{"id":8222,"date":"2024-03-14T07:45:08","date_gmt":"2024-03-14T07:45:08","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-are-some-ways-to-use-fuzzy-queries-in-mysql\/"},"modified":"2025-08-03T02:05:52","modified_gmt":"2025-08-03T02:05:52","slug":"what-are-some-ways-to-use-fuzzy-queries-in-mysql","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-are-some-ways-to-use-fuzzy-queries-in-mysql\/","title":{"rendered":"MySQL Fuzzy Queries: Wildcards Explained"},"content":{"rendered":"

The main method of conducting MySQL fuzzy searches is through the use of wildcards, with common wildcards including:<\/p>\n

    \n
  1. %: represents any character appearing 0 or more times.<\/li>\n
  2. “_ : represents any single character”<\/li>\n
  3. [charlist]: Represents a character in the specified set of characters.<\/li>\n
  4. [^charlist]: denotes a character that is not in the specified character set<\/li>\n<\/ol>\n

    Common usage of fuzzy queries includes:<\/p>\n

      \n
    1. Search for records that begin with a specific character or string:<\/li>\n<\/ol>\n
      SELECT<\/span> *<\/span> FROM<\/span> table_name WHERE<\/span> column_name LIKE<\/span> 'prefix%'<\/span>;\r\n<\/code><\/pre>\n
        \n
      1. Search for records that end with a specific character or string.<\/li>\n<\/ol>\n
        SELECT<\/span> *<\/span> FROM<\/span> table_name WHERE<\/span> column_name LIKE<\/span> '%suffix'<\/span>;\r\n<\/code><\/pre>\n
          \n
        1. Search for records containing specific characters or strings.<\/li>\n<\/ol>\n
          SELECT<\/span> *<\/span> FROM<\/span> table_name WHERE<\/span> column_name LIKE<\/span> '%keyword%'<\/span>;\r\n<\/code><\/pre>\n
            \n
          1. Querying characters or strings of specified length using wildcard _.<\/li>\n<\/ol>\n
            SELECT<\/span> *<\/span> FROM<\/span> table_name WHERE<\/span> column_name LIKE<\/span> '______'<\/span>; -- \u67e5\u8be2\u957f\u5ea6\u4e3a6\u7684\u5b57\u7b26\u4e32<\/span>\r\n<\/code><\/pre>\n
              \n
            1. Search for records that contain specified character sets using wildcards [charlist] and [^charlist].<\/li>\n<\/ol>\n
              SELECT<\/span> *<\/span> FROM<\/span> table_name WHERE<\/span> column_name LIKE<\/span> '[abc]%'<\/span>; -- \u67e5\u8be2\u4ee5a\u3001b\u6216c\u5f00\u5934\u7684\u8bb0\u5f55<\/span>\r\nSELECT<\/span> *<\/span> FROM<\/span> table_name WHERE<\/span> column_name LIKE<\/span> '[^abc]%'<\/span>; -- \u67e5\u8be2\u4e0d\u4ee5a\u3001b\u6216c\u5f00\u5934\u7684\u8bb0\u5f55<\/span>\r\n<\/code><\/pre>\n
              It is important to note that when using fuzzy queries, make sure the field type of the table is a string type, or else errors may occur.<\/p>\n","protected":false},"excerpt":{"rendered":"
              The main method of conducting MySQL fuzzy searches is through the use of wildcards, with common wildcards including: %: represents any character appearing 0 or more times. “_ : represents any single character” [charlist]: Represents a character in the specified set of characters. [^charlist]: denotes a character that is not in the specified character set […]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[284,10934,298,1845,7063],"class_list":["post-8222","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-database","tag-fuzzy-queries","tag-mysql","tag-sql-queries","tag-wildcards"],"yoast_head":"\nMySQL Fuzzy Queries: Wildcards Explained - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Learn how to use wildcards for effective MySQL fuzzy queries. 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