Top 5: blog posts from February 2026

Recent Posts

If the Oracle optimizer chooses inefficient execution plans on queries that use MAX or MIN, it is possible that this is bug 5611962.
What to do if you encounter the ORA-600 [kcrf_resilver_log_1] or ORA-600 [4193] error in an Oracle database.
Procedure to follow when you want to replace the disks on which the ocr and voting disks reside in Oracle.
Plans to travel to the Oracle Open World 2012, in San Francisco.
How in AIX the use of Olson instead of Posix for the timezone can cause slowness and how to solve it.
How to properly configure the database and the listener when using a port other than 1521, to avoid the ORA-12514 error.

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