<database design> 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 User's Guide].

(01 Feb 1995)

trigeminy, trigenic, trigenolline, trigesimo-secundo < Prev | Next > trigger, trigger area, triggered activity

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1. A catch to hold the wheel of a carriage on a declivity.

2., the part of a lock which is moved by the finger to release the cock and discharge the piece.

<zoology> Trigger fish, a large plectognath fish (Balistes Carolinensis or B. Capriscus) common on the southern coast of the United States, and valued as a food fish in some localities. Its rough skin is used for scouring and polishing in the place of sandpaper.

Synonyms: leather jacket, and turbot.

Origin: For older tricker, from D. Trekker, fr. Trekken to draw, pull. See Trick.

(01 Mar 1998)

trigenic, trigenolline, trigesimo-secundo, trigger < Prev | Next > trigger area, triggered activity, trigger finger

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