meaning of triggers

1. A catch to hold the wheel of a carriage on a declivity.
2. A piece, as a lever, which is connected with a catch or detent as a means of releasing it; especially (Firearms), the part of a lock which is moved by the finger to release the cock and discharge the piece.
3. trigger An action causing the automatic invocation of a procedure, for instance to preserve referential integrity. A triggers goes into effect when a user attempts to modify data with an insert, delete, or update command. A trigger can instruct the system to take any number of actions when a specified change is attempted. By preventing incorrect, unauthorized, or inconsistent changes to data, triggers help maintain the integrity of the database. [Sybase SQL Server Release 10. 0 Transact-SQL Users Guide].
4. an act that sets in motion some course of events

Related Words

trigger | trigger finger | trigger off | trigger-happy | triggerfish | triggerman |

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