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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-nodes-groups.html
An ndbd or ndbmtd process, which stores one or more fragment replicas—that is, copies of the partitions (discussed later in this section) assigned to the node group of which the node is a member. A node group consists of one or more nodes, and ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-limitations.html
This section discusses current restrictions and limitations on MySQL partitioning support. The following constructs are not permitted in partitioning expressions: Stored procedures, stored functions, loadable functions, or plugins. For a list of ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-summary.html
Group Replication is a technique that can be used to implement fault-tolerant systems. The replication group is a set of servers that each have their own entire copy of the data (a shared-nothing replication scheme), and interact with each other ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-ip-address-permissions.html
The Group Replication plugin has a configuration option to determine from which hosts an incoming Group Communication System connection can be accepted. If you set this option on a server s1, then when server s2 is establishing a connection to s1 ...If s2 is in the allowlist, then s1 accepts the connection, otherwise s1 rejects the connection attempt by ...
https://dev.mysql.com/doc/refman/5.7/en/dba-dtrace-mysqld-ref.html
MySQL supports the following static probes, organized into groups of functionality. To identify each argument within the definitions they are provided with a descriptive name, but you must access the information using the corresponding argN ...
https://dev.mysql.com/doc/refman/5.7/en/alter-table-partition-operations.html
Partitioning-related clauses for ALTER TABLE can be used with partitioned tables for repartitioning, to add, drop, discard, import, merge, and split partitions, and to perform partitioning maintenance. Simply using a partition_options clause with ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-background.html
Moreover, as servers are cooperating together to create the group several other classic distributed systems problems have to be dealt with, such as network partitioning or split brain scenarios. MySQL Group Replication provides distributed state ...
https://dev.mysql.com/doc/refman/5.7/en/example-maximum-column-group-row.html
Task: For each article, find the dealer or dealers with the most expensive price. Other possibilities for solving the problem are to use an uncorrelated subquery in the FROM clause or a LEFT JOIN.
https://dev.mysql.com/doc/refman/5.7/en/group-by-handling.html
SQL-92 and earlier does not permit queries for which the select list, HAVING condition, or ORDER BY list refer to nonaggregated columns that are not named in the GROUP BY clause. SQL:1999 and later permits such nonaggregates per optional feature ...
https://dev.mysql.com/doc/refman/5.7/en/group-replication-secure-socket-layer-support-ssl.html
Group communication connections as well as recovery connections, are secured using SSL. Configuring SSL for Group Replication Recovery Recovery is performed through a regular asynchronous replication connection. Once the donor is selected, the ...