Trigger Introduction
Learn what SQLite triggers are and how they automatically run SQL when INSERT, UPDATE, or DELETE events occur.
Create Trigger
Create SQLite triggers with clear event, timing, and action definitions for reliable automation.
BEFORE Triggers
Use SQLite BEFORE triggers to validate or block invalid data changes before they are applied.
AFTER Triggers
Use SQLite AFTER triggers to perform side effects like logging and counter maintenance after data changes succeed.
Dropping Triggers
Remove SQLite triggers safely with DROP TRIGGER and verify trigger cleanup in schema metadata.