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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-ndbinfo-operations-per-fragment.html
The table_id column value is unique at any given time, but can be reused if the corresponding object has been deleted. Generally, such a refusal is due to duplicate keys (inserts), Key not found errors (updates, deletes, and reads), or the operation ... The operations_per_fragment table provides information about the operations performed on individual fragments and fragment replicas, as well as about some of the results from these ...
https://dev.mysql.com/doc/refman/5.7/en/subquery-restrictions.html
In MySQL, it can produce nondeterministic results because f() might be executed a different number of times for different executions of a given query depending on how the optimizer chooses to handle it. FROM t...) AS dt ...); Here the result from ...
https://dev.mysql.com/doc/refman/5.7/en/windows-install-archive.html
Users who are installing from the noinstall package can use the instructions in this section to manually install MySQL.
https://dev.mysql.com/doc/refman/5.7/en/xml-functions.html
No warnings or errors are issued by the server if a variable has the wrong type or has previously not been assigned a value. This also means the user is fully responsible for any typographical errors, since no warnings are given if (for example) ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting-datadict.html
The error message looks like this: InnoDB: Error: table test/parent already exists in InnoDB internal InnoDB: data dictionary. You can drop the orphan table by following the instructions given in the error message. [ERROR] InnoDB: The error means ...
https://dev.mysql.com/doc/refman/5.7/en/innodb-system-tablespace.html
For example, this tablespace has one auto-extending data file: innodb_data_home_dir = innodb_data_file_path = /ibdata/ibdata1:10M:autoextend Suppose that the data file has grown to 988MB over time. If you encounter this error, restore the previous ... The system tablespace is the storage area for the InnoDB data dictionary, the doublewrite buffer, the change buffer, and undo ...
https://dev.mysql.com/doc/refman/5.7/en/replication-gtids-auto-positioning.html
This GTID set is equal to the union of the set of GTIDs in the gtid_executed system variable (@@GLOBAL.gtid_executed), and the set of GTIDs recorded in the Performance Schema replication_connection_status table as received transactions (the result ... GTIDs replace the file-offset pairs previously required to determine points for starting, stopping, or resuming the flow of data between source and ...
https://dev.mysql.com/doc/refman/5.7/en/binlog.html
This statement can execute only format description events and row events. It is generated by the mysqlbinlog program as the printable representation of certain events in binary log files. (See Section 4.6.7, “mysqlbinlog — Utility for Processing ...
https://dev.mysql.com/doc/refman/5.7/en/rewriter-query-rewrite-plugin-installation.html
To verify that, connect to the server and execute this statement: mysql> SHOW GLOBAL VARIABLES LIKE 'rewriter_enabled'; +------------------+-------+ | Variable_name | Value | +------------------+-------+ | rewriter_enabled | ON | ... Note If ...
https://dev.mysql.com/doc/refman/5.7/en/show-binary-logs.html
A user with the SUPER or REPLICATION CLIENT privilege may execute this statement. SHOW BINARY LOGS SHOW MASTER LOGS Lists the binary log files on the server. This statement is used as part of the procedure described in Section 13.4.1.1, “PURGE ...