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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.
https://dev.mysql.com/doc/refman/5.7/en/time-zone-support.html
This section describes the time zone settings maintained by MySQL, how to load the system tables required for named time support, how to stay current with time zone changes, and how to enable leap-second support. For information about time zone ...
https://dev.mysql.com/doc/refman/5.7/en/replication-administration-skip.html
The binary log is organized as a sequence of groups known as event groups, and each event group consists of a sequence of events. For nontransactional tables, an event group corresponds to a single SQL statement. When you use a SET GLOBAL ... If ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-select-all.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndb_select_all prints all rows from an NDB table to stdout. Usage ndb_select_all -c ...
https://dev.mysql.com/doc/refman/5.7/en/thread-pool-operation.html
The thread pool consists of a number of thread groups, each of which manages a set of client connections. As connections are established, the thread pool assigns them to thread groups in round-robin fashion. To configure the number of thread ...The ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-params-other.html
Group: Used for group proximity; smaller value is interpreted as being closer. Group: Used for group proximity; smaller value is interpreted as being closer. The listings in this section provide information about parameters used in the [computer], ...
https://dev.mysql.com/doc/refman/5.7/en/xa.html
This document is published by The Open Group and available at http://www.opengroup.org/public/pubs/catalog/c193.htm. A global transaction involves several actions that are transactional in themselves, but that all must either complete successfully ... Support for XA transactions is available for the InnoDB storage ...
https://dev.mysql.com/doc/refman/5.7/en/charset-collate.html
With the COLLATE clause, you can override whatever the default collation is for a comparison.