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https://dev.mysql.com/doc/refman/5.7/en/drop-server.html
DROP SERVER [ IF EXISTS ] server_name Drops the server definition for the server named server_name. Dropping a server for a table does not affect any FEDERATED tables that used this connection information when they were created. DROP SERVER is not ...
https://dev.mysql.com/doc/refman/5.7/en/error-log-filtering.html
The log_error_verbosity system variable controls server verbosity for writing error, warning, and note messages to the error log. If the value is greater than 2, the server logs aborted connections and access-denied errors for new connection ...
https://dev.mysql.com/doc/refman/5.7/en/error-log-format.html
Timestamps are written using ISO 8601 / RFC 3339 format: YYYY-MM-DDThh:mm:ss.uuuuuu plus a tail value of Z signifying Zulu time (UTC) or ±hh:mm (an offset that indicates the local system time zone adjustment relative to UTC). The ID included in ...
https://dev.mysql.com/doc/refman/5.7/en/example-maximum-column-group-row.html
Task: For each article, find the dealer or dealers with the most expensive price. Other possibilities for solving the problem are to use an uncorrelated subquery in the FROM clause or a LEFT JOIN.
https://dev.mysql.com/doc/refman/5.7/en/faqs-virtualization.html
Is MySQL supported on virtualized environments such as Oracle VM, VMWare, Docker, Microsoft Hyper-V, or others? MySQL is supported on virtualized environments, but is certified only for Oracle VM. The usual ones are related to performance, ...Is ...
https://dev.mysql.com/doc/refman/5.7/en/gpg-key-archived-packages.html
For signature checking instructions, see Section 2.1.4.2, “Signature Checking Using GnuPG”. The following GPG public build key (keyID 5072E1F5) can be used to verify the authenticity and integrity of MySQL 5.7.36 packages and earlier.
https://dev.mysql.com/doc/refman/5.7/en/group-replication-observability.html
This is where the instrumentation of Group Replication and Performance Schema becomes important. The entire state of the system (including the view, conflict statistics and service states) can be queried through performance_schema tables. For ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-recovering-from-a-point-in-time.html
However, GTIDS only provide a means to realize which transactions the server joining the group is missing, they do not help marking a specific point in time to which the server joining the group must catch up, nor do they help conveying ... To ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-sys-fields-table.html
The INNODB_SYS_FIELDS table provides metadata about the key columns (fields) of InnoDB indexes, equivalent to the information from the SYS_FIELDS table in the InnoDB data dictionary. For related usage information and examples, see Section 14.16.3, ...NAME The name of the original column from the table; the same value as ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-mysql-firewall-whitelist-table.html
The MYSQL_FIREWALL_WHITELIST table has these columns: USERHOST The account profile name. The MYSQL_FIREWALL_WHITELIST table provides a view into the in-memory data cache for MySQL Enterprise Firewall. RULE A normalized statement indicating an ...It ...