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https://dev.mysql.com/doc/internals/en/full-text-search.html
MySQL uses Ranking with Vector Spaces for ordinary full-text queries. Rank, also known as relevance rank, also known as relevance measure, is a number that tells us how good a match is. Vector Space, which MySQL sometimes calls "natural language", ...
https://dev.mysql.com/doc/refman/8.4/en/information-schema-innodb-ft-default-stopword-table.html
The INNODB_FT_DEFAULT_STOPWORD table holds a list of stopwords that are used by default when creating a FULLTEXT index on InnoDB tables. For information about the default InnoDB stopword list and how to define your own stopword lists, see Section ...
https://dev.mysql.com/doc/refman/8.4/en/optimizing-innodb-bulk-data-loading.html
These performance tips supplement the general guidelines for fast inserts in Section 10.2.5.1, “Optimizing INSERT Statements”. When importing data into InnoDB, turn off autocommit mode, because it performs a log flush to disk for every insert.
https://dev.mysql.com/doc/extending-mysql/8.4/en/plugin-types.html
The plugin API enables creation of plugins that implement several capabilities: Loadable functions (UDFs) Storage engines Full-text parsers Daemons INFORMATION_SCHEMA tables Semisynchronous replication Auditing Authentication Password validation ...
MySQL 8.4 Reference Manual :: A.11 MySQL 8.4 FAQ: MySQL Chinese, Japanese, and Korean Character Sets
https://dev.mysql.com/doc/refman/8.4/en/faqs-cjk.html
This set of Frequently Asked Questions derives from the experience of MySQL's Support and Development groups in handling many inquiries about CJK (Chinese-Japanese-Korean) issues. What problems should I be aware of when working with the Big5 ...
https://dev.mysql.com/doc/workbench/en/wb-performance-explain.html
The visual explain feature generates and displays a visual representation of the MySQL EXPLAIN statement by using extended information available in the extended JSON format. MySQL Workbench provides all of the EXPLAIN formats for executed queries ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-changelog-13-2-4-0-0.html
Important As of this release, 13.2.4.0.0, MySQL 8 is supported. It is not possible to monitor MySQL 8 with earlier versions of Oracle Enterprise Manager for MySQL Database. For more information on the variables added and removed in MySQL 8, see ...
https://dev.mysql.com/doc/refman/8.4/en/index-hints.html
Index hints give the optimizer information about how to choose indexes during query processing. Index hints, described here, differ from optimizer hints, described in Section 10.9.3, “Optimizer Hints”. They also work with multi-table DELETE ...
https://dev.mysql.com/doc/refman/8.4/en/myisam-ftdump.html
It reads the MyISAM index file directly, so it must be run on the server host where the table is located. Before using myisam_ftdump, be sure to issue a FLUSH TABLES statement first if the server is running. myisam_ftdump scans and dumps the entire ...
https://dev.mysql.com/doc/mysql-em-plugin/en/myoem-config-metric-myisamfulltext-category.html
Lists the Myisam Full Text configuration metrics and provides a brief description of each. Table 7.22 Myisam Full Text Configuration Metrics NameDescriptionBoolean Syntax The list of operators supported by boolean full-text searches performed using ...