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https://dev.mysql.com/doc/refman/5.7/en/replication-features-transaction-inconsistencies.html
When using a multithreaded replica, workers which have not received an error complete their queues, so it may take time to stop all threads. Inconsistencies in the sequence of transactions that have been executed from the relay log can occur ...
https://dev.mysql.com/doc/refman/5.7/en/sys-schema.html
mysql_upgrade returns an error if a sys schema exists but has no version view, on the assumption that absence of this view indicates a user-created sys schema. MySQL 5.7 includes the sys schema, a set of objects that helps DBAs and developers ...
https://dev.mysql.com/doc/refman/5.7/en/replication-administration-pausing.html
The replication I/O thread continues to read events from the source but they are not executed. Stopping only the replication I/O thread enables the events in the relay log to be executed by the replication SQL thread up to the point where the relay ... You can stop and start replication on the replica using the STOP SLAVE and START SLAVE ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-replication.html
This section explains how to set up and manage a configuration in which one group of computers operating as an NDB Cluster replicates to a second computer or group of computers. For information about performing point-in-time recovery with NDB ...
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/version-tokens-elements.html
Version Tokens is based on a plugin library that implements these elements: A server-side plugin named version_tokens holds the list of version tokens associated with the server and subscribes to notifications for statement execution events. The ...
https://dev.mysql.com/doc/refman/5.7/en/privilege-changes.html
Database privilege changes take effect the next time the client executes a USE db_name statement. This can be done by issuing a FLUSH PRIVILEGES statement or by executing a mysqladmin flush-privileges or mysqladmin reload command. If the mysqld ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-install-linux.html
Each NDB Cluster host computer must have the correct executable programs installed. This section covers installation methods for NDB Cluster on Linux and other Unix-like operating systems. While the next few sections refer to a Linux operating ...
https://dev.mysql.com/doc/refman/5.7/en/crashing.html
You can check how long your mysqld server has been up by executing mysqladmin version. If mysqld has died and restarted, you may find the reason by looking in the server's error log. On some systems, you can find in the error log a stack trace of ...