https://www.learnsqlonline.org/en/Updating_rows
Updating rows - Learn SQL - Free Interactive SQL Tutorial
learnsqlonline.org is a free interactive SQL tutorial for people who want to learn SQL, fast.
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https://www.w3resource.com/PostgreSQL/snippets/updating-table-rows-postgresql-subquery.php
Updating table rows in PostgreSQL using Subqueries
Learn how to update rows in PostgreSQL using a subquery. This guide includes syntax, examples, and detailed explanations for efficient updates across tables.
updatingtablerowspostgresqlusing