Many people are confused by various JOIN operations supported by SQL. Learn to master the SQL command line with this crash course in JOIN syntax.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

Peter follows up on advice for joining collections with LINQ and getting all of the results, but this time, he uses the method-based syntax.

There’s nothing worse for a developer than an SQLException in Hibernate and JPA. And there’s nothing more annoying than when the SQLException happens before any of the persistence code even runs. But ...