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https://dev.mysql.com/doc/refman/8.0/en/replication-mode-change-online-concepts.html
Before setting the replication mode of an online server, it is important to understand some key concepts of replication. This section explains these concepts and is essential reading before attempting to modify the replication mode of an online ...
https://dev.mysql.com/doc/refman/8.0/en/reusing-ssl-sessions.html
Server-Side Runtime Configuration and Monitoring for SSL Session Reuse Client-Side Configuration for SSL Session Reuse Each full TLS exchange can be costly both in terms of computation and network overhead, less costly if TLSv1.3 is used. As of ...
https://dev.mysql.com/doc/refman/8.0/en/starting-server-troubleshooting.html
Log files are located in the data directory (typically C:\Program Files\MySQL\MySQL Server 8.0\data on Windows, /usr/local/mysql/data for a Unix/Linux binary distribution, and /usr/local/var for a Unix/Linux source distribution). Look in the data ...
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. In this section, we discuss how the MySQL privilege system works in relation to NDB Cluster ...It is important to keep in mind that, by default, the MySQL grant tables use the InnoDB storage ...
https://dev.mysql.com/doc/refman/8.0/en/replication-asynchronous-connection-failover.html
When you add a group member to the source list and define it as part of a managed group, the asynchronous connection failover mechanism updates the source list to keep it in line with membership changes, adding and removing group members ...The list ... Beginning with MySQL 8.0.22, you can use the asynchronous connection failover mechanism to automatically establish an asynchronous (source to replica) replication connection to a new source after the existing connection from a replica to its source ...
https://dev.mysql.com/doc/refman/8.0/en/group-by-handling.html
SQL-92 and earlier does not permit queries for which the select list, HAVING condition, or ORDER BY list refer to nonaggregated columns that are not named in the GROUP BY clause. SQL:1999 and later permits such nonaggregates per optional feature ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-ip-address-permissions.html
When and only when the XCom communication stack is used for establishing group communications (group_replication_communication_stack=XCOM), the Group Replication plugin lets you specify an allowlist of hosts from which an incoming Group ...If you ...
https://dev.mysql.com/doc/refman/8.0/en/hash-joins.html
By default, MySQL (8.0.18 and later) employs hash joins whenever possible. It is possible to control whether hash joins are employed using one of the BNL and NO_BNL optimizer hints, or by setting block_nested_loop=on or block_nested_loop=off as ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-javascript-table-select.html
You can use the select() method to query for and return records from a table in a database. The X DevAPI provides additional methods to use with the select() method to filter and sort the returned records. MySQL provides the following operators to ...Select All Records To issue a query that returns all records from an existing table, use the select() method without specifying search ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-shell-tutorial-python-table-select.html
You can use the select() method to query for and return records from a table in a database. The X DevAPI provides additional methods to use with the select() method to filter and sort the returned records. MySQL provides the following operators to ...Select All Records To issue a query that returns all records from an existing table, use the select() method without specifying search ...