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https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-backup-using-management-client.html
At this point in the backup process the cluster has received and processed the backup request. Note At this point, the management client has not yet received a response from the cluster data nodes to this request, and the backup has not yet actually ... Before starting a backup, make sure that the cluster is properly configured for performing ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-basics.html
In addition, to provide a single point of configuration, all configuration data for the cluster as a whole is located in one configuration file. NDB Cluster logs events by category (startup, shutdown, errors, checkpoints, and so on), priority, and ... NDBCLUSTER (also known as NDB) is an in-memory storage engine offering high-availability and data-persistence ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-install-example-data.html
There are two key points to keep in mind: For a table to be replicated in the cluster, it must use the NDBCLUSTER storage engine. Note The information in this section applies to NDB Cluster running on both Unix and Windows platforms. Working with ...
https://dev.mysql.com/doc/refman/8.4/en/mysql-cluster-replication.html
For information about performing point-in-time recovery with NDB Cluster and NDB Cluster Replication, see Section 25.7.9.2, “Point-In-Time Recovery Using NDB Cluster Replication”. NDB Cluster supports asynchronous replication, more usually ...
https://dev.mysql.com/doc/refman/8.4/en/mysqldump.html
The mysqldump client utility performs logical backups, producing a set of SQL statements that can be executed to reproduce the original database object definitions and table data. It dumps one or more MySQL databases for backup or transfer to ...
https://dev.mysql.com/doc/refman/8.4/en/no-matching-rows.html
This problem is common in most computer languages because not all floating-point values can be stored with exact precision. If you have a complicated query that uses many tables but that returns no rows, you should use the following procedure to ...
https://dev.mysql.com/doc/refman/8.4/en/out-of-range-and-overflow.html
If no restrictive modes are enabled, MySQL clips the value to the appropriate endpoint of the column data type range and stores the resulting value instead. When an out-of-range value is assigned to an integer column, MySQL stores the value ...In ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema-tp-thread-group-state-table.html
TIME_OF_LAST_THREAD_CREATION The point in time when the thread was last created. QUERY_THREADS_COUNT same as num_query_threads, but used for different purposes? TIME_OF_EARLIEST_CON_EXPIRE A timestamp showing the earliest point in time when a ...
https://dev.mysql.com/doc/refman/8.4/en/performance-schema.html
The PERFORMANCE_SCHEMA storage engine collects event data using “instrumentation points” in server source code. The MySQL Performance Schema is a feature for monitoring MySQL Server execution at a low level. The Performance Schema has these ...
https://dev.mysql.com/doc/refman/8.4/en/precision-math.html
These features have several implications for numeric operations and provide a high degree of compliance with standard SQL: Precise calculations: For exact-value numbers, calculations do not introduce floating-point errors. MySQL provides support ...