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There are two attributes you can put on your entity class properties: one is a convenience, the other is essential, and both are required when the primary key for a table consists ... naming ...
but some entities have more than one value as their primary key. In this case, you need to use a composite key. This Java tip introduces you to using composite keys in JPA and Hibernate.
SAN FRANCISCO & SAN MATEO, Calif.--(BUSINESS WIRE)--Composite Software and RainStor today announced that Composite has added access to RainStor’s Big Data management database, growing the list ...
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