SQL Essentials is a beginner’s course that will help you learn SQL programming from the basics and become proficient in writing medium to complex SQL queries and answering business questions.

This course is designed using ANSI SQL standard and uses one of the most in-demand skills – Spark SQL. These skills also apply to other major SQL databases, such as MySQL, Microsoft SQL Server, Amazon Redshift, Oracle, and more.

This course will help you learn the following topics.

1. Writing simple to complex SQL queries and answering business questions

2. Learn joins, group by, aggregates, and many other SQL clauses

3. Handling date, time, strings, and working with SQL functions

4. Master your skills with 50+ practice questions

This course specialises in the following complex aggregation and advanced SQL problems.

1. Selecting and Filtering

2. Different types of Join

3. Subqueries

4. CTE in SQL

5. String functions

6. Date and Time Arithmetic

7. Simple aggregation

8. Grouping Aggregation

9. Multi-level aggregation

10. Windowing Aggregation

This course also includes practice questions and hands-on exercises.

This course is ANSI SQL compliant and big data enabled – You will learn and practice SQL using Apache Spark SQL and be prepared to work as a Big Data Engineer using Apache Spark.

This is the best course for you if you are looking forward to growing as a Data Engineer.

Who this course is for:

• This course is designed for everyone who wants to learn and develop the skills of writing SQL queries and solving business problems using SQL language.
• This course is also designed for students who are absolute beginners in SQL programming.