What is Eager Loading in Hibernate?
What is Eager Loading in Hibernate?
Eager Loading is a design pattern in which data initialization occurs on the spot. Lazy Loading is a design pattern that we use to defer initialization of an object as long as it’s possible.
What is the use of @lazy and @eager in Hibernate?
Lazy and Eager are two types of data loading strategies in ORMs such as hibernate and eclipse Link. These data loading strategies we used when one entity class is having references to other Entities like Employee and Phone (phone in the employee).
Is lazy loading better than Eager Loading?
Lazy Loading vs. Eager Loading. While lazy loading delays the initialization of a resource, eager loading initializes or loads a resource as soon as the code is executed. Eager loading also involves pre-loading related entities referenced by a resource.
What is eager fetching?
Eager fetching is the ability to efficiently load subclass data and related objects along with the base instances being queried.
What is eager load?
Eager loading is the process whereby a query for one type of entity also loads related entities as part of the query. Eager loading is achieved by the use of the Include method. It means that requesting related data be returned along with query results from the database.
When should I use eager loading?
Use Eager Loading when you are sure that you will be using related entities with the main entity everywhere. Use Lazy Loading when you are using one-to-many collections. Use Lazy Loading when you are sure that you are not using related entities instantly.
How does eager loading work?
Eager loading is a concept in which when retrieving items, you get all the needed items together with all (or most) related items at the same time. This is in contrast to lazy loading where you only get one item at one go and then retrieve related items only when needed.