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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-group-configuration-version-table.html
This table displays the version of the member actions configuration for replication group members. The replication_group_configuration_version table has these columns: NAME The name of the configuration. Whenever a member action is enabled or ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-replication-group-member-actions-table.html
This table lists the member actions that are included in the member actions configuration for replication group members. The replication_group_member_actions table has these columns: NAME The name of the member action. You can reset the member ...
https://dev.mysql.com/doc/refman/8.0/en/performance-schema-rwlock-instances-table.html
The rwlock_instances table lists all the rwlock (read write lock) instances seen by the Performance Schema while the server executes. The rwlock_instances table has these columns: NAME The instrument name associated with the lock. The ...An rwlock ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-table-compression.html
Table compression is enabled using the ROW_FORMAT=COMPRESSED attribute with CREATE TABLE or ALTER TABLE. This section describes InnoDB table compression, which is supported with InnoDB tables that reside in file_per_table tablespaces or general ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-programs-ndb-select-all.html
ndb_select_all prints all rows from an NDB table to stdout. Usage ndb_select_all -c connection_string tbl_name -d db_name [> file_name] Options that can be used with ndb_select_all are shown in the following table. --database=dbname, -d dbname Name ...--connect-retries Command-Line Format --connect-retries=# Type Integer Default Value 12 Minimum Value 0 Maximum Value 12 Number of times to retry connection before giving ...
https://dev.mysql.com/doc/refman/8.0/en/information-schema-schemata-extensions-table.html
The SCHEMATA_EXTENSIONS table (available as of MySQL 8.0.22) augments the SCHEMATA table with information about schema options. The SCHEMATA_EXTENSIONS table has these columns: CATALOG_NAME The name of the catalog to which the schema belongs. If ...
https://dev.mysql.com/doc/refman/8.0/en/federated-description.html
When you create a table using one of the standard storage engines (such as MyISAM, CSV or InnoDB), the table consists of the table definition and the associated data. When you create a FEDERATED table, the table definition is the same, but the ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-deadlock-example.html
Client A enables innodb_print_all_deadlocks, creates two tables, 'Animals' and 'Birds', and inserts data into each. The following example illustrates how an error can occur when a lock request causes a deadlock. Thererfore, the previous read-only ...
https://dev.mysql.com/doc/refman/8.0/en/replication-rbr-usage.html
As noted in Section 19.5.1.31, “Replication and Temporary Tables”, temporary tables are not replicated when using row-based format or (from MySQL 8.0.4) mixed format. Temporary tables are not replicated when using row-based or mixed format ...
https://dev.mysql.com/doc/refman/8.0/en/index-statistics.html
(This may occur for bulk inserts or deletes, or some ALTER TABLE statements, for example.) If this happens, the statistics are collected using whatever value innodb_stats_method or myisam_stats_method has at the time. Storage engines collect ...For ...