This tutorial will show you how to delete rows from a database. Be careful though. If you make a mistake here, you might accidentally land ... ... <看更多>

I'm working on a script using MySQL database with an auto-increment primary key tables, that users may need to remove (lots of) data rows as ... ... <看更多>

To fix the syntax error: DELETE FROM events WHERE check_in < (NOW() - INTERVAL 1 DAY). That won't land on midnight. Instead change to: ... <看更多>

TRUNCATE clears the table but does not delete the definition. Q29. How do you select every row in a given table named "inventory"? SELECT all FROM ... ... <看更多>