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在使用到 CBQT 技术后,查询DBA_TAB_COLUMNS变的很慢 (Doc ID 2533893.1)

Last updated on JULY 29, 2019

适用于:

Oracle Database - Enterprise Edition - 版本 12.2.0.1 和更高版本
本文档所含信息适用于所有平台

症状

 

更改

数据库从11204升级到12.2

原因

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