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https://dev.mysql.com/doc/refman/8.4/en/manual-info.html
This is the Reference Manual for the MySQL Database System, version 8.4, through release 8.4.6. Differences between minor versions of MySQL 8.4 are noted in the present text with reference to release numbers (8.4.x). This manual is not intended for ...
https://dev.mysql.com/doc/refman/8.4/en/miscellaneous-functions.html
The function return value and type are the same as the return value and type of its argument, but the function result is not checked for the ONLY_FULL_GROUP_BY SQL mode. As a result, the address value for rows within each name group is ...
https://dev.mysql.com/doc/refman/8.4/en/multiple-data-directories.html
This may lead to unpleasant surprises if your operating system does not support fault-free system locking. Each MySQL Instance on a machine should have its own data directory. There are different methods of setting up a data directory for a new ...
https://dev.mysql.com/doc/refman/8.4/en/myisamchk.html
The myisamchk utility gets information about your database tables or checks, repairs, or optimizes them. myisamchk works with MyISAM tables (tables that have .MYD and .MYI files for storing data and indexes). You can also use the CHECK TABLE and ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-importing-data.html
Otherwise, it is possible for later statements in same session may also be executed without enforcing transactions or foreign key constraints, and which could lead to data inconcsistency. It is common when setting up a new instance of NDB Cluster ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-mgm-client-commands.html
mgm#1: PROMPT mymgm > mymgm > PROMPT 'mymgm:' 'mymgm:' PROMPT mymgm: mymgm: PROMPT ndb_mgm> EXIT $> Note that leading spaces and spaces within the prompt string are not trimmed. In addition to the central configuration file, a cluster may also be ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-options-variables.html
It is safe to use this variable with transactions that performs writes only, as having it enabled can lead to reads from the “before” image. This section provides information about MySQL server options, server and status variables that are ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-overview-requirements.html
One of the strengths of NDB Cluster is that it can be run on commodity hardware and has no unusual requirements in this regard, other than for large amounts of RAM, due to the fact that all live data storage is done in memory. (It is possible to ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-programs-ndb-restore.html
An insufficient amount of this bandwidth can lead to redo buffer overload or log overload errors. The NDB Cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication-schema.html
This can lead to performance issues when trying to fail over, since the query must perform a table scan, especially when the source has been running with --ndb-log-empty-epochs=ON. ndb_apply_status Table ndb_binlog_index Table ndb_replication Table ...