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https://dev.mysql.com/doc/refman/8.4/en/switchable-optimizations.html
For batched_key_access to have any effect when set to on, the mrr flag must also be on. Its value is a set of flags, each of which has a value of on or off to indicate whether the corresponding optimizer behavior is enabled or disabled. This ...
https://dev.mysql.com/doc/refman/8.4/en/upgrade-troubleshooting.html
If problems occur, such as that the new mysqld server does not start, verify that you do not have an old my.cnf file from your previous installation. If this command displays anything other than the program name, you have an active my.cnf file that ... A schema mismatch in a MySQL 8.3 instance between the .frm file of a table and the InnoDB data dictionary can cause an upgrade to MySQL 8.4 to ...
https://dev.mysql.com/doc/refman/8.4/en/user-names.html
An account may also have authentication credentials such as a password. 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/8.4/en/using-system-variables.html
System variables may also be installed by server plugins or components: System variables implemented by a server plugin are exposed when the plugin is installed and have names that begin with the plugin name. System variables implemented by a ...
https://dev.mysql.com/doc/refman/8.4/en/version-tokens-usage.html
Groups serve different purposes, and servers within each group may have different assignments. The Version Tokens token-manipulation functions place these constraints on token names and values: Token names cannot contain = or ; characters and have a ... Before using Version Tokens, install it according to the instructions provided at Section 7.6.6.2, “Installing or Uninstalling Version ...
https://dev.mysql.com/doc/refman/8.4/en/windows-start-service.html
Dismiss this dialogue, and each dialogue in turn, by clicking OK until all of the dialogues that were opened have been dismissed. If no --defaults-file option had been given, this command would have the effect of causing the server to read the ...
https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-6.html
(Bug #37764717) Binary packages that include curl rather than linking to the system curl library have been upgraded to use curl 8.14.1. The Fedora 42 RPM installation packages have been adapted to accommodate the merged /usr/bin and /usr/sbin ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/advanced.point.html
The last backup in the backup series you have taken include in itself the relevant binary log files. When finished, note the binary log position to which you have restored the server. You can restore your database server to its state at an ...
https://dev.mysql.com/doc/mysql-enterprise-backup/8.4/en/bugs.backup.html
However, if the name of the file does not have an extension, it will cause mysqlbackup to throw an error when it tries to restore the backup to a server. Cloud operations by MySQL Enterprise Backup are not supported on macOS or Windows platforms, ...
https://dev.mysql.com/doc/mysql-cluster-manager/8.4/en/mcm-client-commands.html
Most command options have short forms, consisting of single letters, in addition to their long forms. These commands are issued to the management agent using the mysql client program included with the MySQL NDB Cluster distribution (for information ...