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https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-limitations-exclusive-to-cluster.html
The following are limitations specific to the NDB storage engine: Machine architecture. All machines used in the cluster must have the same architecture. That is, all machines hosting nodes must be either big-endian or little-endian, and you cannot ...
https://dev.mysql.com/doc/refman/9.7/en/mysql-cluster-online-add-node-basics.html
Execute one or more CREATE NODEGROUP commands in the NDB Cluster management client to create the new node group or node groups to which the new data nodes belong. Exception: For tables created using the MAX_ROWS option, this statement does not work; ... In this section, we list the basic steps required to add new data nodes to an NDB ...
https://dev.mysql.com/doc/refman/9.7/en/optimizing-innodb-bulk-data-loading.html
COMMIT; The mysqldump option --opt creates dump files that are fast to import into an InnoDB table, even without wrapping them with the SET autocommit and COMMIT statements. For optimal performance when loading data into an InnoDB FULLTEXT index, ...
https://dev.mysql.com/doc/refman/9.7/en/optimizing-innodb-ddl-operations.html
Many DDL operations on tables and indexes (CREATE, ALTER, and DROP statements) can be performed online. Online DDL support for adding secondary indexes means that you can generally speed up the process of creating and loading a table and associated ...Use TRUNCATE TABLE to empty a table, not DELETE FROM ...
https://dev.mysql.com/doc/refman/9.7/en/partitioning-columns-list.html
See Section 15.1.24, “CREATE TABLE Statement”, for additional information about PARTITION BY LIST COLUMNS() syntax. This is a variant of LIST partitioning that enables the use of multiple columns as partition keys, and for columns of data types ...
https://dev.mysql.com/doc/refman/9.7/en/set-operations.html
Result Set Column Names and Data Types Set Operations with TABLE and VALUES Statements Set Operations using DISTINCT and ALL Set Operations with ORDER BY and LIMIT Limitations of Set Operations SQL set operations combine the results of multiple ...
https://dev.mysql.com/doc/refman/9.7/en/storage-requirements.html
It connects to a current MySQL (not NDB Cluster) database and creates a report on how much space that database would require if it used the NDB storage engine. Leftover Digits Number of Bytes 0 0 1 1 2 1 3 2 4 2 5 3 6 3 7 4 8 4 Date and Time Type ...
https://dev.mysql.com/doc/refman/9.7/en/sys-table-exists.html
Tests whether a given table exists as a regular table, a TEMPORARY table, or a view. If both a temporary and a permanent table exist with the given name, TEMPORARY is returned. Parameters in_db VARCHAR(64): The name of the database in which to ...
https://dev.mysql.com/doc/refman/9.7/en/temporary-table-problems.html
Temporary tables created with CREATE TEMPORARY TABLE have the following limitations: TEMPORARY tables are supported only by the InnoDB, MEMORY, MyISAM, and MERGE storage engines. It may occur for temporary tables created outside stored functions ...
https://dev.mysql.com/doc/refman/9.7/en/view-algorithms.html
The optional ALGORITHM clause for CREATE VIEW or ALTER VIEW is a MySQL extension to standard SQL. A reason to specify TEMPTABLE explicitly is that locks can be released on underlying tables after the temporary table has been created and before it ...For MERGE, the text of a statement that refers to the view and the view definition are merged such that parts of the view definition replace corresponding parts of the ...