Skip to main content

Course

Applying SQL to Real-World Problems

Intermediate4 hr

Find tables, store and manage new tables and views, and write maintainable SQL code to answer business questions.

Sql4 hr13 videos47 Exercises3,550 XP36,979Statement of accomplishment

Create Your Free Account

Continue with Google
or
By continuing, you accept our Terms of Use, our Privacy Policy and that your data is stored in the USA.

Loved by learners at thousands of companies

Training a Team?

Try for Business

Course Description

Now that you’ve learned the basic tools of SQL you are ready to synthesize them into practical, real-world skills. In this course, you will work with a database of a fictional movie rental company. The size and complexity of this database will allow you to experience the challenges of working with databases firsthand. Throughout this course, you will use SQL to answer business-driven questions. You will learn new skills that will empower you to find the tables you need. You will then learn how to store and manage this data in tables and views that you create. Best of all you will also learn how to write code that not only clearly conveys your intent but is also legible.

Prerequisites

Curriculum

Course outline

1

Use Real-World SQL

2

Find Your Data

How do you find the data you need in your database in order to answer real-world business questions? Here you will learn how to use system tables to explore your database. You will use these tables to create a new tool that contains a list of all tables and columns in your database. Finally, you will create an Entity Relationship Diagram (ERD) which will help you connect multiple tables.
Start Chapter
3

Manage Your Data

Working with SQL to solve real-world problems will oftentimes require you to do more than retrieve the data you need, oftentimes you will need to manage the data in your database. This includes creating data, updating it and, when necessary, deleting it.
Start Chapter
4

Best Practices for Writing SQL

How do you ensure that the SQL scripts you write will be easy to understand for anyone who needs to read them? This chapter will cover approaches you can leverage to ensure that your code clearly conveys your intent, is readable by others and follows best practices.
Start Chapter
S

Applying SQL to Real-World Problems

Course
Complete

Earn Statement of Accomplishment

Enroll Now

Grow your data skills with DataCamp for Mobile

Make progress on the go with our mobile courses and daily 5-minute coding challenges.