Learn how to insert data dynamically using a SELECT statement in PostgreSQL.

Learn how to clear cached query plans in PostgreSQL using simple commands.

Resolve the 'InRelease is not signed' error in Docker by freeing up disk space.

Use grep with -C to display surrounding lines for better context.

Use on_conflict and conflict_target in Ecto to manage unique constraints in PostgreSQL.

Learn when to use EXISTS instead of INNER JOIN for better performance in MySQL.

Learn how to use _ and % wildcards with the LIKE operator in MySQL.

Instructions for how to increase the Docker Image disk size in Unraid.…

Starting fresh in 2020 with little notes and articles.…

In case you want to permanently mount an (Amazon EBS for instance) volume on a machine.…