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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndbxfrm.html
Used with XTS; set to 0 (the default) for CBC mode. Set to 1 for CBC mode (the default), or 2 for XTS. The ndbxfrm utility can be used to decompress, decrypt, and output information about files created by NDB Cluster that are compressed, encrypted, ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-mta.html
Where dependencies cannot be efficiently determined, mysqld falls back to considering transactions dependent for reasons of safety. (See Section 19.1.4.1, “Replication Mode Concepts”.) The writeset implementation employed by MySQL (and NDB ...To ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-configurator-cli.html
MySQL Configurator supports GUI (default) and CLI (by passing in --console) modes using the mysql_configurator.exe executable. action a configure, reconfigure, remove, or upgrade --action=configure Runs MySQL Configurator CLI in new configuration, ...Note MySQL Configurator CLI functionality was added in MySQL Configurator ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-innodb-cluster-introduction.html
An InnoDB Cluster usually runs in a single-primary mode, with one primary instance (read-write) and multiple secondary instances (read-only). Advanced users can also take advantage of a multi-primary mode, where all instances are primaries. Instead, ... This chapter introduces MySQL InnoDB Cluster, which combines MySQL technologies to enable you to deploy and administer a complete integrated high availability solution for ...
https://dev.mysql.com/doc/refman/8.4/en/numeric-type-syntax.html
Warning When you use subtraction between integer values where one is of type UNSIGNED, the result is unsigned unless the NO_UNSIGNED_SUBTRACTION SQL mode is enabled. Exception: If the REAL_AS_FLOAT SQL mode is enabled, REAL is a synonym for FLOAT ...
https://dev.mysql.com/doc/refman/8.4/en/operator-precedence.html
The precedence and meaning of some operators depends on the SQL mode: By default, || is a logical OR operator. Operator precedences are shown in the following list, from highest precedence to the lowest. Operators that are shown together on a line ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-events-transactions-current-table.html
If gtid_mode is either ON or ON_PERMISSIVE, the GTID column changes to the transaction's GTID. If gtid_mode is either OFF or OFF_PERMISSIVE, the GTID column changes to ANONYMOUS. The table stores one row per thread showing the current status of the ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-timing.html
Processor cycle rate might change, such as when a laptop goes into power-saving mode or when a CPU slows down to reduce heat generation. For example, on Pentiums, the instruction is RDTSC (an assembly-language rather than a C instruction) and it is ... Events are collected by means of instrumentation added to the server source ...
https://dev.mysql.com/doc/refman/8.4/en/perror.html
perror displays the error message for MySQL or operating system error codes. For example, for the ER_WRONG_VALUE_FOR_VAR error, perror understands any of these arguments: 1231, 001231, MY-1231, or MY-001231, or ER_WRONG_VALUE_FOR_VAR. The meaning ...
https://dev.mysql.com/doc/refman/8.4/en/problems-with-null.html
Under certain conditions, if you insert NULL into a TIMESTAMP column, the current date and time is inserted; this behavior depends in part on the server SQL mode (see Section 7.1.11, “Server SQL Modes”) as well as the value of the ... The ...