解决SQL 的 Collation 问题:Cannot resolve collation conflict for equal to operation.
2014-11-26 13:37
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http://bbs.csdn.net/topics/70144642
在涉及多表的联结查询中,如果联结字段采用不同的排序规则,则出现冲突
解决办法有四种:
1、在查询时指定排序规则,这样无须对数据库进行任何修改
select * from a join b on a.aa=b.bb collate chinese_prc_ci_as --(可以任意指定一种sqlserver支持的排序规则)
2、修改联结字段的排序规则,使之统一
可以在企业管理器中,修改表的设计(打开表设计窗口->排序规则)
也可以用sql语句
alter table a ALTER COLUMN aa char(10) COLLATE Latin1_General_CI_AS
3、使用sql server的工具Rebuildm.exe 更改 Microsoft SQL Server2000 实例的排序规则设置
4、重新安装sql server,选择需要的排序规则
在涉及多表的联结查询中,如果联结字段采用不同的排序规则,则出现冲突
解决办法有四种:
1、在查询时指定排序规则,这样无须对数据库进行任何修改
select * from a join b on a.aa=b.bb collate chinese_prc_ci_as --(可以任意指定一种sqlserver支持的排序规则)
2、修改联结字段的排序规则,使之统一
可以在企业管理器中,修改表的设计(打开表设计窗口->排序规则)
也可以用sql语句
alter table a ALTER COLUMN aa char(10) COLLATE Latin1_General_CI_AS
3、使用sql server的工具Rebuildm.exe 更改 Microsoft SQL Server2000 实例的排序规则设置
4、重新安装sql server,选择需要的排序规则
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