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https://dev.mysql.com/doc/mysql/en/fulltext-boolean.html
InnoDB full-text search does not support the use of the @ symbol in boolean full-text searches. The @ symbol is reserved for use by the @distance proximity search operator. They do not use the 50% threshold that applies to MyISAM search indexes.
https://stackoverflow.com/questions/3138772/mysql-fulltext-search-with-boolean-operators
Mysql fulltext search with boolean operators. Ask Question Asked 9 years, 5 months ago. Active 9 years, 5 months ago. Viewed 867 times 0. I am trying to search for values with OR and AND ... Browse other questions tagged mysql full-text-search or ask your own question. Blog Preventing the Top Security Weaknesses Found in Stack Overflow Code ...
http://www.egusd.net/franklinhs/techstandards/computer%20tech%20files/booleanlogic.pdf
OpenText: Another powerful search engine with a full set of Boolean operators. Its strength is the ease of searching its full text database of the Web (www only). Lycos: One of the search engine pioneers since 1994. It provides good listings of search results, and allows users to search more than just the Web (www, FTP, Gopher).
https://en.wikipedia.org/wiki/Full-text_search
In text retrieval, full-text search refers to techniques for searching a single computer-stored document or a collection in a full-text database. Full-text search is distinguished from searches based on metadata or on parts of the original texts represented in databases (such as titles, abstracts, selected sections, or bibliographical references).
https://www.lifewire.com/what-does-boolean-search-3481475
A Boolean search is particularly helpful after running an initial search. For instance, if you run a search that returns lots of results that pertain to the words you entered but don't actually reflect what you were looking for, you can start introducing Boolean operators to remove some of those results and explicitly add specific words.
https://www.w3resource.com/mysql/mysql-full-text-search-functions.php
MySQL Full text search: Full-Text Search in MySQL server lets users run full-text queries against character-based data in MySQL tables. There are three types of FULL text search - Natural Language Full-Text Searches, Boolean Full-Text searches, Query expansion searches . The full-text index can include one or more character-based columns in the table.
https://www.quora.com/Google-does-not-support-full-Boolean-logic-no-parenthesis-operator-Does-that-mean-a-OR-b-c-OR-d-will-always-yield-search-result-that-includes-b-c-because-Google-recognizes-it-as-a-OR-b-AND-c-OR-d
When you send Google.com a query string, all the query terms are implicitly "AND"-ed together. (Some older search engines in the 90s required explicit "AND" or "+" but Google did not.) If you put an "OR" or "" (pipe) between two query terms, it a...
https://dev.mysql.com/doc/refman/5.7/en/fulltext-search.html
Full-text searches are natural language searches if the IN NATURAL LANGUAGE MODE modifier is given or if no modifier is given. For more information, see Section 12.9.1, “Natural Language Full-Text Searches”. A boolean search interprets the search string using the rules of a special query language.
https://quizlet.com/222295178/ite-119-h04-mod-1-2-3-4-quizzes-flash-cards/
Search for information sources to support your topic Narrow your topic) Search for and read background information ... c. Full text search. b. Subject search. ... called _____, uses Boolean operators combined with parentheses to conduct complex searches. a. Multi-searching b. Advanced searching
http://guides.library.ucla.edu/databases/techniques
Sep 24, 2019 · Limiting to Full Text. Databases that contain a mix of full-text and index-only content, often have a checkbox limit for full-text only—like both of the pictured examples here. Don't use it! The problem is that even if this database doesn't have the full-text online, some other database may. That's what UC-eLinks is for!
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