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https://dev.mysql.com/doc/refman/8.0/en/fulltext-search.html
A FULLTEXT index definition can be given in the CREATE TABLE statement when a table is created, or added later using ALTER TABLE or CREATE INDEX. Full-text indexes can be used only with InnoDB or MyISAM tables, and can be created only for CHAR, ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-benchmarking.html
If you did not make a deliberate decision about the storage engine, and you want to preview how certain tables work when created using InnoDB, issue the command ALTER TABLE table_name ENGINE=InnoDB; for each table. Alternatively, to run test queries ...Since changing the default storage engine only affects newly created tables, run your application installation and setup steps to confirm that everything installs properly, then exercise the application features to make sure the data loading, editing, and querying features ... If InnoDB is not the default storage ...
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/replication-features-invoked.html
You can do this by storing in a separate table the event names from the SELECT statement shown previously, or using ALTER EVENT statements to rename the events with a common prefix such as replicated_ to identify them. The following statements are ... Replication of invoked features such as loadable functions and stored programs (stored procedures and functions, triggers, and events) provides the following characteristics: The effects of the feature are always ...
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 ...