Скачать или смотреть Hibernate Tip: Using LEFT JOIN and FETCH JOIN in a CriteriaQuery

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In todays tip video, I will show you how to use LEFT JOINs and FETCH JOINs in a CriteriaQuery.

JPA’s different JOIN clauses are one of the essential parts of JPQL and the Criteria API. They tell Hibernate which database tables it shall join in the generated SQL query and how it shall do that.
Unfortunately, the Criteria API is not as easy to use as most of us would prefer. That’s especially the case if you want to use a JOIN FETCH clause or select multiple entities.

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