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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.