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https://dev.mysql.com/doc/refman/5.7/en/performance-schema-statement-summary-tables.html
Each row summarizes events for a given stored program (stored procedure or function, trigger, or event). The Performance Schema maintains tables for collecting current and recent statement events, and aggregates that information in summary tables.
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-timing.html
For example, the standard gettimeofday() function can take hundreds of cycles, which is an unacceptable overhead for data gathering that may occur thousands or millions of times per second. Events are collected by means of instrumentation added to ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema.html
In general, an event could be a function call, a wait for the operating system, a stage of an SQL statement execution such as parsing or sorting, or an entire statement or group of statements. The MySQL Performance Schema is a feature for ...
https://dev.mysql.com/doc/refman/5.7/en/perl-support.html
Although earlier versions are available, they do not support the full functionality of MySQL 5.7. The Perl DBI module provides a generic interface for database access. You can write a DBI script that works with many different database engines ...
https://dev.mysql.com/doc/refman/5.7/en/plugin-loading.html
Server plugins must be loaded into the server before they can be used. It is also possible to control the activation state of loaded plugins at startup, and to unload them at runtime. While a plugin is loaded, information about it is available as ...
https://dev.mysql.com/doc/refman/5.7/en/plugin-services.html
MySQL server plugins have access to server “plugin services.” The plugin services interface complements the plugin API by exposing server functionality that plugins can call. For developer information about writing plugin services, see MySQL ...
https://dev.mysql.com/doc/refman/5.7/en/preface.html
This manual is not intended for use with older versions of the MySQL software due to the many functional and other differences between MySQL 5.7 and previous versions. This is the Reference Manual for the MySQL Database System, version 5.7, through ...
https://dev.mysql.com/doc/refman/5.7/en/replace-third-party-yum.html
mysql_upgrade also performs other functions; see Section 4.4.7, “mysql_upgrade — Check and Upgrade MySQL Tables” for details. For supported Yum-based platforms (see Section 2.5.1, “Installing MySQL on Linux Using the MySQL Yum ...
https://dev.mysql.com/doc/refman/5.7/en/replace.html
If you are using the C API, the affected-rows count can be obtained using the mysql_affected_rows() function. REPLACE [LOW_PRIORITY | DELAYED] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] {VALUES ...
https://dev.mysql.com/doc/refman/5.7/en/replication-features-auto-increment.html
A statement invoking a trigger or function that causes an update to an AUTO_INCREMENT column is not replicated correctly using statement-based replication. Statement-based replication of AUTO_INCREMENT, LAST_INSERT_ID(), and TIMESTAMP values is ...