Which annotation is used to specify a primary key in Hibernate?@PrimaryKey@Id@Column@Entity
Question
Solution
The annotation used to specify a primary key in Hibernate is @Id. This annotation marks a field in an entity class as the primary key that uniquely identifies each record in the database table.
Explanation of Choices
@PrimaryKey: This is not a standard annotation in Hibernate.@Id: Correct choice for defining a primary key.@Column: Used to specify a column in the database table but does not denote the primary key.@Entity: Indicates that the class is an entity and is mapped to a database table but does not specify the primary key.
Final Answer
The correct annotation is @Id.
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