标题: ORA-30490: Ambiguous expression in GROUP [打印本页] 作者: admin 时间: 2016-9-4 21:31 标题: ORA-30490: Ambiguous expression in GROUP ORA-30490: Ambiguous expression in GROUP BY ROLLUP or CUBE list Cause: An expression in theGROUP BY ROLLUP or CUBE list matches an
expression in the ordinary GROUP BY expression list Action: Remove the expressionfrom either ordinary GROUP BY expression list or
ROLLUP or CUBE expression list