Top 5: blog posts from February 2026
March 1, 2026
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February is over, and dozens of excellent articles were published, but to save you from having to spend hours separating the wheat from the chaff, here is my monthly list of what I consider to be essential reading, focused on those that offer fresh insights or deal with common issues in an easy-to-understand and entertaining way.
I hope you enjoy reading it as much as I do, so here it is, without further delay!
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.
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.