysindexkeys k on i.id = k.id and i.indid = k.indid join '+@dbname2+'..sysobjects o on i.id = o.id join '+@dbname2+'..syscolumns c on i.id=c.id and k.colid = c.colid join '+@dbname2+'..systypes t on c.xusertype=t.xusertype where o.xtype = ''U'' and o.name=d.name and c.name = a.name and exists(select 1 from '+@dbname2+'..sysobjects where xtype = ''PK'' and parent_obj=i.id and name = i.name)) ) then 1 else 0 end, 类型=b.name, 占用字节数=a.length,长度=a.prec,小数位数=a.scale, 允许空=a.isnullable, 默认值=isnull(e.text,''''),字段说明=isnull(g.value, '''') FROM '+@dbname2+'..syscolumns a left join '+@dbname2+'..systypes b on a.xtype=b.xusertype inner join '+@dbname2+'..sysobjects d on a.id=d.id and d.xtype=''U'' and d.name<>''dtproperties'' left join '+@dbname2+'..syscomments e on a.cdefault=e.id left join '+@dbname2+'..sysproperties g on a.id=g.id and a.colid=g.smallid order by a.id,a.colorder') --and not exists(select 1 from #tb2 where 表名2=a.表名1) select 比较结果=casewhen a.表名1 isnulland b.序号=1and b.序号=1andnotexists(select1from #tb1 where 表名1=b.表名2) then'库'+@dbname1+'缺少表:'+b.表名2 when b.表名2 isnulland a.序号=1andnotexists(select1from #tb2 where 表名2=a.表名1) then'库'+@dbname2+'缺少表:'+a.表名1 when a.字段名 isnullandexists(select1from #tb1 where 表名1=b.表名2) then'库'+@dbname1+'表['+b.表名2+']缺少字段:'+b.字段名 when b.字段名 isnullandexists(select1from #tb2 where 表名2=a.表名1) then'库'+@dbname2+'表['+a.表名1+']缺少字段:'+a.字段名 when a.标识<>b.标识 then'标识不同' when a.主键<>b.主键 then'主键设置不同' when a.类型<>b.类型 then'字段类型不同' when a.占用字节数<>b.占用字节数 then'占用字节数' when a.长度<>b.长度 then'长度不同' when a.小数位数<>b.小数位数 then'小数位数不同' when a.允许空<>b.允许空 then'是否允许空不同' when a.默认值<>b.默认值 then'默认值不同' when a.字段说明<>b.字段说明 then'字段说明不同' else''end, * from #tb1 a fulljoin #tb2 b on a.表名1=b.表名2 and a.字段名=b.字段名 where a.表名1 isnullor a.字段名 isnullor b.表名2 isnullor b.字段名 isnull or a.标识<>b.标识 or a.主键<>b.主键 or a.类型<>b.类型 or a.占用字节数<>b.占用字节数 or a.长度<>b.长度 or a.小数位数<>b.小数位数 or a.允许空<>b.允许空 or a.默认值<>b.默认值 or a.字段说明<>b.字段说明 orderbyisnull(a.表名1,b.表名2),isnull(a.序号,b.序号)--isnull(a.字段名,b.字段名) --SELECT * FROM #tb1 WHERE 表名1 = 'O_OrderItems' --SELECT * FROM #tb2 WHERE 表名2 = 'O_OrderItems' --SELECT * FROM #tb1 WHERE 主键 = 1 --SELECT * FROM #tb2 WHERE 主键 = 1