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This article mainly introduces navicat how to write triggers, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

Open Navicat.

Open the database where the data table is located, right-click the database table that needs to add fields, and then click Design Table.

Enter the table design interface at this point.

Click the trigger tab and enter the trigger name, such as trigger1.

Select the trigger condition, before or after.

Select which table action events are triggered, optionally insert, update, and delete.

In the definition below, enter the sql statement that is 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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