Master Hibernate and JPA with Spring Boot in 100 Steps - Step 28 - OneToOne Mapping - Bidirectional Relationship - Part

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Information Technology (IT), Architecture, Geography, Science
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University
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of relationship allows you to retrieve passport details from a student entity?
Self-referential relationship
Unidirectional relationship
Bidirectional relationship
Many-to-many relationship
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of establishing a bidirectional relationship between entities?
To eliminate the need for primary keys
To simplify the database schema
To increase the number of database tables
To allow navigation from one entity to another in both directions
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is data duplication in database tables considered undesirable?
It increases the complexity of queries
It leads to inconsistent data
It enhances data security
It improves data retrieval speed
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the 'owning side' of a relationship in a database refer to?
The entity that is queried more frequently
The entity that has more attributes
The entity that is referenced by the foreign key
The entity that contains the foreign key
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can you specify the owning side of a relationship in JPA?
By using the 'cascade' attribute
By using the 'fetch' attribute
By using the 'mapped by' attribute
By using the 'join column' attribute
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the table structure when the 'mapped by' attribute is correctly implemented?
A new table is created to manage the relationship
Both tables have foreign keys referencing each other
Only one table maintains the foreign key
No foreign keys are present in either table
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which entity should have the 'mapped by' attribute in a bidirectional relationship?
The non-owning side
Neither entity
The owning side
Both entities
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