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https://dev.mysql.com/doc/refman/5.7/en/proxy-users.html
This enables the external user to be a proxy for the second user; that is, to assume the privileges of the second user: The external user is a “proxy user” (a user who can impersonate or become known as another user). In this case, employee_ext ...The plugin that authenticates a given connection may request that the connecting (external) user be treated as a different user for privilege-checking ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-events-table.html
EVENT_DEFINITION The text of the SQL statement making up the event's DO clause; in other words, the statement executed by this event. EXECUTE_AT For a one-time event, this is the DATETIME value specified in the AT clause of the CREATE EVENT ... The ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-backup-using-management-client.html
This identifier is saved in the cluster log, if it has not been configured otherwise. At this point in the backup process the cluster has received and processed the backup request. This can be overridden for one or more data nodes individually, or ... Before starting a backup, make sure that the cluster is properly configured for performing ...
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. This call may be protected by a ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-deleted-table.html
This value is used when you do text searches, to skip rows in the INNODB_FT_INDEX_TABLE table before data for deleted rows is physically removed from the FULLTEXT index by an OPTIMIZE TABLE statement. This value might reflect the value of an ID ...
https://dev.mysql.com/doc/refman/5.7/en/keyring-key-migration.html
In this case, it may be necessary to connect to the running server and enable keyring_operations manually using this statement: SET GLOBAL keyring_operations = ON; Online key migration provides for pausing keyring operations on a single running ...A ... A keyring migration copies keys from one keystore to another, enabling a DBA to switch a MySQL installation to a different ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-commands.html
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. This enables the character set to remain synchronized on the client and server if mysql is ... mysql sends each SQL statement that you issue to the server to be ...
https://dev.mysql.com/doc/refman/5.7/en/index-btree-hash.html
LIKE '%string%' and string is longer than three characters, MySQL uses the Turbo Boyer-Moore algorithm to initialize the pattern for the string and then uses this pattern to perform the search more quickly. (This type of index cannot be used to ...A ... Understanding the B-tree and hash data structures can help predict how different queries perform on different storage engines that use these data structures in their indexes, particularly for the MEMORY storage engine that lets you choose B-tree or hash ...
https://dev.mysql.com/doc/refman/5.7/en/binary-installation.html
For other platform-specific binary package formats, see the other platform-specific sections in this manual. This section covers the installation of MySQL from a compressed tar file binary distribution on Unix/Linux platforms. Data directory ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-standard-monitor.html
This limit does not apply to output written to tserver standard error output (stderr). Status This section shows the timestamp, the monitor name, and the number of seconds that per-second averages are based on. SEMAPHORES This section reports ...