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https://dev.mysql.com/doc/refman/5.7/en/gis-data-formats.html
Two standard spatial data formats are used to represent geometry objects in queries: Well-Known Text (WKT) format Well-Known Binary (WKB) format Internally, MySQL stores geometry values in a format that is not identical to either WKT or WKB format.
https://dev.mysql.com/doc/refman/5.7/en/hexadecimal-literals.html
Hexadecimal literal values are written using X'val' or 0xval notation, where val contains hexadecimal digits (0..9, A..F). Lettercase of the digits and of any leading X does not matter. A leading 0x is case-sensitive and cannot be written as 0X.
https://dev.mysql.com/doc/refman/5.7/en/known-issues.html
This section lists known issues in recent versions of MySQL. For information about platform-specific issues, see the installation and debugging instructions in Section 2.1, “General Installation Guidance”, and Section 5.8, “Debugging MySQL”. The following problems are known: Subquery optimization for IN is not as effective as for ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication-pitr.html
Point-in-time recovery—that is, recovery of data changes made since a given point in time—is performed after restoring a full backup that returns the server to its state when the backup was made. Performing point-in-time recovery of NDB Cluster ...
https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-restrictions.html
Because GTID-based replication is dependent on transactions, some features otherwise available in MySQL are not supported when using it. This section provides information about restrictions on and limitations of replication with GTIDs. When using ...
https://dev.mysql.com/doc/refman/5.7/en/replication-sbr-rbr.html
For most users, the mixed replication format should provide the best combination of data integrity and performance. If, however, you want to take advantage of the features specific to the statement-based or row-based replication format when ...
https://dev.mysql.com/doc/refman/5.7/en/reproducible-test-case.html
For information about steps to take when encountering InnoDB table corruption, see Section 1.5, “How to Report Bugs or Problems”. If you encounter corrupted MyISAM tables or if mysqld always fails after some update statements, you can test ...
https://dev.mysql.com/doc/refman/5.7/en/server-options.html
When you start the mysqld server, you can specify program options using any of the methods described in Section 4.2.2, “Specifying Program Options”. The most common methods are to provide options in an option file or on the command line.
https://dev.mysql.com/doc/refman/5.7/en/set-sql-log-bin.html
SET sql_log_bin = {OFF|ON} The sql_log_bin variable controls whether logging to the binary log is enabled for the current session (assuming that the binary log itself is enabled). To disable or enable binary logging for the current session, set the ...
https://dev.mysql.com/doc/refman/5.7/en/show-engine.html
SHOW ENGINE engine_name {STATUS | MUTEX} SHOW ENGINE displays operational information about a storage engine. The statement has these variants: SHOW ENGINE INNODB STATUS SHOW ENGINE INNODB MUTEX SHOW ENGINE PERFORMANCE_SCHEMA STATUS SHOW ENGINE ...