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https://dev.mysql.com/doc/refman/5.7/en/mysql-server-side-help.html
mysql> help search_string If you provide an argument to the help command, mysql uses it as a search string to access server-side help from the contents of the MySQL Reference Manual. The proper operation of this command requires that the help ...
https://dev.mysql.com/doc/refman/5.7/en/processlist-access.html
The following sections list the possible Command values, and State values grouped by category. The following discussion enumerates the sources of process information, the privileges required to see process information, and describes the content of ...
https://dev.mysql.com/doc/refman/5.7/en/program-variables.html
Many MySQL programs have internal variables that can be set at runtime using the SET statement. See Section 13.7.4.1, “SET Syntax for Variable Assignment”, and Section 5.1.8, “Using System Variables”. Most of these program variables also ...
https://dev.mysql.com/doc/refman/5.7/en/sys-host-summary.html
These views summarize statement activity, file I/O, and connections, grouped by host. The host_summary and x$host_summary views have these columns: host The host from which the client connected. Rows for which the HOST column in the underlying ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema-views.html
The sys schema contains many views that summarize Performance Schema tables in various ways. Most of these views come in pairs, such that one member of the pair has the same name as the other member, plus a x$ prefix. The view with the x$ prefix ...
https://dev.mysql.com/doc/refman/5.7/en/glossary.html
It consists of several actions that are transactional in themselves, but that all must either complete successfully as a group, or all be rolled back as a group. group commit An InnoDB optimization that performs some low-level I/O operations (log ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-desc.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). ndb_desc provides a detailed description of one or more NDB tables. Usage ndb_desc -c ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-restore.html
--defaults-group-suffix Command-Line Format --defaults-group-suffix=string Type String Default Value [none] Also read groups with concat(group, suffix). --ndb-nodegroup-map=map, -z Command-Line Format --ndb-nodegroup-map=map Intended for restoring a ... The NDB Cluster restoration program is implemented as a separate command-line utility ndb_restore, which can normally be found in the MySQL bin ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-secure-installation.html
For example, to connect to the local server over IPv6 using port 3307, use this command: mysql_secure_installation --host=::1 --port=3307 mysql_secure_installation supports the following options, which can be specified on the command line or in the ... This program enables you to improve the security of your MySQL installation in the following ways: You can set a password for root ...
https://dev.mysql.com/doc/refman/5.7/en/order-by-optimization.html
(This is the first table in the EXPLAIN output that does not have a const join type.) The query has different ORDER BY and GROUP BY expressions. (The resulting sort order may be completely different from the order for ABS(a), of course.) SELECT ...