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Full-text searching is performed using MATCH() AGAINST() syntax. MATCH() takes a comma-separated list that names the columns to be searched. AGAINST takes a string to search for, and an optional modifier that indicates what type of search to perform.
- 8.0 Japanese
mysql では、次のような全文インデックス設定および検索がサポートされています。 MySQL の全文インデックスは、型...
- String Functions and Operators
String-valued functions return NULL if the length of the...
- Regular Expressions
MySQL implements regular expression support using...
- Ngram Full-Text Parser
The ngram full-text parser is a built-in server plugin. As...
- Natural Language Full-Text Searches
The MySQL FULLTEXT implementation regards any sequence of...
- 8.0 Japanese
MySQL full-text search is an efficient way to perform complex searches within the text data stored in the database. The MySQL full-text search allows you to search natural language text rather than matching patterns. It goes beyond the traditional LIKE operator and regular expression searches.
The MySQL FULLTEXT implementation regards any sequence of true word characters (letters, digits, and underscores) as a word. That sequence may also contain apostrophes ('), but not more than one in a row. This means that aaa'bbb is regarded as one word, but aaa''bbb is regarded as two words.
16 mar 2021 · MySQL usually needs to perform a full-table scan to identify records matching your query. Full-text queries use a specially created index to improve performance. This also enables MySQL to keep track of the words within your dataset, facilitating the natural language search.
26 maj 2023 · To create a full-text search you must create a full text index on each column you want to be indexed. In MySQL it is done through FULLTEXT keyword. MySQL creates a full-text search from text data and lookup on this index using an algorithm to determine rows that matches against the search query.
MySQL full-text index is a kind of index that allows you to perform efficient text searches. The full-text index has the type of FULLTEXT. MySQL supports full-text indexes for InnoDB or MyISAM tables with CHAR, VARCHAR, and TEXT columns.
26 mar 2021 · How does the Full-Text Search in MySQL work? To use full-text search in MySQL you need to use full-text indexes and the MATCH function. The full-text index is FULLTEXT. Mysql supports full-text indexes on MyISAM tables. InnoDB support has been added since version 5.6.4.
