In hibernate, get() and load() are two methods which is used to fetch data for the given identifier. They both belong to Hibernate session class. Get() method return null, If no row is available in the session cache or the database for the given identifier whereas load() method throws object not found exception..
Thereof, what is difference between load and get method in hibernate?
Main difference between get() vs load method is that get() involves database hit if object doesn't exists in Session Cache and returns a fully initialized object which may involve several database call while load method can return proxy in place and only initialize the object or hit the database if any method other
Also, what is load in hibernate? up vote 0. Get() returns the object by fetching it from database or from hibernate cache whereas load() just returns the reference of an object that might not actually exists, it loads the data from database or cache only when you access other properties of the object.
Also know, how load method works in hibernate?
The load( ) method causes a proxy object to be constructed as a stand-in for the persistent object. It is only after some state is requested from the proxy that Hibernate issues the appropriate SQL to the database and builds the real persistent object.
Which statement is correct about Session Load () in hibernate?
In session. load(), Hibernate will not hit the database (no select statement in output) to retrieve the Stock object, it will return a Stock proxy object – a fake object with given identify value. In this scenario, a proxy object is enough for to save a stock transaction record.
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What is JPA specification?
The Java Persistence API (JPA) is a Java specification for accessing, persisting, and managing data between Java objects / classes and a relational database. JPA was defined as part of the EJB 3.0 specification as a replacement for the EJB 2 CMP Entity Beans specification. JPA also requires a database to persist to.What is lazy loading hibernate?
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Is Hibernate Session a thread-safe object? No, Session is not a thread-safe object, many threads can't access it simultaneously. In other words, you cannot share it between threads.What is hibernate criteria?
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Hibernate - Caching. Advertisements. Caching is a mechanism to enhance the performance of a system. It is a buffer memorythat lies between the application and the database. Cache memory stores recently used data items in order to reduce the number of database hits as much as possible.What is proxy in hibernate?
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A proxy is a subclass implemented at runtime. Hibernate creates a proxy (a subclass of the class being fetched) instead of querying the database directly, and this proxy will load the "real" object from the database whenever one of its methods is called.What is difference between save and persist method in hibernate?
1)First difference between save and persist is there return type. Similar to save method persist also INSERT records into database but return type of persist is void while return type of save is Serializable object. These were some differences between save, saveOrUpdate and persist method of Hibernate.What is the difference between lazy and eager loading in hibernate?
The first thing that we should discuss here is what lazy loading and eager loading are: Eager Loading is a design pattern in which data initialization occurs on the spot. Lazy Loading is a design pattern which is used to defer initialization of an object as long as it's possible.What is Evict in hibernate?
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Hibernate mappings are one of the key features of Hibernate. They establish the relationship between two database tables as attributes in your model. One to One — It represents the one to one relationship between two tables. One to Many/Many to One — It represents the one to many relationship between two tables.What is hibernate annotation?
Hibernate annotations are the newest way to define mappings without the use of XML file. You can use annotations in addition to or as a replacement of XML mapping metadata. Hibernate Annotations is the powerful way to provide the metadata for the Object and Relational Table mapping. 
