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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-security-mysql-privileges.html
This includes all MySQL privilege types (SELECT privilege, UPDATE privilege, DELETE privilege, and so on) granted on the database, table, and column level. As with any other MySQL Server, user and privilege information is stored in the mysql system ... In this section, we discuss how the MySQL privilege system works in relation to NDB Cluster and the implications of this for keeping an NDB Cluster ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema.html
It is implemented using the PERFORMANCE_SCHEMA storage engine and the performance_schema database. Event collection provides access to information about synchronization calls (such as for mutexes) file and table I/O, table locks, and so forth for ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-backups-mysqldump.html
Because the format of the information is SQL statements, the file can easily be distributed and applied to running servers in the event that you need access to the data in an emergency. Using mysqldump to create a copy of a database enables you to ...Dumps can be easily imported into a MySQL Server instance or a MySQL HeatWave DB System using the MySQL Shell load dump ...
https://dev.mysql.com/doc/refman/8.0/en/show-warnings.html
SHOW WARNINGS [LIMIT [offset,] row_count] SHOW COUNT(*) WARNINGS SHOW WARNINGS is a diagnostic statement that displays information about the conditions (errors, warnings, and notes) resulting from executing a statement in the current session. If ...
https://dev.mysql.com/doc/refman/8.0/en/replication-encrypted-connections.html
To use an encrypted connection for the transfer of the binary log required during replication, both the source and the replica servers must support encrypted network connections. You must obtain (or create) a suitable security certificate that you ...If either server does not support encrypted connections (because it has not been compiled or configured for them), replication through an encrypted connection is not ...
https://dev.mysql.com/doc/refman/8.0/en/server-configuration-defaults.html
For non-Windows platforms, no default option file is created during either the server installation or the data directory initialization process. The MySQL server has many operating parameters, which you can change at server startup using ...To ...
https://dev.mysql.com/doc/refman/8.0/en/handler.html
This statement works for InnoDB tables as well, but there is no such concept because there is no separate data file. If you do not use an alias, but open the table using a table name qualified by the database name, further references must use the ...
https://dev.mysql.com/doc/refman/8.0/en/mysqlbinlog-server-id.html
When invoked with the --read-from-remote-server option, mysqlbinlog connects to a MySQL server, specifies a server ID to identify itself, and requests binary log files from the server. Specify the beginning file and --to-last-log: mysqlbinlog ...It ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-tips.html
Setting max_join_size to 1,000,000 causes multiple-table SELECT statements to produce an error if the server estimates it must examine more than 1,000,000 row combinations. To change the set of key sequences permitted by a given input library, ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-performance.html
Figure 19.3 Using an Additional Replication Source to Improve Performance For this to work, you must configure the MySQL instances as follows: Source 1 is the primary source where all changes and updates are written to the database. If your replicas ...Also, as each replica must receive a full copy of the source's binary log, the network load on the source may also increase and create a ... As the number ...