文章 2022-02-16 来自:开发者社区

Oracle Databases Need to be Patched to a Minimum Patchset/PSU/RU level before April 2019 (DOC ID 2361478.1)

In this Document Description   What we are announcing   What action you need to take    What is the change introduced by the patches listed above?   Timelines   Support a...

文章 2022-02-15 来自:开发者社区

When does the Oracle library for st_shapelib.dll need to be changed?

Question When does the Oracle library for st_shapelib.dll need to be changed? Answer The library is the path for Oracle to locate the external .dll file used by st_geometry functions and operators...

文章 2022-02-15 来自:开发者社区

【Oracle】并行等待之PX Deq Credit: need buffer

本系列文章将会介绍在并行操作过程中 slave 进程和 QC 进程经常遇到的等待事件! PX Deq Credit: need buffer等待 QC和slave 之间使用队列进行沟通,每个队列使用buffer存放slave和slave或者slave和QC 之间的信息。队列需要一个creidt 标志位来保证任意时刻只有一个进程能够使用此buffer发送数据信息!一个进程要通过队列发送数据或者响.....

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