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Hibernate is known to be an object-relational mapping framework used in the Java programming language. Hibernate is responsible for mapping the Java classes to database tables. Amazing thing is, you don't need to write even a single line of code because of XML files.
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Criteria creation
Optimistic locking
Hibernate native queries
Lock mode class
Database level checks
Spring and Hibernate MCQ questions
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It represents the absence of a lock
All objects switch to this lock mode at the end of a Transaction
Objects associated with the session via a call to update() or saveOrUpdate() also start out in this lock mode
If an object is requested with this lock mode, a WRITE lock will be obtained if it is necessary to actually read the state from the database
Answer:
If an object is requested with this lock mode, a WRITE lock will be obtained if it is necessary to actually read the state from the database
The default value of discriminatorType element in @DiscriminatorColumn is DiscriminatorType.INTEGER
the @Inheritance annotation is used on the subclass to setup the inheritance mapping strategy
the @DiscriminatorValue annotation is used to specify the value in the in the discriminator column in database
the name element of @DiscriminatorColumn annotation specify the name of table
Answer:
the @DiscriminatorValue annotation is used to specify the value in the in the discriminator column in database