Sun Microsystems Netscape Enterprise Server, Руководство администратора

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Using the Query Operators
428 Netscape Enterprise Server Administrator’s Guide
Table 16.4 Query language operators
Operator Description Examples
AND
Adds mandatory criteria to the search.
Finds documents that have all of the
specified words.
Antarctica AND mountain climb
Finds only documents containing both
Antarctica and mountain climb plus all
the stemmed variants, such as mountain
climbing .
<CONTAINS>
Finds documents containing the
specified words in a document field. The
words must be in the exact same
sequential and contiguous order.
You can use wildcards. Only
alphanumeric values.
Does not rank documents for relevance.
Title <CONTAINS> higher profit
Finds documents containing the phrase
higher profit in the title. Ignores documents
with profits higher in the title.
<ENDS>
Finds documents in which a document
field ends with a certain string of
characters.
Does not rank documents for relevance.
Title <ENDS> draft
Finds documents with titles ending in
draft .
equals (=) Finds documents in which a document
field matches a specific date or numeric
value.
Created = 6-30-96
Finds documents created on June 30, 1996.
greater than (>) Finds documents in which a document
field is greater than a specific date or
numeric value.
Created > 6-30-96
Finds documents created after June 30,
1996.
greater than or
equal to (>=) Finds documents in which a document
field is greater than or equal to a specific
date or numeric value.
Created >= 6-30-96
Finds documents created on or after June
30, 1996.
less than (<) Finds documents in which a document
field is less than a specific date or
numeric value.
Created < 6-30-96
Finds documents created before June 30,
1996.