Oracle-dba-help

    A PostgreSQL table can grow quietly for weeks before anyone notices. The application team says they already deleted old data. Storage still looks high. Queries are touching more blocks than expected. Autovacuum is running, but the table does not seem to become smaller. This is where many DBAs first realize that DELETE in PostgreSQL is not the same as phys...

  Some journeys do not begin with a plan. They begin with curiosity, consistency, and a simple intention to share what we learn.

My Oracle ACE journey is one such journey.

When I look back today, it feels special not only bec...

For those who may not be familiar, FeedSpot is a content discovery and reading platform that helps users follow blogs, news websites, podcasts, YouTube channels, RSS feeds, and other online sources from one place. FeedSpot al...

  Most DBAs never think about the internal structure of a Data Pump dump file until something breaks.

The export finishes successfully. The dump file exists. Object storage upload completes. Then suddenly an import job fails halfway through a cloud migration because the dump file metadata cannot be interpreted properly by the target...

 It started like a routine DR testing request.

Application team wanted a safe environment on the standby side to run validations without impacting primary. The standby database was part of a 2-node Oracle RAC setup running on Oracle Cloud Infrastructure Database Base Service. By default, the standby was in mount mode, so the usual d...