Spring Framework Master Class - Java Spring the Modern Way - Step 18 - Implementing the findAll Using a JPQL Named Query

The video tutorial explains how to use the JPA repository to find all persons in a database using JPQL instead of SQL. It introduces the concept of named queries, detailing how to create, define, and execute them using an entity manager. The tutorial also covers the migration from JDBC to JPA repository, emphasizing the use of entities over database tables. The process is demonstrated with examples, showing how to print data from the database using named queries.

What is the primary difference between SQL and JPQL?

• SQL uses entities, while JPQL uses tables.

• JPQL uses entities, while SQL uses tables.

• Both SQL and JPQL use tables.

• Both SQL and JPQL use entities.

What is a named query in JPA?

• A query that is executed without a name.

• A query that is defined with a specific name for reuse.

• A query that is only used once.

• A query that does not return any results.

How do you retrieve results from a named query in JPA?

• Using the retrieveData method.

• Using the fetchResults method.

• Using the getResultList method.

• Using the executeQuery method.

Where is a named query defined in JPA?

• In the application configuration file.

• On the entity to which the query maps.

• In the main application class.

• On the database table.

What was the outcome of migrating from JDBC to JPA in the tutorial?

• The application became slower.

• The application stopped working.

• The application could not connect to the database.

• The application was able to use named queries effectively.