trimmer

n 1: a machine that trims timber

2: variable capacitance; used for making fine adjustments [syn:

{trimming capacitor}]

3: receives the end of a header in floor or roof framing in

order to leave an opening for a staircase or chimney etc.

[syn: {trimmer joist}]

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 User's Guide].

(1995-02-22)