故障排除: 版本数高(High Version Count)的问题 (Doc ID 2896923.1参考MOTroubleshooting: High Version Count Issues ... 阅读全文
【MOS】高版本数(>1024)的SQL语句在升级到12.2及更高版本后会导致数据库性能下降 (Doc ID 2469639.1High Version Counts For SQL Stateme ... 阅读全文
简介12.2 Cursor Mutex: x Due to Sql not Shared Because of Bind_equiv_failure (Doc ID 2539161.112.2 由于 ... 阅读全文
简介故障排除:Shared Pool优化 (Doc ID 1523934.1Troubleshooting: Understanding and Tuning the Shared Pool (Do ... 阅读全文
APPLIES TOOracle Database - Personal Edition - Version 10.1.0.2 and lateOracle Database Cloud Sche ... 阅读全文
诊断 ’library cache: mutex X’ 等待 (Doc ID 2331144.1Troubleshooting 'library cache: mutex X' Waits. (Do ... 阅读全文
简介'library cache lock' Waits: Causes and Solutions (Doc ID 1952395.1'library cache lock' 等待事件: 原因和解 ... 阅读全文
APPLIES TOOracle Database - Enterprise Edition - Version 10.2.0.5 and lateOracle Database Cloud Sc ... 阅读全文
简介从Oracle 11g开始,如果一个用户使用不正确的密码尝试登录数据库,那么随着登录失败次数的增加,每次登录验证前延迟等待的时间也会增加。通过设置EVENTS 28401可以屏蔽密码延迟验证AL ... 阅读全文
简介参考:Assistant: Download Reference for Oracle Database/GI Update, Revision, PSU, SPU(CPU), Bundle Pa ... 阅读全文