ORM- JPA AEH- Quiz

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Test your JPA propagation and query knowledge.

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Swati Nikam

India

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ORM- JPA AEH- QuizOnline version Test your JPA propagation and query knowledge. by Swati Nikam 1 Which API creates a JPQL query from a string? a EntityManager.merge() b EntityManager.find() c EntityManager.persist() d EntityManager.createQuery() 2 Which annotation defines a static query with a name? a @NamedQuery b @NamedQuerys c @NamedQueries d @Query 3 How are named query parameters defined? a Using %name b Using ?name c Using #name d Using :name 4 Which cascade type propagates all operations to related entities? a CascadeType.MERGE b CascadeType.PERSIST c CascadeType.REMOVE d CascadeType.ALL 5 Which annotation defines a join table for associations? a @JoinTable b @ManyToOne c @OneToMany d @JoinColumn 6 Which annotation is commonly used on the owning side of a @OneToOne relationship? a @SecondaryTable b @JoinColumn c @ManyToOne d @MappedSuperclass 7 What does @JoinColumn primarily configure in a relationship? a The primary key of the target entity b The fetch strategy c The cascade type d The foreign key column in the owning entity 8 How is a unidirectional @ManyToOne association usually mapped? a With @OneToOne only b With @MappedSuperclass c With a @JoinColumn on the many side d With @SecondaryTable 9 What is the JPA entity lifecycle state for a new object not yet associated with a persistence context? a Removed b Transient c Managed d Detached 10 Which lifecycle state represents an entity that has been removed from the persistence context but still exists in the database? a Detached b Managed c Removed d Transient 11 What is the primary role of the persistence context in ORM? a Manages transaction isolation level b Stores only SQL queries c Generates database schemas d Tracks entity states and serves as first-level cache

ORM- JPA AEH- QuizOnline version

Test your JPA propagation and query knowledge.

by Swati Nikam

Which API creates a JPQL query from a string?

EntityManager.merge()

EntityManager.find()

EntityManager.persist()

EntityManager.createQuery()

Which annotation defines a static query with a name?

@NamedQuery

@NamedQuerys

@NamedQueries

@Query

How are named query parameters defined?

Using %name

Using ?name

Using #name

Using :name

Which cascade type propagates all operations to related entities?

CascadeType.MERGE

CascadeType.PERSIST

CascadeType.REMOVE

CascadeType.ALL

Which annotation defines a join table for associations?

@JoinTable

@ManyToOne

@OneToMany

@JoinColumn

Which annotation is commonly used on the owning side of a @OneToOne relationship?

@SecondaryTable

@JoinColumn

@ManyToOne

@MappedSuperclass

What does @JoinColumn primarily configure in a relationship?

The primary key of the target entity

The fetch strategy

The cascade type

The foreign key column in the owning entity

How is a unidirectional @ManyToOne association usually mapped?

With @OneToOne only

With @MappedSuperclass

With a @JoinColumn on the many side

With @SecondaryTable

What is the JPA entity lifecycle state for a new object not yet associated with a persistence context?

Removed

Transient

Managed

Detached

Which lifecycle state represents an entity that has been removed from the persistence context but still exists in the database?

Detached

Managed

Removed

Transient

What is the primary role of the persistence context in ORM?

Manages transaction isolation level

Stores only SQL queries

Generates database schemas

Tracks entity states and serves as first-level cache

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ORM- JPA AEH- Quiz

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Created by

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ORM- JPA AEH- QuizOnline version

by Swati Nikam

Which API creates a JPQL query from a string?

Which annotation defines a static query with a name?

How are named query parameters defined?

Which cascade type propagates all operations to related entities?

Which annotation defines a join table for associations?

Which annotation is commonly used on the owning side of a @OneToOne relationship?

What does @JoinColumn primarily configure in a relationship?

How is a unidirectional @ManyToOne association usually mapped?

What is the JPA entity lifecycle state for a new object not yet associated with a persistence context?

Which lifecycle state represents an entity that has been removed from the persistence context but still exists in the database?

What is the primary role of the persistence context in ORM?

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