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https://dev.mysql.com/doc/refman/9.7/en/group-replication-ip-address-permissions.html
If a host name used as the Group Replication local address for a server instance resolves to both an IPv4 and an IPv6 address, the IPv4 address is preferred for Group Replication connections. If a host name resolves to both an IPv4 and an IPv6 ...
https://dev.mysql.com/doc/refman/9.7/en/jdv-requirements.html
If both object and sub-object columns are modified, then the base tables for both objects is updated. A field of a JSON document that maps to a primary key column that has the AUTO_INCREMENT attribute cannot have a mix of both explicit and generated ... Review the following requirements and restrictions for table annotations and DML operations on JSON duality ...
https://dev.mysql.com/doc/refman/9.7/en/json.html
This can happen when either (or both) of the last two conditions from the previous list is not met but the other conditions are satisfied. Let $ refer to this value: {"a fish": "shark", "a bird": "sparrow"} The keys both contain a space and must be ...The JSON data type provides these advantages over storing JSON-format strings in a string column: Automatic validation of JSON documents stored in JSON ...
https://dev.mysql.com/doc/refman/9.7/en/keyring-key-migration.html
The source and destination must differ, and the migration server must support them both. The source and destination must differ, and mysql_migrate_keyring must support them both. A keyring migration copies keys from one keystore to another, ...
https://dev.mysql.com/doc/refman/9.7/en/log-destinations.html
Examples: To write general query log entries to the log table and the log file, use --log_output=TABLE,FILE to select both log destinations and --general_log to enable the general query log. To write general and slow query log entries only to the ...
https://dev.mysql.com/doc/refman/9.7/en/memory-storage-engine.html
The following sections illustrate the syntax for creating both kinds of indexes. Indexes The MEMORY storage engine supports both HASH and BTREE indexes. The MEMORY storage engine (formerly known as HEAP) creates special-purpose tables with contents ...
https://dev.mysql.com/doc/refman/9.7/en/multifactor-authentication.html
The “something you know” factor type relies on information that is kept secret on both sides of the authentication process. Multifactor authentication can use non-WebAuthn MySQL authentication methods, the WebAuthn authentication method, or a ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-install-shutdown-restart.html
To restart the cluster on Unix platforms, run these commands: On the management host (198.51.100.10 in our example setup): $> ndb_mgmd -f /var/lib/mysql-cluster/config.ini On each of the data node hosts (198.51.100.30 and 198.51.100.40): $> ndbd Use ... To shut down the cluster, enter the following command in a shell on the machine hosting the management node: $> ndb_mgm -e shutdown The -e option here is used to pass a command to the ndb_mgm client from the ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-ndbinfo-transporters.html
Notes For each running data node in the cluster, the transporters table displays a row showing the status of each of that node's connections with all nodes in the cluster, including itself. This information is shown in the table's status column, ...
25.7.9.1 NDB Cluster Replication: Automating Synchronization of the Replica to the Source Binary Log
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-replication-auto-sync.html
It is possible to automate much of the process described in the previous section (see Section 25.7.9, “NDB Cluster Backups With NDB Cluster Replication”). The following Perl script reset-replica.pl serves as an example of how you can do this.