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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-replication-starting.html
It is also necessary in NDB 8.0 to enable logging of updates to NDB tables explicitly, using the --ndb-log-bin option; this is a change from previous versions of NDB Cluster, in which this option was enabled by default. This section outlines the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-commands.html
rehash, \# Rebuild the completion hash that enables database, table, and column name completion while you are entering statements. mysql sends each SQL statement that you issue to the server to be executed. There is also a set of commands that ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-enterprise-audit.html
The log contents include when clients connect and disconnect, and what actions they perform while connected, such as which databases and tables they access. MySQL Enterprise Edition includes MySQL Enterprise Audit, implemented using a server plugin. MySQL Enterprise Audit uses the open MySQL Audit API to enable standard, policy-based monitoring and logging of connection and query activity executed on specific MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-gr-memory-monitoring-ps-instruments.html
From MySQL 8.0.30, Performance Schema provides instrumentation for performance monitoring of Group Replication memory usage. The memory/group_rpl/ Performance Schema instrumentation was updated in 8.0.30 to extend monitoring of Group Replication ...
https://dev.mysql.com/doc/refman/8.0/en/mysql.html
When used interactively, query results are presented in an ASCII-table format. mysql is a simple SQL shell with input line editing capabilities. When used noninteractively (for example, as a filter), the result is presented in tab-separated format.
https://dev.mysql.com/doc/refman/8.0/en/mysqld-server.html
There are performance and reliability considerations depending on the type of table (transactional or nontransactional) and whether you use replication. The following discussion covers these MySQL server configuration topics: Startup options that ...
https://dev.mysql.com/doc/refman/8.0/en/mysqldumpslow.html
The MySQL slow query log contains information about queries that take a long time to execute (see Section 7.4.5, “The Slow Query Log”). mysqldumpslow parses MySQL slow query log files and summarizes their contents. Normally, mysqldumpslow ...
https://dev.mysql.com/doc/refman/8.0/en/non-typed-operators.html
->> Return value from JSON column after evaluating path and unquoting the result; equivalent to JSON_UNQUOTE(JSON_EXTRACT()). / Division operator := Assign a value = Assign a value (as part of a SET statement, or as part of the SET clause in an ...
https://dev.mysql.com/doc/refman/8.0/en/numeric-functions.html
Table 14.8 Numeric Functions and Operators Name Description %, MOD Modulo operator * Multiplication operator + Addition operator - Minus operator - Change the sign of the argument / Division operator ABS() Return the absolute value ACOS() Return ...
https://dev.mysql.com/doc/refman/8.0/en/numeric-types.html
The BIT data type stores bit values and is supported for MyISAM, MEMORY, InnoDB, and NDB tables. These types include the exact numeric data types (INTEGER, SMALLINT, DECIMAL, and NUMERIC), as well as the approximate numeric data types (FLOAT, REAL, ...