ORA-29386: plan or consumer group string is mandatory and cannot be deleted or modified
Cause: An attempt was made to delete or modify the specified mandatory plan or consumer group.
Action: Do not attempt to delete or modify mandatory plans and consumer groups.
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ORA-29386可能出现在实施Oracle Database行为管理的场景中,当尝试删除或修改默认的计划或使用者组字符串时,ORA-29386会出现。
原因问题:计划或使用者组字符串等是Oracle Database行为管理的必需的核心组件,因此它们不能被删除或更改。
ALTER PLAN system
DROP USERGROUP default;
正常处理:去除上述语句中涉及到更改或删除参数(如用户组),然后运行SQL语句即可。