Reference & Manual > Glossary > Q 0-9| A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Query
A request for information from a database. There are three general methods
for posing queries:
(1) Choosing parameters from a menu: In this method, the database system
presents a list of parameters from which you can choose.
(2) Query by example (QBE): In this method, the system presents a blank record
and lets you specify the fields and values that define the query.
(3) Query language: Many database systems require you to make requests for
information in the form of a stylized query that must be written in a special
query language.
Quick Time
QuickTime is a plug-in that allows a browser to display content saved in
QuickTime format. This includes sound, and moving imagery such as
video.QuickTime is an authoring environment for interactive development with
applications such as QuickTime VR (Virtual Reality) which combines images to
create the illusion of 3 dimensional space.
|