DROP TRIGGER SQL - Language Statements DROP TRIGGER remove a trigger DROP TRIGGER name ON table [ CASCADE | RESTRICT ] DROP TRIGGER will remove an existing trigger definition. To execute this command, the current user must be the owner of the table for which the trigger is defined. name The name of the trigger to remove. table The name (optionally schema-qualified) of a table for which the trigger is defined. CASCADE Automatically drop objects that depend on the trigger. RESTRICT Refuse to drop the trigger if any objects depend on it. This is the default. DROP TRIGGER Message returned if the trigger was successfully dropped. ERROR: DropTrigger: there is no trigger name on relation "table" Message returned if the specified trigger does not exist. Destroy the trigger if_dist_exists on the table films: DROP TRIGGER if_dist_exists ON films; The DROP TRIGGER statement in PostgreSQL is incompatible with the SQL standard. In the SQL standard, trigger names are not local to tables, so the command is simply DROP TRIGGER name.