Category Archives: Oracle 12c

Setting OPTIMIZER_ADAPTIVE_FEATURES in Oracle Database 12c Release 2

In Oracle Database 12c Release 2 the parameter OPTIMIZER_ADAPTIVE_FEATURES was declared “Obsolete”. It was replaced by the parameters optimizer_adaptive_statistics, optimizer_adaptive_plans and AUTO_STAT_EXTENSIONS to allow better control of the adaptive features of the optimizer but what happens, if you try the … Continue reading

Posted in Oracle 12c | Tagged , | Comments Off on Setting OPTIMIZER_ADAPTIVE_FEATURES in Oracle Database 12c Release 2

Patching Oracle 12.2 Grid Infrastructure before setting up a cluster

One of the first steps after setting up an Oracle cluster is patching the Grid Infrastructure to the most current patchlevel. Usually this has to be done on all cluster nodes separately and requires some time and effort. But what … Continue reading

Posted in Common, Oracle 12c, RAC | Tagged , | Comments Off on Patching Oracle 12.2 Grid Infrastructure before setting up a cluster

New kid on the block – let’s install “Database Release Update 12.2.0.1.170718”

At the DOAG database conference in May, Andrew Mendelsohn announced that Oracle will change the release schedule to annual releases and that patch naming will be changed to “Release Updates” (RU). The latter started – as announced – in July … Continue reading

Posted in Common, Oracle 12c | Tagged , , | Comments Off on New kid on the block – let’s install “Database Release Update 12.2.0.1.170718”

DBCA 12.2 runs datapatch automatically

It was one of the issues with Oracle 12c Release 1 that datapatch was not executed by dbca automatically. So, if you had installed patches to your Oracle home before running dbca, dbca did not take this into consideration and … Continue reading

Posted in Common, Oracle 12c | Tagged , , | Comments Off on DBCA 12.2 runs datapatch automatically

Interval-Reference-Partitioning: Partition-Merge and Row-Movement

As often, I use this blog to answer questions of training participants. This time, it’s the question what happens on interval-reference-partitioned tables when merging partitions or when updates cause row movement.

Posted in Common, Oracle 12c | Comments Off on Interval-Reference-Partitioning: Partition-Merge and Row-Movement