The Create Trigger statement is used for creating any PostgreSQL Trigger. 2) Creating a new Trigger using Create Trigger Statement It has to be noted that you can create a Trigger Function using any of the languages supported by PostgreSQL. Syntax of the Trigger Function: CREATE FUNCTION trigger_function() The function returns a value of the type “ trigger.” You first need to create a Trigger function, a user-defined function that doesn’t take any arguments.
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