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Trigger may refer to:

• Trigger function, in event-driven programming

• Database trigger, procedural code that is automatically executed in response to certain events
  • “Trigger, generally speaking, is the cause of an event. In a database management system (DBMS), a trigger is an SQL procedure that is executed when a record is [added or deleted. It is used to maintain referential integrity in the database. A trigger may also execute a stored procedure. Triggers and stored procedures are built into DBMSs used in client/server environments.” Fair Use Source: http://www.labautopedia.org/mw/List_of_programming_and_computer_science_terms

• Image trigger, a device used in high speed cameras
• Trigger (firearms), a mechanism that actuates the firing of firearms
• Dead man's trigger, a safety device that activates safeguards if the operator is incapacitated
• Flip-flop (electronics), called a trigger circuit by IBM

• Trigger (horse), owned by cowboy star Roy Rogers
• Trauma trigger, an event causing traumatic memories or feelings to resurface
• Trigger (game controller), a button on some game controllers

• SQL
• event-driven

• Trigger
• Trigger

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