//https://www.cnblogs.com/Leo_wl/p/11069813.html
/* 使用说明：Old数据库为DB_V1，New数据库为[localhost].DB_V2。根据实际需要批量替换数据库名称 脚本来源：https://www.cnblogs.com/zhang502219048/p/11028767.html */ -- sysobjects插入临时表 select s.name + '.' + t.name as TableName, t.* into #tempTA from DB_V1.sys.tables t inner join DB_V1.sys.schemas s on s.schema_id = t.schema_id select s.name + '.' + t.name as TableName, t.* into #tempTB from [localhost].DB_V2.sys.tables t inner join [localhost].DB_V2.sys.schemas s on s.schema_id = t.schema_id -- syscolumns插入临时表 select * into #tempCA from DB_V1.dbo.syscolumns select * into #tempCB from [localhost].DB_V2.dbo.syscolumns -- 第一个数据库表和字段 select b.TableName as 表名, a.name as 字段名, a.length as 长度, c.name as 类型 into #tempA from #tempCA a inner join #tempTA b on b.object_id = a.id inner join systypes c on c.xusertype = a.xusertype order by b.name -- 第二个数据库表和字段 select b.TableName as 表名, a.name as 字段名, a.length as 长度, c.name as 类型 into #tempB from #tempCB a inner join #tempTB b on b.object_id = a.id inner join systypes c on c.xusertype = a.xusertype order by b.name --删掉的字段 select * from ( select * from #tempA except select * from #tempB ) a; --增加的字段 select * from ( select * from #tempB except select * from #tempA ) a; --select * from #tempA --select * from #tempB drop table #tempTA, #tempTB, #tempCA, #tempCB, #tempA, #tempB
来源：博客园
作者：Star★
链接：https://www.cnblogs.com/TNSSTAR/p/11596059.html