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What is the use of dynamic-insert and dynamic-update attributes in a class mapping?

When we use the dynamic-insert and dynamic-update attributes in class mapping then we see:


In dynamic-update(defaults to false) attribute tells Hibernate whether to include unmodified properties in the SQL UPDATE statement. When dynamic-update property is set to true then Hibernate does not include unmodified properties in the update operation and


In dynamic-insert(defaults to false) attribute tells Hibernate whether to include null properties in the SQL INSERT statement. Let explore some examples to understand more clear about it. When we dynamic-insert property is set to true then Hibernate does not include null vaues for properties during the insertion operation.


This can be specified either via XML:

or using annotations:


@Entity

@org.hibernate.annotations.Entity(dynamicInsert = true, dynamicUpdate = true)

@Table (name="CAR")

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