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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-limitations-transactions.html
When copying an NDB table as part of an ALTER TABLE, the creation of the copy is nontransactional. NDBCLUSTER stores only part of a column value that uses any of MySQL's BLOB or TEXT data types in the table visible to MySQL; the remainder of the ...
https://dev.mysql.com/doc/refman/5.7/en/example-foreign-keys.html
MySQL supports foreign keys, which permit cross-referencing related data across tables, and foreign key constraints, which help keep the related data consistent. A foreign key relationship involves a parent table that holds the initial column ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-buffer-page-table.html
The INNODB_BUFFER_PAGE table provides information about each page in the InnoDB buffer pool. For related usage information and examples, see Section 14.16.5, “InnoDB INFORMATION_SCHEMA Buffer Pool Tables”. Do not query this table on a ...To ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-innodb-ft-config-table.html
The INNODB_FT_CONFIG table provides metadata about the FULLTEXT index and associated processing for an InnoDB table. Before querying it, set the value of the innodb_ft_aux_table system variable to the name (including the database name) of the table ...The values for this column might change, depending on the needs for performance tuning and debugging for InnoDB full-text ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-events-statements-current-table.html
The table stores one row per thread showing the current status of the thread's most recent monitored statement event, so there is no system variable for configuring the table size. Of the tables that contain statement event rows, ...The THREAD_ID ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-processlist-table.html
Note If the performance_schema_show_processlist system variable is enabled, the processlist table also serves as the basis for an alternative implementation underlying the SHOW PROCESSLIST statement. As mentioned previously, if the ... Note The ...
https://dev.mysql.com/doc/refman/5.7/en/performance-schema-status-variable-tables.html
Note The value of the show_compatibility_56 system variable affects the information available from the tables described here. Status variable information is available in these Performance Schema tables: global_status: Global status variables. An ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-management.html
All of these actions can be carried out using the partitioning extensions to the ALTER TABLE statement. To change a table's partitioning scheme, it is necessary only to use the ALTER TABLE statement with a partition_options clause. Important Only a ... MySQL 5.7 provides a number of ways to modify partitioned ...It is ...
https://dev.mysql.com/doc/refman/5.7/en/fulltext-fine-tuning.html
To rebuild FULLTEXT indexes for an InnoDB table, use ALTER TABLE with the DROP INDEX and ADD INDEX options to drop and re-create each index. To rebuild the FULLTEXT indexes for a MyISAM table, it is sufficient to do a QUICK repair operation: mysql> ...Do not alter the MySQL sources unless you know what you are ...You can exert more control over full-text searching behavior if you have a MySQL source ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-range.html
At some point in the future—when the number of stores has increased to 25, 30, or more—you can use an ALTER TABLE statement to add new partitions for stores 21-25, 26-30, and so on (see Section 22.3, “Partition Management”, for details of ...