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Course

Basic

SQL Basics

Start here if you’re new to SQL. Learn the basics of SQL, retrieve data from an SQL database and build simple reports.

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Details
129

Interactive exercises

10 h

Estimated time

321494

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22173 ratings

Databases are part of our everyday life, and being able to communicate with them is essential. This course will teach you the basics of SQL, a powerful query language that lets you work with many types of data.

The SQL Basics course starts with simple queries performed on a single table. These exercises will show you how to retrieve exactly what you need. Next, you’ll start working with multiple tables. You will find out about the subtle differences between various joining methods, including INNER JOIN, LEFT JOIN, RIGHT JOIN, and OUTER JOIN.

As you go deeper into the course, you’ll master using the GROUP BY function to create simple reports. You’ll also start investigating subqueries. Finally, you can test your knowledge (and earn your certificate!) in a comprehensive quiz.

Looking to get started in SQL? Give this course a try – the fascinating world of SQL queries is only a click away!

What Do You Need to Take This Course?

Just a web browser and an Internet connection

This Course Will Teach You How To:

  • Retrieve information from a database
  • Build basic reports from scratch
  • Write complex WHERE conditions, using logical operators like AND, OR, and NOT
  • Understand the LIKE, ILIKE, IN, and BETWEEN operators
  • Work with multiple tables
  • Use INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN
  • Create simple reports using GROUP BY and aggregate functions
  • Write subqueries and complex instructions
  • Understand SQL set operations: UNION, INTERSECT, and EXCEPT
 

Plus, you’ll get to practice your skills on over 129 interactive exercises.

Who Should Take This Course?

  • Anyone who wants to learn SQL
  • Analysts who use relational databases
  • Students taking courses in relational databases
  • Beginning programmers
  • Business database users who want to improve their skills

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A little bit on databases

Find out what relational databases are and get to know SQL – a language to talk to databases.

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Reviews (47)

Average rating

4.82/5

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★★★★★

22173 ratings

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