What does the @Id annotation signify in a Hibernate entity?Marks a field as a unique identifierIndicates an inherited propertySpecifies the primary key of an entityDesignates a serializable property
Question
What does the @Id annotation signify in a Hibernate entity?Marks a field as a unique identifierIndicates an inherited propertySpecifies the primary key of an entityDesignates a serializable property
Solution
The @Id annotation in a Hibernate entity signifies that the field is the primary key of the entity. It marks the field as a unique identifier. This is crucial in relational databases where each row (which typically represents an entity) must have a unique key.
Similar Questions
Which annotation is used to specify a primary key in Hibernate?@PrimaryKey@Id@Column@Entity
What is the purpose of the @Entity annotation in Hibernate?To configure connection settingsTo create a database tableTo mark a class as an entityTo define a primary key
What is the role of the @GeneratedValue annotation in Hibernate?Specifies a foreign key relationshipManually assigns the primary key valueAutomatically generates the primary key valueValidates the primary key value
What is the purpose of the @Entity annotation in Hibernate?To create a new databaseTo mark a class as a stored procedureTo mark a class as an entityTo configure a session factory
How does Hibernate achieve database independence?Using JDBCThrough dialect configurationBy using JPA annotationsNone of these
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