Monthly Archives: August 2014

When you use Hibernate, you do so via a session. It is well known that the session acts as a first level cache, but sometimes this can cause confusing behaviour. Let’s look at a simple example. Suppose I have Customer … Continue reading →

When you interact with Hibernate, you do so via a Hibernate session. Hibernate sessions are flushed to the database in three situations: When you commit a (Hibernate) transaction. Before you run a query. When you call session.flush(). However, it is … Continue reading →

It’s well known that one of the key limitations of writing queries in Hibernate, using either HQL or criteria, is that you cannot write queries that have a join in the from clause. What is less well known is that … Continue reading →