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https://dev.mysql.com/doc/refman/8.0/en/data-dictionary-schema.html
Generally, the difference between MySQL data dictionary tables and system tables is that data dictionary tables contain metadata required to execute SQL queries, whereas system tables contain auxiliary data such as time zone and help information.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-install-first-start.html
Starting the cluster is not very difficult after it has been configured. Each cluster node process must be started separately, and on the host where it resides. This option requires that --initial or --reload also be specified; see Section 25.5.4, ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-natural-language.html
This causes no additional overhead, because the MySQL optimizer notices that the two MATCH() calls are identical and invokes the full-text search code only once. | 1.5219271183014 | | 6 | When configured properly, MySQL ... The MySQL FULLTEXT ... By ...
https://dev.mysql.com/doc/refman/8.0/en/hash-joins.html
By default, MySQL (8.0.18 and later) employs hash joins whenever possible. Note MySQL 8.0.18 supported setting a hash_join flag in optimizer_switch, as well as the optimizer hints HASH_JOIN and NO_HASH_JOIN. In MySQL 8.0.19 and later, none of these ...It is possible to control whether hash joins are employed using one of the BNL and NO_BNL optimizer hints, or by setting block_nested_loop=on or block_nested_loop=off as part of the setting for the optimizer_switch server system ...
https://dev.mysql.com/doc/refman/8.0/en/user-names.html
MySQL stores accounts in the user table of the mysql system database. There are several distinctions between the way user names and passwords are used by MySQL and your operating system: User names, as used by MySQL for authentication purposes, ...
https://dev.mysql.com/doc/refman/8.0/en/apache.html
There are programs that let you authenticate your users from a MySQL database and also let you write your log files into a MySQL table.
https://dev.mysql.com/doc/refman/8.0/en/apis-ruby-rubymysql.html
The Ruby/MySQL module provides access to MySQL databases using Ruby through a native driver interface using the MySQL network protocol. For information on installing the module, and the functions exposed, see Ruby/MySQL.
https://dev.mysql.com/doc/refman/8.0/en/connector-cpp-info.html
The MySQL Connector/C++ manual is published in standalone form, not as part of the MySQL Reference Manual. For information, see these documents: Main manual: MySQL Connector/C++ 9.4 Developer Guide Release notes: MySQL Connector/C++ Release Notes .
https://dev.mysql.com/doc/refman/8.0/en/connector-j-info.html
The MySQL Connector/J manual is published in standalone form, not as part of the MySQL Reference Manual. For information, see these documents: Main manual: MySQL Connector/J Developer Guide Release notes: MySQL Connector/J Release Notes .
https://dev.mysql.com/doc/refman/8.0/en/connector-net-info.html
The MySQL Connector/NET manual is published in standalone form, not as part of the MySQL Reference Manual. For information, see these documents: Main manual: MySQL Connector/NET Developer Guide Release notes: MySQL Connector/NET Release Notes .