Installing and starting SQL nodes
SQL nodes are the most common form of API nodes, and are used to provide a standard MySQL interface to the cluster. To do this, they use a standard version of the MySQL server compiled to include support for the MySQL Cluster storage engine—NDBCLUSTER.
In earlier versions, this was included in most binaries, but to use more current and future versions of MySQL, you must specifically select the MySQL Cluster server downloads. It is highly recommended to install a mysql client on each SQL node for testing.
Note
Terminology sometimes causes confusion. A MySQL server is a mysqld process. A MySQL client is the mysql command that communicates with a MySQL server. It is recommended to install both on each SQL node, but ...
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