1、错误描述

ORA-12801: 并行查询服务器P007中发出错误信号
ORA-01722:无效数字
12801.00000 -"error signaled in parallel query server %s"
*Cause: A parallel query server reached an exception condition.
*Action: Check the following error message for the cause,and consult your error manual for the appropriate action.
*Comment: This error can be turned off with event 10397,in which case the server's actual error is signaled instead.

     在添加并行时，出现错误

3、解决办法

     保证添加的并行和查询中的保持一致，并且保证查询参数跟数据库表中的数据类型一致