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https://dev.mysql.com/doc/refman/8.0/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/8.0/en/mysql-cluster-replication-preparation.html
If the source cluster is already in use, you can create a backup of the source and load this onto the replica to cut down on the amount of time required for the replica to synchronize itself with the source. ndb-connectstring=management_host[:port] ... Preparing the NDB Cluster for replication consists of the following steps: Check all MySQL servers for version compatibility (see Section 25.7.2, “General Requirements for NDB Cluster ...
https://dev.mysql.com/doc/refman/8.0/en/mysqldump-sql-format.html
This section describes how to use mysqldump to create SQL-format dump files. With --all-databases or --databases, mysqldump writes CREATE DATABASE and USE statements prior to the dump output for each database. This ensures that when the dump file ...For information about reloading such dump files, see Section 9.4.2, “Reloading SQL-Format ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-management.html
Note All partitions of a partitioned table must have the same number of subpartitions; it is not possible to change the subpartitioning once the table has been created. To change a table's partitioning scheme, it is necessary only to use the ALTER ... There are a number of ways using SQL statements to modify partitioned tables; it is possible to add, drop, redefine, merge, or split existing partitions using the partitioning extensions to the ALTER TABLE ...
https://dev.mysql.com/doc/refman/8.0/en/partitioning-pruning.html
In the second case, the optimizer evaluates the partitioning expression for each value in the list, creates a list of matching partitions, and then scans only the partitions in this partition list. The optimization known as partition pruning is ...
https://dev.mysql.com/doc/refman/8.0/en/precision-math-examples.html
Consider these statements: mysql> CREATE TABLE t (i INT, d DECIMAL, f FLOAT); mysql> INSERT INTO t VALUES(1,1,1); mysql> CREATE TABLE y SELECT AVG(i), AVG(d), AVG(f) FROM t; The result is a double only for the floating-point argument. This section ...
https://dev.mysql.com/doc/refman/8.0/en/programs-overview.html
This program creates the SSL certificate and key files and RSA key-pair files required to support secure connections, if those files are missing. Files created by mysql_ssl_rsa_setup can be used for secure connections using SSL or RSA. mysqladmin A ...Later sections provide a more detailed description of each one, with the exception of NDB Cluster ...
https://dev.mysql.com/doc/refman/8.0/en/rename-table.html
You must have ALTER and DROP privileges for the original table, and CREATE and INSERT privileges for the new table. In such cases, you must drop and re-create the foreign keys for them to function properly. row *************************** Table: t3 ... RENAME TABLE tbl_name TO new_tbl_name [, tbl_name2 TO new_tbl_name2] ...
https://dev.mysql.com/doc/refman/8.0/en/replication-solutions-diffengines.html
Configuring different engines on the source and replica depends on how you set up the initial replication process: If you used mysqldump to create the database snapshot on your source, you could edit the dump file text to change the engine type used ... It does not matter for the replication process whether the original table on the source and the replicated table on the replica use different storage engine ...
https://dev.mysql.com/doc/refman/8.0/en/silent-column-changes.html
In some cases, MySQL silently changes column specifications from those given in a CREATE TABLE or ALTER TABLE statement. Trailing spaces are automatically deleted from ENUM and SET member values when the table is created. Specifying the CHARACTER ...These might be changes to a data type, to attributes associated with a data type, or to an index ...