The document discusses useful features of Oracle SQL Developer, an integrated development environment for working with Oracle databases. It provides a brief history of SQL Developer's releases and describes some of its core features, including a SQL editor, PL/SQL editor, query builder, tuning advisor, code snippets, fast DML templates, data modeling, debugging, reporting, and more. The presentation includes demonstrations of features like the query builder, tuning advisor, code snippets, and debugging. It concludes by providing additional resources and contact information for the presenter.