Master Microservices with Spring Boot and Spring Cloud - Step 3 – Introduction to JPA

The video tutorial introduces JPA as a solution to object-relational mapping (ORM) challenges, explaining how it maps application classes to database tables using entities and relationships. It covers the use of entity managers for data operations and introduces JPQL and Criteria API for querying. The tutorial also discusses annotations for mapping fields and establishing relationships, including many-to-many and inheritance mappings. The session concludes with a summary of JPA's capabilities and a preview of future steps for hands-on learning.

What is the main problem that JPA addresses in application development?

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How does JPA allow you to map application classes to database tables?

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What role does the entity manager play in JPA?

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Explain the difference between JPQL and SQL.

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What is the purpose of the @Table annotation in JPA?

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Describe how JPA handles relationships between entities.

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What is inheritance mapping in JPA, and how is it implemented?

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