What is the difference between update and upgrade?
What is difference between getcurrentsession () and opensession ()?
Is merge better than update?
What is difference between eager and lazy loading?
What is primary key in er diagram?
What is cache region?
What is tag library descriptor?
What is a simple definition of a map?
Does entitymanager flush commit?
What is shared primary key?
What is the use of sessionfactory?
What is second level caching?
What is generationtype identity?
How many tables are required for many to many relationship?
What is a zero to many relationship?