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早上,省社保项目组反应,数据库上有一个系统类的sql,占用资源很大,严重影响数据库性能。具体的sql为:SELECT COUNT(*) FROM MGMT_METRIC_DEPENDENCY_DETAILS DEP, MGMT_SEVERITY SEV WHERE DEP.TARGET_GUID = :B5 AND DEP.METRIC_GUID = :B4 AND DEP.KEY_VALUE = :B3 AND DEP.EDEP_TARGET_GUID = SEV.TARGET_GUID AND DEP.EDEP_METRIC_GUID = SEV.METRIC_GUID AND DEP.DEP_KEY_VALUE = SEV.KEY_VALUE AND SEV.COLLECTION_TIMESTAMP BETWEEN :B2 AND :B1经查,该问题应该为Oracle OEMbug,metalink参考文章ID:330383.1解决办法为:1. As part of your weekly maintenance jobs for the Oracle Management Repository, run the followingprocedure to analyze all of the objects in the SYSMAN schema:exec dbms_stats.gather_schema_stats("SYSMAN");Oracle 10G RAC EM无法监控节点状态Oracle笔记:ORA-00600 [kksfbc-reparse-infinite-loop]相关资讯      Oracle教程 
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