标题: ORA-30454: summary contains STDDEV without [打印本页] 作者: admin 时间: 2016-9-4 21:12 标题: ORA-30454: summary contains STDDEV without ORA-30454: summary contains STDDEV without corresponding SUM & COUNT Cause: Incremental refreshof summaries with STDDEV(X) requires COUNT(X)
and SUM(X) columns to be included in the summary definition Action: Make sure that therequired columns are part of the summary definition if
incremental refresh capability is desired.