Master Hibernate and JPA with Spring Boot in 100 Steps - Step 45 - JPA Inheritance Hierarchies and Mappings - Single Tab

What is the default strategy used for mapping inheritance relationships to tables?

• Single Table

• Joined Table

• None of the above

• Table per Class

In the single table inheritance strategy, how are part-time and full-time employees stored?

• In a view

• In a temporary table

• In separate tables

• In a single table

What is a key advantage of using the single table inheritance strategy?

• Multiple tables

• Complex queries

• Performance efficiency

• Data integrity

What is a potential issue with the single table inheritance strategy?

• Too many tables

• Complex joins

• Nullable columns

• Slow performance

What is the purpose of the discriminator column in single table inheritance?

• To distinguish between different employee types

• To store employee names

• To store timestamps

• To calculate salaries

How can you customize the name of the discriminator column?

• By using a database trigger

• By renaming the table

• By altering the table schema

• By using the @DiscriminatorColumn annotation

What happens to the discriminator column when you restart the application after renaming it?

• It remains unchanged

• It reverts to the default name

• It reflects the new name

• It gets deleted