You may have noticed that the
Session object is the central point of access to Hibernate functionality. We will now look at what it embodies and what that implies about how you should use it.
From the examples in the earlier chapters, you will have noticed that a small number of classes dominate our interactions with Hibernate. Of these,
Session is the linchpin.
Session object is used to create new database entities, read in objects from the database, update objects in the database, and delete objects from the database. It allows you to manage the transaction boundaries of database access, and (in a pinch) it allows you to obtain a traditional JDBC connection object so that you can do things to the database ...