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https://dev.mysql.com/doc/refman/8.0/en/expired-password-handling.html
MySQL provides password-expiration capability, which enables database administrators to require that users reset their password. Passwords can be expired manually, and on the basis of a policy for automatic expiration (see Section 8.2.15, ...
https://dev.mysql.com/doc/refman/8.0/en/explain-output.html
Scanned N databases (JSON property: message) This indicates how many directory scans the server performs when processing a query for INFORMATION_SCHEMA tables, as described in Section 10.2.3, “Optimizing INFORMATION_SCHEMA Queries”. The EXPLAIN ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-replication.html
How do I prevent GRANT and REVOKE statements from replicating to replica machines? Start the server with the --replicate-wild-ignore-table=mysql.% option to ignore replication for tables in the mysql database. In the following section, we provide ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-storage-engines.html
For tables using MyISAM or other non-InnoDB storage engines, it does a “warm” backup, where the database continues to run, but those tables cannot be modified while being backed up. Where can I obtain complete documentation for MySQL storage ...
https://dev.mysql.com/doc/refman/8.0/en/faqs-thread-pool.html
By contrast, the Thread Pool operates on the MySQL server side and is designed to manage the execution of inbound concurrent connections and queries as they are received from the client connections accessing the back-end MySQL database. What is the ...
https://dev.mysql.com/doc/refman/8.0/en/federated-storage-engine.html
The FEDERATED storage engine lets you access data from a remote MySQL database without using replication or cluster technology. Querying a local FEDERATED table automatically pulls the data from the remote (federated) tables. To include the ...
https://dev.mysql.com/doc/refman/8.0/en/file-permissions.html
By default, mysqld creates database directories with an access permission value of 0750. If you have problems with file permissions, the UMASK or UMASK_DIR environment variable might be set incorrectly when mysqld starts. For example, mysqld might ...
https://dev.mysql.com/doc/refman/8.0/en/firewall.html
MySQL Enterprise Edition includes MySQL Enterprise Firewall, an application-level firewall that enables database administrators to permit or deny SQL statement execution based on matching against lists of accepted statement patterns. Note MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/full-table.html
The effective maximum table size for MySQL databases is usually determined by operating system constraints on file sizes, not by MySQL internal limits. If a table-full error occurs, it may be that the disk is full or that the table has reached its ...
https://dev.mysql.com/doc/refman/8.0/en/general-security-issues.html
For information specifically about the access control system that MySQL uses for setting up user accounts and checking database access, see Section 2.9, “Postinstallation Setup and Testing”. This section describes general security issues to be ...