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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-binary-log-transaction-compression-stats-table.html
This table shows statistical information for transaction payloads written to the binary log and relay log, and can be used to calculate the effects of enabling binary log transaction compression. For information on binary log transaction ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-clone-progress-table.html
Note The Performance Schema table described here is available as of MySQL 8.0.17. The clone_progress table shows progress information for the current or last executed cloning operation only. The stages of a cloning operation include DROP DATA, FILE ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-clone-status-table.html
Note The Performance Schema table described here is available as of MySQL 8.0.17. The clone_status table shows the status of the current or last executed cloning operation only. The table only ever contains one row of data, or is empty. The ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-persisted-variables-table.html
The persisted_variables table provides an SQL interface to the mysqld-auto.cnf file that stores persisted global system variable settings, enabling the file contents to be inspected at runtime using SELECT statements. Variables are persisted using ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-statement-summary-tables.html
The Performance Schema maintains tables for collecting current and recent statement events, and aggregates that information in summary tables. Section 29.12.6, “Performance Schema Statement Event Tables” describes the events on which statement ...
https://dev.mysql.com/doc/refman/8.0/en/processlist-access.html
The following discussion enumerates the sources of process information, the privileges required to see process information, and describes the content of process list entries. The other sources have negative performance consequences because they ...
https://dev.mysql.com/doc/refman/8.0/en/replace.html
REPLACE [LOW_PRIORITY | DELAYED] [INTO] tbl_name [PARTITION (partition_name [, partition_name] ...)] [(col_name [, col_name] ...)] { {VALUES | VALUE} (value_list) [, (value_list)] ... | VALUES row_constructor_list } REPLACE [LOW_PRIORITY | DELAYED] ...
https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html
The MySQL server can operate in different SQL modes, and can apply these modes differently for different clients, depending on the value of the sql_mode system variable. DBAs can set the global SQL mode to match site server operating requirements, ...
https://dev.mysql.com/doc/refman/8.0/en/type-conversion.html
When an operator is used with operands of different types, type conversion occurs to make the operands compatible. For example, MySQL automatically converts strings to numbers as necessary, and vice versa. mysql> SELECT 1+'1'; -> 2 mysql> SELECT ...
https://dev.mysql.com/doc/refman/8.0/en/kerberos-pluggable-authentication.html
Note Kerberos pluggable authentication is an extension included in MySQL Enterprise Edition, a commercial product. MySQL Enterprise Edition supports an authentication method that enables users to authenticate to MySQL Server using Kerberos, ...