Full-text search index MySQL ?

MySQL Interview Queries  MySQL  Database 

The full-text index is an index of FULLTEXT type, it can be used only with InnoDB or MyISAM table Storage Engine,
and support only for CHAR, VARCHAR, or TEXT columns.

Full-Text Search Functions

  1. Natural Language Full-Text Searches
  2. Boolean Full-Text Searches
  3. Full-Text Searches with Query Expansion

Syntax

MATCH (col1,col2,col3,...) AGAINST (expr [search_modifier])
search_modifier:
  {
      IN NATURAL LANGUAGE MODE
     | IN NATURAL LANGUAGE MODE WITH QUERY EXPANSION
     | IN BOOLEAN MODE
     | WITH QUERY EXPANSION
  }

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