Introduction
Get an overview of the course and understand its prerequisites.
We'll cover the following
About this course
This course is structured to provide the most frequently asked interview questions related to SQL. It allows learners to attempt these questions and polish their query writing skills. The correct answers and similar questions are also provided in the subsequent lessons. Each lesson includes interactive widgets where you can practice and sharpen your skills. Each lesson is independent of the other, thus giving learners a chance to move across the course as they may like.
The questions in this course will revolve around the Employees, EmployeeDetails, Skills, Projects, StudentGrades, and Products tables to help learners relate similar concepts and apply learned skills to various problems.
Who should take this course?
This course is designed to provide hands-on experience in retrieving data from MySQL using various queries.
This course is intended for software engineers and professionals who are looking to pursue careers in the exciting field of databases.
Prerequisites of this course
We assume that you have some knowledge of SQL and are brushing up your skills to ace the upcoming interview for a job such as a back-end developer. We already have excellent courses available if you need any assistance in revisiting concepts. Have a look at the An Introductory Guide to SQL, Learn SQL From Scratch, and A Practical Guide to SQL and Database Fundamentals courses.
For folks interested in theoretical learning, we recommend checking out the Database Design Fundamentals for Software Engineers course, which provides the basics of database design.
You might also be interested in a specially curated path. The Become a Database Professional with SQL learning path will help you quickly revise the concepts needed for interviews. It consists of different modules focusing on database design, SQL, anomaly detection, and ways to avoid pitfalls of database programming.
Tip: A mnemonic to remember the sequence of the clauses:
Some French Waiters Grow Healthy Oranges & Lemons
SELECT FROM WHERE GROUP BY HAVING ORDER BY & LIMIT