All Things Oracle

Troubleshoot: losing control

The enq: CF – contention event could be resolved with controlfile maintenance if the controlfile contains a large number of archived log records.

Troubleshoot: confused optimizer

If the Oracle optimizer chooses inefficient execution plans on queries that use MAX or MIN, it is possible that this is bug 5611962.

The paradoxes of time

How in AIX the use of Olson instead of Posix for the timezone can cause slowness and how to solve it.

Imminent danger, God help us!

A very serious vulnerability associated with the DBMS_JVM_EXP_PERMS package has been made public, which opens the door to unpredictable damage.

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