Answer
Databases are used to keep track of data and are used everywhere. Web-based applications and e-commerce rely on databases. They are essential for organization-wide operational and decision support applications. Furthermore, databases also are used by thousands of work groups and millions of individuals. So much data is stored in databases that it is vital that we study their structure, use, and capabilities.
Work Step by Step
Think about it, every day you may log in to a website, and that log-in and any other information they have, will be stored in a database. By studying and improving on databases, they become more efficient. As said above, there is so much data in databases, that it is very important to study them, their uses and what they are capable of, to advance as a species.
