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What are FULLTEXT indexes and when are they used?

Junior MySQL
Quick Answer FULLTEXT indexes enable natural language text search. Supported on TEXT, VARCHAR, CHAR columns in InnoDB (MySQL 5.6+). Create: CREATE FULLTEXT INDEX idx ON articles(title, body). Query: WHERE MATCH(title, body) AGAINST("search terms" IN BOOLEAN MODE). Much faster than LIKE "%term%" for text search. Supports relevance ranking. Not suitable for partial word matching or complex linguistic analysis.

Answer

FULLTEXT indexes speed up text searching and support natural language and boolean search modes.
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This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.

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