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

The video tutorial explains the single table inheritance strategy for mapping inheritance relationships to tables. It demonstrates how both part-time and full-time employees can be stored in a single table using this strategy. The tutorial highlights the performance benefits of this approach, as it requires only a simple select query. However, it also discusses potential data integrity issues due to nullable columns. The video further explains the use of a discriminator column to distinguish between different employee types.

What happens when you try to retrieve data from the employee table using a simple select query?

Explain the impact of nullable columns in the single table inheritance model.

How can you customize the name of the discriminator column in the single table inheritance?