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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-management.html
More detailed information about NDB Cluster operations is available in real time through an SQL interface using the ndbinfo database. mysqld exposes the NDB API statistics counters as system status variables, which can be identified from the prefix ... Managing an NDB Cluster involves a number of tasks, the first of which is to configure and start NDB ...
https://dev.mysql.com/doc/refman/8.0/en/account-categories.html
As of MySQL 8.0.16, MySQL incorporates the concept of user account categories, based on the SYSTEM_USER privilege. (However, to fully protect system accounts against regular accounts, you must also withhold modification privileges for the mysql ...
https://dev.mysql.com/doc/refman/8.0/en/create-table-select.html
You can create one table from another by adding a SELECT statement at the end of the CREATE TABLE statement: CREATE TABLE new_tbl [AS] SELECT * FROM orig_tbl; MySQL creates new columns for all elements in the SELECT. For example: mysql> CREATE ...
https://dev.mysql.com/doc/refman/8.0/en/constraints.html
MySQL enables you to work both with transactional tables that permit rollback and with nontransactional tables that do not. Because of this, constraint handling is a bit different in MySQL than in other DBMSs. The basic philosophy is that MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-ndb-transid-mysql-connection-map-table.html
The ndb_transid_mysql_connection_map table provides a mapping between NDB transactions, NDB transaction coordinators, and MySQL Servers attached to an NDB Cluster as API nodes. INFORMATION_SCHEMA Name SHOW Name Remarks mysql_connection_id MySQL ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-event-reports.html
(This is also sometimes referred to as the log level.) The cluster log can be filtered on these properties using the NDB management client CLUSTERLOG command. The format used in a log message generated by NDB Cluster (as of NDB 8.0.26) is as shown ... In this section, we discuss the types of event logs provided by NDB Cluster, and the types of events that are ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-limitations.html
You can report any discrepancies that you encounter to the MySQL bugs database using the instructions given in Section 1.5, “How to Report Bugs or Problems”. In the sections that follow, we discuss known limitations in current releases of NDB ...
https://dev.mysql.com/doc/refman/8.0/en/table-cache.html
When you execute a mysqladmin status command, you should see something like this: Uptime: 426 Running threads: 1 Questions: 11082 Reloads: 1 Open tables: 12 The Open tables value of 12 can be somewhat puzzling if you have fewer than 12 tables. To ...
https://dev.mysql.com/doc/refman/8.0/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/8.0/en/group-replication-requirements.html
Transactions are executed optimistically and then, at commit time, are checked for conflicts. MySQL Group Replication is designed to be deployed in a cluster environment where server instances are very close to each other. Bi-directional ...