MYSQL Search Query Examples - Exact VS Like VS Fuzzy

0-MYSQL-SEARCH.MD

MYSQL SEARCH QUERY EXAMPLES - EXACT, LIKE, FUZZY

https://code-boxx.com/mysql-search-exact-like-fuzzy/

LICENSE

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1-exact.sql

-- (A) CAPTAIN OBVIOUS EXACT SEARCH
SELECT * FROM `articles` WHERE `article_id`=1;

-- (B) EXACT MATCH, CASE INSENSITIVE
SELECT * FROM `articles` WHERE `article_title`="the smoke flame";

-- (C) EXACT MATCH, CASE SENSITIVE
-- CREDIT: https://stackoverflow.com/questions/5629111/how-can-i-make-sql-case-sensitive-string-comparison-on-mysql
SELECT * FROM `articles` WHERE `article_title`= BINARY "The Smoke Flame";

2-like.sql

-- (A) CONTAIN "SECRET" ANYWHERE
SELECT * FROM `articles` WHERE `article_title` LIKE "%secret%";

-- (B) MUST START WITH "SECRET"
SELECT * FROM `articles` WHERE `article_title` LIKE "secret%";

-- (C) MUST END WITH wITH "SECRET HAND"
SELECT * FROM `articles` WHERE `article_title` LIKE "%secret hand";

-- (D) CASE SENSITIVE
SELECT * FROM `articles` WHERE `article_title` LIKE BINARY "%Secret%";

3-fuzzy.sql

-- (A) FUZZY SEARCH
SELECT * FROM `articles` WHERE MATCH(`article_text`)
AGAINST("difficulty ham" IN NATURAL LANGUAGE MODE);

-- (B) MATCH SCORE
SELECT `article_title`,
  MATCH(`article_text`)
  AGAINST("difficulty ham" IN NATURAL LANGUAGE MODE)
  AS `score`
FROM `articles`
WHERE
  MATCH(`article_text`)
  AGAINST("difficulty ham" IN NATURAL LANGUAGE MODE);

4-multiple.sql

-- (A) EITHER TITLE *OR* TEXT MUST CONTAIN "SECRET"
SELECT * FROM `articles` WHERE
  `article_title` LIKE "%secret%"
  OR `article_text` LIKE "%secret%"

-- (B) BOTH TITLE *AND* TEXT MUST CONTAIN "SECRET"
SELECT * FROM `articles` WHERE
  `article_title` LIKE "%secret%"
  AND `article_text` LIKE "%secret%"

x-articles.sql

-- (A) ARTICLES TABLE
CREATE TABLE `articles` (
  `article_id` bigint(20) NOT NULL,
  `article_title` varchar(255) NOT NULL,
  `article_text` text NOT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;

ALTER TABLE `articles`
  ADD PRIMARY KEY (`article_id`),
  ADD KEY `article_title` (`article_title`),
  ADD FULLTEXT KEY `article_text` (`article_text`);

ALTER TABLE `articles`
  MODIFY `article_id` bigint(20) NOT NULL AUTO_INCREMENT;

-- (B) DUMMY ENTRIES
INSERT INTO `articles` (`article_id`, `article_title`, `article_text`) VALUES
(1, 'Secret of the Voiceless Ringmaster', 'Unpacked reserved sir offering bed friends judgment may and quitting speaking. Is do be improved raptures offering required in replying raillery.'),
(2, 'The Smoke Flame', 'Stairs ladies friend by in mutual a no. Mr hence chief he causes. Whole no doors on hoped. Mile tells if help they ye full name. '),
(3, 'Sign of the Secret Hand', 'May indulgence difficulty ham can put especially. Bringing remember for supplied her why was confined.');