Master Hibernate and JPA with Spring Boot in 100 Steps - Step 23 - Introduction to One to One Relationship

What is a one-to-one relationship in the context of databases?

• A relationship where entities are related in a many-to-many fashion.

• A relationship where entities are not related at all.

• A relationship where one entity is associated with exactly one other entity.

• A relationship where one entity can be associated with multiple entities.

In the context of the video, what does the term 'owning the relationship' mean?

• The table that contains the foreign key.

• The table that is used for backup.

• The table that is not related to any other table.

• The table that contains the primary key.

Which annotation is used in JPA to define a one-to-one relationship?

• @ManyToOne

• @OneToOne

• @ManyToMany

• @OneToMany

Why is it important to insert passport data before student data in this example?

• To ensure the application does not start.

• To avoid creating a new table.

• To ensure the student table is empty.

• To maintain referential integrity between the tables.

What role does the passport ID play in the student table?

• It is used as a secondary key.

• It is not used in the student table.

• It serves as a foreign key.

• It acts as a primary key.

What is the primary key in the passport table used for in the student table?

• To update the student table.

• To delete entries in the student table.

• To reference the passport in the student table.

• To create a new table.

What is the purpose of using a foreign key in a database?

• To store unrelated data.

• To establish a relationship between tables.

• To delete data from tables.

• To create a backup of the database.