Troubleshoot: data masking without changing the applications

Learn how to implement the masking of column contents dynamically and without having to modify your applications.

Troubleshoot: PRCA-1051 when trying to register a migrated ACFS filesystem

Learn how to register an ACFS filesystem after migrating the Disk Group containing it to a new Oracle Cluster.

Incremental statistics, are you doing it right?

If you implemented incremental statistics in releases before Oracle 12.2, you may not be taking full advantage of them. Learn how to do it!

Troubleshoot: a non-regular solution for “ORA-01502 index is in unusable state”

How an error caused by running analyze on a table with unusable indexes is solved with regular expressions and dbms_stats.

How to add and drop disks efficiently in ASM?

Are you about to add, drop or replace disks in ASM? You may not be doing it in the most efficient way. Learn how.

Schrödinger’s Fast Recovery Area

What to do when Oracle reports an incorrect value for the space used in Fast Recovery Area.

DataGuard switchover with wallet: ORA-01017

Learn how to resolve and avoid the ORA-01017 error when you have Oracle Data Guard with wallet implemented.

Troubleshoot: enq: TX – row lock contention

Learn how to identify the row involved in the occurrence of the wait even “enq: TX – row lock contention”

Troubleshoot: CRS-2304 GPnP profile signature verification failed.

Learn how to resolve the CRS-2304 GPnP profile signature verification failed error when starting an 11.2 database on a 19c cluster.

Oracle Home permissions corrupted? Solve it in a jiffy!

Learn how to fix corrupted permissions on an Oracle Home, either Oracle Grid or Oracle Database Server.