select distinct collationid from dbo.syscolumns
select * from dbo.syscolumns where collationid=53251 --Chinese_Taiwan_Stroke_CI_AS
select * from dbo.syscolumns where collationid=53284 --Chinese_PRC_CI_AS
EXEC sp_configure 'allow updates',1 RECONFIGURE WITH OVERRIDE
update dbo.syscolumns set collationid=53284 where collationid=53251
EXEC sp_configure 'allow updates',0 RECONFIGURE WITH OVERRIDE
go