Database Searching: "Reserved" or "Stop" Words and Symbols
Definition
"Reserved"
or
"Stop"
words and symbols
are words or (typed) symbols that are not searched on.
"Stop"
words and symbols are ones that are generally ignored by the database software.
"Reserved"
words and symbols are ones that have specific uses in a database.
Examples
Typical
"reserved"
or
"stop"
words are the common articles (
the
,
an
,
a
,
and
).
Typical
"reserved"
or
"stop"
symbols are:
=
,
+
, and
*
.
Other very common words may be
"reserved"
or
"stop"
words. Examples include:
as
,
of
,
on
,
that
.
Generally, punctuation marks such as the period, comma, exclamation mark, question mark are also ignored.
Why these words and symbols are not searched on
They are so common.
They have special uses in a database
"
and
," for example, is used as a Boolean operator
The question mark (
?
) is often used as a truncation operator or wild card.
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