ifexists (select*from dbo.sysobjects where id =object_id(N'[dbo].[p_copydb]') andOBJECTPROPERTY(id, N'IsProcedure') =1) dropprocedure[dbo].[p_copydb] GO /**//*--数据库数据复制 将一个数据库中的数据复制到另一个数据库 如果某列在目标数据库中为标识列,将不会被复制 适用范围:数据库结构发生了变化,想将旧数据库进行升级 这样就可以根据新的数据库结构创建一个空库,然后 将旧数据库的所有数据复制到新库中 --邹建 2003.10(引用请保留此信息)--*/ /**//*--调用示例 exec p_copydb 'bns_aa','bns_new' exec p_copydb 'acc_五医','acc_演示数据8' --*/ createproc p_copydb @o_dbname sysname, --要复制数据的数据库--源数据库 @n_dbname sysname --接收数据的数据库--目标数据库 as declare@sqlnvarchar(4000) --禁用约束/触发器,防止复制时的数据冲突 set@sql='declare #tbc cursor for select name from '+@n_dbname+'..sysobjects where xtype=''U'' and status>=0' exec(@sql) declare@tbname sysname open #tbc fetchnextfrom #tbc into@tbname while@@fetch_status=0 begin set@sql='alter table '+@n_dbname+'..['+@tbname+'] NOCHECK CONSTRAINT ALL' exec(@sql) set@sql='alter table '+@n_dbname+'..['+@tbname+'] disable trigger ALL' exec(@sql) fetchnextfrom #tbc into@tbname end close #tbc --复制数据 declare@sql1varchar(8000) set@sql='declare #tb cursor for select a.name from ' +@o_dbname+'..sysobjects a inner join ' +@n_dbname+'..sysobjects b on a.name=b.name where a.xtype=''U'' and b.xtype=''U''' exec(@sql) open #tb fetchnextfrom #tb into@tbname while@@fetch_status=0 begin select@sql1='' ,@sql='select @sql1=@sql1+'',[''+a.name+'']'' from( select name from '+@o_dbname+'..syscolumns where id in (select id from '+@o_dbname+'..sysobjects where name='''+@tbname+''') ) a inner join ( select name from '+@n_dbname+'..syscolumns where status<>0x80 and id in (select id from '+@n_dbname+'..sysobjects where name='''+@tbname+''') ) b on a.name=b.name' exec sp_executesql @sql,N'@sql1 nvarchar(4000) out',@sql1 out select@sql1=substring(@sql1,2,8000) exec('insert into '+@n_dbname+'..['+@tbname+']('+@sql1 +') select '+@sql1+' from '+@o_dbname+'..['+@tbname+']') if@@error<>0 print('insert into '+@n_dbname+'..['+@tbname+']('+@sql1 +') select '+@sql1+' from '+@o_dbname+'..['+@tbname+']') fetchnextfrom #tb into@tbname end close #tb deallocate #tb --数据复制完成后启用约束 open #tbc fetchnextfrom #tbc into@tbname while@@fetch_status=0 begin set@sql='alter table '+@n_dbname+'..['+@tbname+'] CHECK CONSTRAINT ALL' exec(@sql) set@sql='alter table '+@n_dbname+'..['+@tbname+'] enable trigger ALL' exec(@sql) fetchnextfrom #tbc into@tbname end close #tbc deallocate #tbc go