The syntax to create a BEFORE UPDATE Trigger in MySQL is:
Parameters or Arguments
The name of the trigger to create.
- BEFORE UPDATE
It indicates that the trigger will fire before the UPDATE operation is executed.
The name of the table that the trigger is created on.
Let's look at an example of how to create an BEFORE UPDATE trigger using the CREATE TRIGGER statement in MySQL.
If you had a table created as follows:
We could then use the CREATE TRIGGER statement to create an BEFORE UPDATE trigger as follows: