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https://dev.mysql.com/doc/refman/8.0/en/group-replication-group-membership.html
The group is dynamic and servers can leave (either voluntarily or involuntarily) and join it at any time. If a server joins the group, it automatically brings itself up to date by fetching the missing state from an existing server. It is possible ...
https://dev.mysql.com/doc/refman/8.0/en/group-replication-multi-primary-mode.html
Any member that is compatible with the other group members is set to read/write mode when joining the group, and can process write transactions, even if they are issued concurrently. In multi-primary mode, this is more significant because all ... In ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-information-schema-system-tables.html
InnoDB INFORMATION_SCHEMA schema object tables can be joined together through fields such as TABLE_ID, INDEX_ID, and SPACE, allowing you to easily retrieve all available data for an object you want to study or monitor. Example 17.4 Joining InnoDB ...
https://dev.mysql.com/doc/refman/8.0/en/json-table-functions.html
This implements an outer join between the topmost clause and NESTED [PATH]. Normally, you cannot join a derived table which depends on columns of preceding tables in the same FROM clause. This section contains information about JSON functions that ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-option-tables.html
Ndb_pushed_queries_defined: Number of joins that API nodes have attempted to push down to data nodes. Ndb_pushed_queries_dropped: Number of joins that API nodes have tried to push down, but failed. Ndb_pushed_queries_executed: Number of joins ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-command-options.html
--max-join-size=value Command-Line Format --max-join-size=value Type Numeric Default Value 1000000 The automatic limit for rows in a join when using --safe-updates. mysql supports the following options, which can be specified on the command line or ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-range.html
A table that is partitioned by range is partitioned in such a way that each partition contains rows for which the partitioning expression value lies within a given range. Ranges should be contiguous but not overlapping, and are defined using the ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-obtaining-parent-events.html
The relation is based on a nested set data model, so the join has several clauses. FROM performance_schema.events_transactions_current AS parent INNER JOIN performance_schema.data_locks AS child WHERE parent.THREAD_ID = child.THREAD_ID AND ...Rows ...
https://dev.mysql.com/doc/refman/8.0/en/select-optimization.html
NDB Cluster supports a join pushdown optimization whereby a qualifying join is sent in its entirety to NDB Cluster data nodes, where it can be distributed among them and executed in parallel. For more information about this optimization, see ...
https://dev.mysql.com/doc/refman/8.0/en/update.html
Here is an example: UPDATE items,month SET items.price=month.price WHERE items.id=month.id; The preceding example shows an inner join that uses the comma operator, but multiple-table UPDATE statements can use any type of join permitted in SELECT ...