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https://dev.mysql.com/doc/refman/8.0/en/mysql-installer-catalog-dashboard.html
For upgrades, a check box enables you to skip the upgrade check and process for system tables, while checking and processing data dictionary tables normally. This behavior represents a change in how MySQL Server performs an upgrade (see Section 3.4, ... This section describes the MySQL Installer product catalog, the dashboard, and other actions related to product selection and ...
https://dev.mysql.com/doc/refman/8.0/en/optimizing-innodb-diskio.html
Alternatively, InnoDB tablespace data files and log files can be placed on different physical disks. This change could cause a performance degradation for some operations, such as using ALTER to rebuild a table with the INPLACE algorithm. Increase ... If you follow best practices for database design and tuning techniques for SQL operations, but your database is still slow due to heavy disk I/O activity, consider these disk I/O ...
https://dev.mysql.com/doc/refman/8.0/en/pluggable-authentication.html
When a client connects to the MySQL server, the server uses the user name provided by the client and the client host to select the appropriate account row from the mysql.user system table. Pluggable authentication makes it possible for clients to ...The server then authenticates the client, determining from the account row which authentication plugin applies to the client: If the server cannot find the plugin, an error occurs and the connection attempt is ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-partitioning.html
Replication is supported between partitioned tables as long as they use the same partitioning scheme and otherwise have the same structure, except where an exception is specifically allowed (see Section 19.5.1.9, “Replication with Differing Table ...DROP PARTITION) that act directly on partitions in such cases might produce different results on the source and the ...
https://dev.mysql.com/doc/refman/8.0/en/replication-options-source.html
On the source and each replica, you must set the server_id system variable to establish a unique replication ID. If their values have already been modified from the default, Group Replication does not alter them. It is not possible to restrict the ... This section describes the server options and system variables that you can use on replication source ...
https://dev.mysql.com/doc/refman/8.0/en/replication-upgrade.html
Perform any table repair or rebuilding operations needed to re-create database objects, such as use of REPAIR TABLE or ALTER TABLE, or dumping and reloading tables or triggers. Changes affecting operations in strict SQL mode (STRICT_TRANS_TABLES or ... When you upgrade servers that participate in a replication topology, you need to take into account each server's role in the topology and look out for issues specific to ...
https://dev.mysql.com/doc/refman/8.0/en/show-privileges.html
row *************************** Privilege: Alter Context: Tables Comment: To alter the table *************************** 2. row *************************** Privilege: Alter routine Context: Functions,Procedures Comment: To alter or drop stored ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-importing-data.html
You may also wish to do this when performing bulk DELETE or UPDATE operations on NDB Cluster tables. If a data import operation does not complete successfully, for whatever reason, you should be prepared to perform any necessary cleanup including ...
https://dev.mysql.com/doc/refman/8.0/en/account-categories.html
By direct grant-table modification using statements such as INSERT and UPDATE. This method is discouraged but possible for users with the appropriate privileges on the mysql system schema that contains the grant tables. Privileges for the mysql ...
https://dev.mysql.com/doc/refman/8.0/en/connection-control-plugin-installation.html
To verify plugin installation, examine the Information Schema PLUGINS table or use the SHOW PLUGINS statement (see Section 7.6.2, “Obtaining Server Plugin Information”). In particular, installing only the CONNECTION_CONTROL_FAILED_LOGIN_ATTEMPTS ... This section describes how to install the connection control plugins, CONNECTION_CONTROL and ...