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How to do a search like a pro
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| Guest post by: charles carrico |
Article Overview: Many of The following examples -demonstrate some search types that will Active Search Results supports. apple Oranges 1 Find rows that contain at least one of the two words. +Oranges +juice 2 Find rows that contain both words. +Valencia Oranges
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How to do a search like a pro
The following examples -demonstrate some search types that will Active Search Results supports.
apple Oranges
1 Find rows that contain at least one of the two words.
+Oranges +juice
2 Find rows that contain both words.
+Valencia Oranges
3 Find rows that contain the word “California”, but rank rows higher if they also contain “Oranges”.
+California -Oranges
4 Find rows that contain the word “California” but not “Oranges”.
+California ~Oranges
5 Find rows that will contain the word “Oranges”, but if the row also contains the word “California”,
this will rate it lower than if row does not have it. This is “softer” than a total search for
'+apple -macintosh', for which
the presence of “macintosh” causes the row not to be returned at all.
+apple +(>Oranges
6 Find [rows] which contain the words “apple” and “turnover”, or “apple” and “strudel” (in any order),
but that ranks “apple turnover” higher than “apple strudel”.
7 Find all the [rows] that contain [words] such as “apple”, “apples”, “applesauce”, or “applet”.
"some words"
8 Find [rows] that will contain the exact phrase “some words” (for example, [rows] that contain “some words
of wisdom” but not “some noise words”). Note that the “"” characters that [enclose] the [phrase] are
operator characters that delimit the total phrase. They are not all the [quotes] that enclose the search string itself.
Details:
The + and - operators will indicate that a [word] is required to be present or be absent, respectively, for a
match to happen.
Active Search Results will support the following engine search operators:
+ A leading [plus sign] indicates that this [word] will be present in each [row] that is returned.
- A leading [minus] sign will indicates that this [word] will not be present in any of the [rows] that are returned.
Note: The - operator acts to only to exclude [rows] that are otherwise matched by many other search terms.
Thus, a boolean-mode total search that contains only terms preceded by - returns will be an empty result. It does
not return “all [rows] except the ones containing any of the excluded terms.”
(no operator) By default (when neither + nor - is specified) the [word] will be optional, but the [rows] that
contain it are rated higher. This will mimics the behavior of MATCH() ... AGAINST() without the IN BOOLEAN
MODE modifier.
> < These two operators can be used to change a [word's] contribution to the relevance value that is
assigned to a [row]. The > operator increases the total contribution and the < operator decreases it.
See the example that following this list.
( ) Parentheses group [words] into subexpressions. Parenthesized [groups] can also be nested.
~ A leading tilde can act as a negation operator, causing the [word's] contribution to the [row's ]
relevance to be also negative. This is very useful for marking “noise” [words]. A [row] containing such a [word] is
rated lower than many others, but may not be excluded altogether, as it would be with the - operator.
* The asterisk will serve as the truncation (or wildcard) operator. Unlike all the other operators,
it should be appended to the [word] to be affected. [Words ]match if they begin with the [word] preceding
the * operator.
If a stopword or too-short [word] is specified with the truncation operator, it will not be stripped from
a boolean query. For example, a [search] for '+word +stopword*' will most ikely return fewer [rows] than a
total search for '+word +stopword' because the first former [query] remains as is and requires stopword* to be
present in all document. The latter query will be transformed to [+word.]
" A phrase that is [enclosed] within the double quote (“"”) characters will matches only [rows] that contain
the phrase literally, as it was the [first] typed. alsoThe full-text engine search splits the phrase into [words], performs
also as a search in the FULLTEXT index for the [words]. Nonword characters will not be matched exactly: Phrase engine
searching will require only that the matches will contain exactly the same [words] as the first phrase and in the same order.
For example, ["test phrase"][ will matche "test, phrase".
If the phrase will contain no [words[ that are in the index], the result will be empty. For example, if all the [words ]
are either stopwords or shorter than the total minimum length of indexed [words], the result will be empty.
Article Tags: active search, engine search, search, search engine, Search Results, search types
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About the Author: charles carrico RSS for charles's articles - Visit charles's website Charles Carrico is also a entrepreneur, freelance writer and provides tips about blogs,articles,marketing,traffic,emails,and much more-- to position companies and organization for substantial success. Doing Biz. at http://www.shopsellsafe.com Click here to visit charles's website Have you ever used a press kit When is health insurance important Classified SitesHelping Buyers and Sellers To Buy or Sell on Ebay for Profit Ways to Manage Your company Contacts |
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