If we wanted to find the exact charge amount for some user's particular transaction, we write a SQL query that joins the user, subscription, invoice, and transaction tables and use the value from the ...

Have you ever wanted to build a database but don't know where to start? This course will provide you a step-by-step guidance. We are going to start from a raw idea to an implementable relational ...

Introduce the concepts about relational models. Train students on how to convert a conceptual entity relationship model to a relational model. Introduce students with the reasons and process of ...