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https://dev.mysql.com/doc/refman/8.0/en/performance-schema-statement-digests.html
The copy of the normalized statement digest is stored in the appropriate Performance Schema tables, along with the SHA-256 hash value computed from the original normalized statement. Statement Digests in the Performance Schema In the Performance ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-transactions.html
In general, you should avoid transactions that update both transactional and nontransactional tables in a replication environment. You should also avoid using any statement that accesses both transactional (or temporary) and nontransactional tables ...The server uses these rules for binary logging: If the initial statements in a transaction are nontransactional, they are written to the binary log ...
https://dev.mysql.com/doc/refman/8.0/en/identifier-case-sensitivity.html
To avoid problems caused by such differences, it is best to adopt a consistent convention, such as always creating and referring to databases and tables using lowercase names. Value Meaning 0 Table and database names are stored on disk using the ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-cpustat.html
The cpustat table provides per-thread CPU statistics gathered each second, for each thread running in the NDB kernel.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-disk-write-speed-aggregate-node.html
The disk_write_speed_aggregate_node table provides aggregated information per node about the speed of disk writes during LCP, backup, and restore operations.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-disk-write-speed-aggregate.html
The disk_write_speed_aggregate table provides aggregated information about the speed of disk writes during LCP, backup, and restore operations.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-disk-write-speed-base.html
The disk_write_speed_base table provides base information about the speed of disk writes during LCP, backup, and restore operations.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-error-messages.html
The error_messages table provides information about The error_messages table contains the following columns: error_code Numeric error code error_description Description of error error_status Error status code error_classification Error ...This is ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-membership.html
The membership table describes the view that each data node has of all the others in the cluster, including node group membership, president node, arbitrator, arbitrator successor, arbitrator connection states, and other information. We determine ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-memoryusage.html
Querying this table provides information similar to that provided by the ALL REPORT MemoryUsage command in the ndb_mgm client, or logged by ALL DUMP 1000. The memoryusage table contains the following columns: node_id The node ID of this data node.