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https://dev.mysql.com/doc/refman/5.7/en/selinux-context-mysql-feature-ports.html
Setting the TCP Port Context for Group Replication If SELinux is enabled, you must set the port context for the Group Replication communication port, which is defined by the group_replication_local_address variable. mysqld must be able to bind to ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-source.html
When Group Replication is started on a server, the value of auto_increment_increment is changed to the value of group_replication_auto_increment_increment, which defaults to 7, and the value of auto_increment_offset is changed to the server ID. If ... This section describes the server options and system variables that you can use on replication source ...
https://dev.mysql.com/doc/refman/5.7/en/switchable-optimizations.html
The following list describes the permissible opt_name flag names, grouped by optimization strategy: Batched Key Access Flags batched_key_access (default off) Controls use of BKA join algorithm. Limit Optimization Flags prefer_ordering_index (default ...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 ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-examples.html
For NDB tables, it is also possible to change the storage type used for a table or column. row *************************** Table: t1 Create Table: CREATE TABLE `t2` ( `c1` int(11) DEFAULT NULL ) /*!50100 TABLESPACE ts_1 STORAGE DISK */ ...
https://dev.mysql.com/doc/refman/5.7/en/date-calculations.html
MySQL provides several functions that you can use to perform calculations on dates, for example, to calculate ages or extract parts of dates. To determine how many years old each of your pets is, use the TIMESTAMPDIFF() function. Its arguments are ...
https://dev.mysql.com/doc/refman/5.7/en/docker-mysql-more-topics.html
A MySQL Docker installation is different from a common, non-Docker installation in the following aspects: Included binaries are limited to: /usr/bin/my_print_defaults /usr/bin/mysql /usr/bin/mysql_config /usr/bin/mysql_install_db ...
https://dev.mysql.com/doc/refman/5.7/en/entering-queries.html
Make sure that you are connected to the server, as discussed in the previous section. Doing so does not in itself select any database to work with, but that is okay. At this point, it is more important to find out a little about how to issue ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-buffer-pool.html
The buffer pool is an area in main memory where InnoDB caches table and index data as it is accessed. The buffer pool permits frequently used data to be accessed directly from memory, which speeds up processing. On dedicated servers, up to 80% of ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-file-per-table-tablespaces.html
A file-per-table tablespace contains data and indexes for a single InnoDB table, and is stored on the file system in a single data file. File-per-table tablespace characteristics are described under the following topics in this section: ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-purge-configuration.html
InnoDB does not physically remove a row from the database immediately when you delete it with an SQL statement. A row and its index records are only physically removed when InnoDB discards the undo log record written for the deletion. This removal ...