The following describes how to use Navicat to create triggers for database tables.
Open Navicat(Recommended tutorial:navicat tutorial)
Open data In the database where the table is located, right-click the database table where you want to add fields, and then click [Design Table]
Now enter the table design interface
Click the [Trigger] tab and enter the trigger name, such as trigger1
##Select the trigger condition, before or after
Select which table operation events are triggered, you can check insert, update and delete
In the [Definition] below, enter the SQL statement to be executed when the trigger is triggered, such as insert into oldtable(code) values(newtable.code), and then click [Save] to create the trigger.
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