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https://dev.mysql.com/doc/refman/5.7/en/password-management.html
MySQL enables database administrators to expire account passwords manually, and to establish a policy for automatic password expiration. Expiration policy can be established globally, and individual accounts can be set to either defer to the global ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-connection-tables.html
When a client connects to the MySQL server, it does so under a particular user name and from a particular host. They differ in that, for grant tables, the host part of an account can be a pattern, whereas for Performance Schema tables, the host ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-host-cache-table.html
The MySQL server maintains an in-memory host cache that contains client host name and IP address information and is used to avoid Domain Name System (DNS) lookups. The host_cache_size system variable controls the size of the host cache, as well as ...
https://dev.mysql.com/doc/refman/5.7/en/reloading-delimited-text-dumps.html
For backups produced with mysqldump --tab, each table is represented in the output directory by an .sql file containing the CREATE TABLE statement for the table, and a .txt file containing the table data. To reload a table, first change location ...
https://dev.mysql.com/doc/refman/5.7/en/replace-third-party-yum.html
For supported Yum-based platforms (see Section 2.5.1, “Installing MySQL on Linux Using the MySQL Yum Repository”, for a list), you can replace a third-party distribution of MySQL with the latest GA release (from the MySQL 5.7 series currently) ...
https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-howto.html
This section describes a process for configuring and starting GTID-based replication in MySQL 5.7. This is a “cold start” procedure that assumes either that you are starting the replication source server for the first time, or that it is ...
https://dev.mysql.com/doc/refman/5.7/en/replication-rules-examples.html
If you use a combination of database-level and table-level replication filtering options, the replica first accepts or ignores events using the database options, then it evaluates all events permitted by those options according to the table options. It is also important to note that the results vary depending on whether the operation is logged using statement-based or row-based binary logging ...
https://dev.mysql.com/doc/refman/5.7/en/show-warnings.html
SHOW WARNINGS [LIMIT [offset,] row_count] SHOW COUNT(*) WARNINGS SHOW WARNINGS is a diagnostic statement that displays information about the conditions (errors, warnings, and notes) resulting from executing a statement in the current session.
https://dev.mysql.com/doc/refman/5.7/en/sys-statements-with-runtimes-in-95th-percentile.html
These views list statements with runtimes in the 95th percentile. The statements_with_runtimes_in_95th_percentile and x$statements_with_runtimes_in_95th_percentile views have these columns: query The normalized statement string. db The default ...
https://dev.mysql.com/doc/refman/5.7/en/table-cache.html
When you execute a mysqladmin status command, you should see something like this: Uptime: 426 Running threads: 1 Questions: 11082 Reloads: 1 Open tables: 12 The Open tables value of 12 can be somewhat puzzling if you have fewer than 12 tables.