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https://dev.mysql.com/doc/refman/5.7/en/show.html
SHOW has many forms that provide information about databases, tables, columns, or status information about the server. The pattern is useful for restricting statement output to matching values. Several SHOW statements also accept a WHERE clause ...
https://dev.mysql.com/doc/refman/5.7/en/sql-prepared-statements.html
Using prepared statements with placeholders for parameter values has the following benefits: Less overhead for parsing the statement each time it is executed. Typically, database applications process large volumes of almost-identical statements, ...
https://dev.mysql.com/doc/refman/5.7/en/stored-routines.html
If you are upgrading to MySQL 5.7 from an earlier version, be sure to update your grant tables to make sure that the proc table exists. A stored routine is a set of SQL statements that can be stored in the server. Once this has been done, clients ...
https://dev.mysql.com/doc/refman/5.7/en/too-many-connections.html
By granting the privilege to administrators and not to normal users (who should not need it), an administrator who also has the PROCESS privilege can connect to the server and use SHOW PROCESSLIST to diagnose problems even if the maximum number of ... If clients encounter Too many connections errors when attempting to connect to the mysqld server, all available connections are in use by other ...
https://dev.mysql.com/doc/refman/5.7/en/unix-signal-response.html
SIGHUP causes the server to reload the grant tables and to flush tables, logs, the thread cache, and the host cache. On Unix and Unix-like systems, a process can be the recipient of signals sent to it by the root system account or the system ...
https://dev.mysql.com/doc/refman/5.7/en/windows-create-option-file.html
Note When using the MySQL Installer to install MySQL Server, it creates the my.ini in the default location, and the user executing MySQL Installer is granted full permissions to this new my.ini file. If you need to specify startup options when you ...
https://dev.mysql.com/doc/refman/5.7/en/windows-postinstallation.html
If necessary, initialize the data directory and create the MySQL grant tables. GUI tools exist that perform most of the tasks described in this section, including: MySQL Installer: Used to install and upgrade MySQL products. Windows distributions ...
https://dev.mysql.com/doc/refman/5.7/en/windows-server-first-start.html
Note The initial root account in the MySQL grant tables has no password. This section gives a general overview of starting the MySQL server. The following sections provide more specific information for starting the MySQL server from the command ...
https://dev.mysql.com/doc/refman/5.7/en/windows-testing.html
In this case, start mysqld with the skip_name_resolve system variable enabled and use only localhost and IP addresses in the Host column of the MySQL grant tables. (Be sure that an account exists that specifies an IP address or you may not be able ...
https://dev.mysql.com/doc/refman/5.7/en/windows-upgrading.html
As Administrator, run mysql_upgrade to check your tables, attempt to repair them if necessary, and update your grant tables if they have changed so that you can take advantage of any new capabilities. There are two approaches for upgrading MySQL on ...