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https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-threadblocks.html
The threadblocks table associates data nodes, threads, and instances of NDB kernel blocks. The threadblocks table contains the following columns: node_id Node ID thr_no Thread ID block_name Block name block_instance Block instance number Notes The ...Although the list of possible values is static for a given NDB Cluster release, the list may vary between ...
https://dev.mysql.com/doc/refman/8.0/en/replication-features-blackhole.html
When performing binary logging, all inserts to such tables are always logged, regardless of the logging format in use. With the statement based logging format, all statements affecting BLACKHOLE tables are logged, but their effects ignored. When ...
https://dev.mysql.com/doc/refman/8.0/en/sys-extract-table-from-file-name.html
Given a file path name, returns the path component that represents the table name. It provides a convenient way to display table names, which can be more easily understood than full path names, and can be used in joins against object table names.
https://dev.mysql.com/doc/refman/8.0/en/sys-ps-truncate-all-tables.html
Truncates all Performance Schema summary tables, resetting all aggregated instrumentation as a snapshot. Parameters in_verbose BOOLEAN: Whether to display each TRUNCATE TABLE statement before executing it. Example mysql> CALL ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-online-ddl-limitations.html
The following limitations apply to online DDL operations: The table is copied when creating an index on a TEMPORARY TABLE. Tables created before MySQL 5.6 that include temporal columns (DATE, DATETIME or TIMESTAMP) and have not been rebuilt using ...The ALTER TABLE clause LOCK=NONE is not permitted if there are ON...CASCADE or ON...SET NULL constraints on the ...When the DML operations are applied, it is possible to encounter a duplicate key entry error (ERROR 1062 (23000): ...
https://dev.mysql.com/doc/refman/8.0/en/firewall-usage.html
The allowlist is the set of rules that defines which statements are acceptable to the profile. For example: the profile can be placed in training mode to establish the allowlist; the allowlist can be used for restricting statement execution or ...
https://dev.mysql.com/doc/refman/8.0/en/fulltext-stopwords.html
The following example demonstrates creating and configuring a new global stopword table for InnoDB. To see the default InnoDB stopword list, query the Information Schema INNODB_FT_DEFAULT_STOPWORD table. The stopword table must have a single VARCHAR ... The stopword list is loaded and searched for full-text queries using the server character set and collation (the values of the character_set_server and collation_server system ...
https://dev.mysql.com/doc/refman/8.0/en/innodb-compression.html
Using the compression features of InnoDB, you can create tables where the data is stored in compressed form. This section provides information about the InnoDB table compression and InnoDB page compression features. The benefits are amplified for ...The page compression feature is also referred to as transparent page ...
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-hash-maps.html
id The hash map's unique ID version Hash map version (integer) state Hash map state; see Object::State for values and descriptions.
https://dev.mysql.com/doc/refman/8.0/en/mysql-cluster-ndbinfo-resources.html
This table provides information about data node resource availability and usage. The resources table contains the following columns: node_id The unique node ID of this data node. Notes The resource_name can be any one of the names shown in the ...