
This course includes our updated coding exercises so you can practice your skills as you learn.
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Learn to use the in operator to filter customer records by country, selecting USA or Italy, by writing and executing a sql query.
Master left outer join concepts by seeing how it keeps all records from the left table and shows matching right table rows, with non-matches as nulls.
Learn to select all records from both the customer and orders tables using a full outer join, including unmatched rows, and write the sql to perform the join.
Explore how table order across joins affects results. Inner joins stay the same, while left and right joins change outputs; full joins remain unaffected.
Apply the inner join on the customer and orders tables, then filter the output to show only records where the item equals mobile.
Learn to filter groups using the having clause after group by item, calculating the total items sold with sum and keeping groups where the total sold exceeds four.
Learn to limit records returned by a select statement by ordering customers by amount descending and applying limit and offset to fetch the top buyers.
You'll learn how to read and write complex queries to a database using one of the most in-demand skills - PostgreSQL. These skills are also applicable to any other major SQL database, such as MySQL, Microsoft SQL Server, Amazon Redshift, Oracle, and much more.
Learning SQL is one of the fastest ways to improve your career prospects as it is one of the most in-demand tech skills! In this course, you'll learn quickly and receive challenges and tests along the way to improve your understanding!
In this course, you will learn everything you need to become a SQL Pro! Including:
Get started with PostgreSQL and PgAdmin, two of the world's most popular SQL tools
Learn the basics of SQL syntax
Analyzing data using aggregate functions with GROUP BY commands
Running advanced queries with string operations and comparison operations
Learn to use logical operators to add logic flow to your SQL queries
Learn common SQL JOIN commands
Learn to create tables and databases with constraints on data entries
Learn to use Python to further advance your SQL skills
and much, much more!
In this course, all the basic concepts of SQL are covered. And as this course teaches you SQL using animation it will be easy for you to learn SQL Concepts.
SQL is one of the most in demand skills for business analysts, data scientists, and anyone who finds themselves working with data! Upgrade your skill set quickly and add SQL to your resume by joining today!
I'll see you inside the course!
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