This study guide covers the internal workings of a basic SQL SELECT statement in Oracle. We'll focus on how the query retrieves data from a table and how it determines which rows to select. The query ...

The SQL Developer unit testing framework involves a set of sequential steps for each test case. The steps are as follows, including the user input for before the step is run and the framework ...

In this hands-on, we will work on a library model. In this scenario, we will become the developers and maintainers of the database system of a public library. The library administrators want to ...