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What’s new with Oracle database 19.5 versus 19.4

It seems that the most eye-catching difference between Oracle database versions 19.5 and 19.4 is three underscore parameters spare parameters being changed to specifically named underscore parameters, two of them have a bug number in them which is not publicly visible.

In v$sysstat/v$sesstat, a group of statistics are renamed from ‘OS %’ to ‘Server %’. All these statistics are about networking. One changed parameter directly points to networking (tcpinfo). These statistics are added in version 19.

One DBA view was added: DBA_DV_COMMON_OPERATION_STATUS. This view is specific and owned by to DVSYS.

Oracle 18c RU and RUR for pioneers and followers

In a previous post, I explained the announcement of the new release model, with Release Updates and Release Update Revisions replacing Proactive Bundle Patch and PSUs. Here is a description that will help you to plan your patching activity.

Which DBA are you?

There are currently a lot of discussions about the different types of DBAs. When it comes to patching, the DBA type is important.

Some DBAs are very conservative: do not use new features, do not upgrade to ‘.1′ releases, because every change can break anything. At least, maybe just patch to SPU for the security fixes. Some are more confident and apply the PSUs, with more fixes. The problem is that what is not fixed may be subject to a bug one day, and need an urgent one-of patch.