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This chapter discusses using NDB Cluster with MySQL NDB Cluster Connector for Java, also known as ClusterJ.
ClusterJ is a high level database API that is similar in style and concept to object-relational mapping persistence frameworks such as Hibernate and JPA. Because ClusterJ does not use the MySQL Server to access data in NDB Cluster, it can perform some operations much more quickly than can be done using JDBC. ClusterJ supports primary key and unique key operations and single-table queries; it does not support multi-table operations, including joins.