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https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-quick.html
First, you need to create a configuration directory such as /var/lib/mysql-cluster, by executing the following command as the system root user: $> mkdir /var/lib/mysql-cluster In this directory, create a file named config.ini that contains the ...
https://dev.mysql.com/doc/refman/5.7/en/partitioning-types.html
With this type of partitioning, a partition is selected based on the value returned by a user-defined expression that operates on column values in rows to be inserted into the table. However, it is not difficult in MySQL to create partitioning ...
https://dev.mysql.com/doc/refman/5.7/en/mysql-cluster-programs-ndb-show-tables.html
By default, this includes not only both user-created tables and NDB system tables, but NDB-specific indexes, internal triggers, and NDB Cluster Disk Data objects as well. --type, -t Can be used to restrict the output to one type of object, specified ... ndb_show_tables displays a list of all NDB database objects in the ...
https://dev.mysql.com/doc/refman/5.7/en/prepare.html
preparable_stmt is either a string literal or a user variable that contains the text of the SQL statement. The scope of a prepared statement is the session within which it is created, which as several implications: A prepared statement created in ...
https://dev.mysql.com/doc/refman/5.7/en/windows-restrictions.html
This is because the physical address limit on Windows 32-bit is 4GB and the default setting within Windows is to split the virtual address space between kernel (2GB) and user/applications (2GB). DATA DIRECTORY and INDEX DIRECTORY The DATA DIRECTORY ... The following restrictions apply to use of MySQL on the Windows platform: Process memory On Windows 32-bit platforms, it is not possible by default to use more than 2GB of RAM within a single process, including ...
https://dev.mysql.com/doc/refman/5.7/en/information-schema-routines-table.html
DEFINER The account named in the DEFINER clause (often the user who created the routine), in 'user_name'@'host_name' format. If the routine has not been modified since its creation, this value is the same as the CREATED value. SQL_MODE The SQL mode ... The ROUTINES table provides information about stored routines (stored procedures and stored ...
https://dev.mysql.com/doc/refman/5.7/en/index-page-merge-threshold.html
Setting MERGE_THRESHOLD for a Table You can set the MERGE_THRESHOLD value for a table using the table_option COMMENT clause of the CREATE TABLE statement. row *************************** INDEX_ID: 91 NAME: id_index TABLE_ID: 68 TYPE: 0 N_FIELDS: 1 ...If the “page-full” percentage for an index page falls below the MERGE_THRESHOLD value when a row is deleted or when a row is shortened by an UPDATE operation, InnoDB attempts to merge the index page with a neighboring index ...
https://dev.mysql.com/doc/refman/5.7/en/gtid-functions.html
WAIT_FOR_EXECUTED_GTID_SET() monitors all the GTIDs that are applied on the server, including transactions that arrive from all replication channels and user clients. It does not take into account whether replication channels have been started or ...
https://dev.mysql.com/doc/refman/5.7/en/ndb-restore-different-number-nodes.html
See Section 21.6.8.2, “Using The NDB Cluster Management Client to Create a Backup”, for information about how to do this. The files created by the backup on each data node are listed here, where N is the node ID and B is the backup ID. Note When ... It is possible to restore from an NDB backup to a cluster having a different number of data nodes than the original from which the backup was ...
https://dev.mysql.com/doc/refman/5.7/en/replication-options-source.html
--show-slave-auth-info Command-Line Format --show-slave-auth-info[={OFF|ON}] Type Boolean Default Value OFF Display replica user names and passwords in the output of SHOW SLAVE HOSTS on the source server for replicas started with the --report-user ... This section describes the server options and system variables that you can use on replication source ...