标题: ORA-22312: must specify either CASCADE or [打印本页] 作者: admin 时间: 2016-8-31 17:12 标题: ORA-22312: must specify either CASCADE or ORA-22312: mustspecify either CASCADE or INVALIDATE option Cause: An attempt was made to alter a type which has a dependenttype or table
without specifying the CASCADE or INVALIDATE option. Action: Resubmitthe statement with either the CASCADE or INVALIDATE
option. Specify CASCADE if you want to cascade the type change to dependent
types and tables; otherwise, specify INVALIDATE to invalidate all dependents.