ORA-00051: timeout occurred while waiting for a resource

文档解释

ORA-00051: timeout occurred while waiting for a resource

Cause: Usually due to a dead instance.

Action: Check for any dead, unrecovered instances and recover them.

**官方英文解释**

ORA-00051: Timeout occurred while waiting for a resource

**中文解释**

ORA-00051:等待资源时超时

**常见案例**

(1) 执行SQL语句时,系统会报出ORA-00051错误

(2) 执行资源耗时较长的DML或DDL语句时出现ORA-00051错误

(3) 由于资源保护机制引起服务器端宕机,即会出现ORA-00051错误

**处理步骤**

(1) 通过analyze table validate structure cascade检查表结构,确认表没有问题

(2) 重置Globals Info,重启服务器

(3) 修改resource 和session 和process 参数

(4) 检查当前SQL语句是否合理,并优化SQL执行计划

(5) 增加空间,调整SGA大小

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