SQL-4c - Editing Data with UPDATE and Removing Data with DELETE

preview_player
Показать описание
This video covers SQL's UPDATE and DELETE commands, letting us modify existing data and delete rows from tables, respectively. We also cover the dangers here (namely that ALL rows are affected by default) and how we work with MySQL Safe Update Mode to be careful with our commands.
Рекомендации по теме
join shbcf.ru