SQL Interview Preparation—Intermediate Level

Master intermediate-level SQL concepts such as views, functions, indexes, and advanced data handling to confidently ace interviews for experienced SQL roles.

Intermediate

52 Lessons

10h

Certificate of Completion

Master intermediate-level SQL concepts such as views, functions, indexes, and advanced data handling to confidently ace interviews for experienced SQL roles.

AI-POWERED

Mock Interview

Explanations

AI-POWERED

Mock Interview

Explanations

This course includes

181 Playgrounds

35 Quizzes

This course includes

181 Playgrounds

35 Quizzes

Course Overview

Ready to stand out in your next SQL interview? This course is your ultimate guide to mastering intermediate—and advanced-level SQL concepts. It will help you write efficient queries and tackle even the toughest interview challenges. The course is designed for candidates with prior MySQL experience and takes you step-by-step through real-world SQL problems. You’ll start with database management basics like creating and deleting databases, then move on to important concepts such as views, aggregate functions...Show More

What You'll Learn

An understanding of intermediate-level SQL interview questions

Working knowledge of combining SQL queries

Hands-on exercises to practice your skills

The ability to solve coding problems using different techniques

Familiarity with different SQL functions

What You'll Learn

An understanding of intermediate-level SQL interview questions

Course Content

Get Started

Enhance your SQL skills through practical exercises and intermediate interview questions.

Introduction

Managing Databases

Evaluate your skills in database creation, deletion, and cascading deletes in SQL.

Question: Creating a Database

Answer: Creating a Database Question: Deleting a Database Answer: Deleting a Database Question: Cascading Delete Answer: Cascading Delete

Views

Test your skills in creating and managing SQL views for efficient data retrieval.

Question: Creating Views

Answer: Creating Views Question: Creating Views with Aggregate Functions Answer: Creating Views with Aggregate Functions

Indexes

Enhance SQL performance through effective index creation and optimization strategies.

Question: Creating an Index Answer: Creating an Index Question: Creating Composite Index Answer: Creating Composite Index

Stored Procedures

Master stored procedures in SQL for efficient data management and updates.

Question: Creating a Stored Procedure Answer: Creating a Stored Procedure Question: Parameterized Stored Procedures Answer: Parameterized Stored Procedures Question: Update Using Stored Procedures Answer: Update Using Stored Procedures Question: Insert Using Stored Procedures Answer: Insert Using Stored Procedures

Complex Data Handling

8 Lessons

Explore SQL techniques for string comparison, regular expressions, CASE statements, and CROSS JOINs.

Set Operators

6 Lessons

Master SQL set operators to efficiently combine, filter, and analyze data across multiple tables.

Ranking and Analytic Functions

6 Lessons

Master SQL window functions to analyze and rank sales performance effectively.

Window Functions

4 Lessons

Master aggregate window functions and JOINs for efficient SQL data analysis.

10.

Subquery

4 Lessons

Master SQL subqueries, HAVING clauses, and aggregate functions for effective data analysis.

11.

Final Remarks

1 Lesson

Recap essential SQL interview topics and explore advanced learning resources.

Trusted by 1.4 million developers working at companies

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

Evan Dunbar

ML Engineer

Carlos Matias La Borde

Software Developer

Souvik Kundu

Front-end Developer

Vinay Krishnaiah

Software Developer

Eric Downs

Musician/Entrepeneur

Kenan Eyvazov

DevOps Engineer

Anthony Walker

@_webarchitect_

Emma Bostian 🐞

@EmmaBostian

Hands-on Learning Powered by AI

See how Educative uses AI to make your learning more immersive than ever before.

Instant Code Feedback

Evaluate and debug your code with the click of a button. Get real-time feedback on test cases, including time and space complexity of your solutions.

AI-Powered Mock Interviews

Put your skills to the test in a simulated interview setting. Receive personalized feedback based on your performance. Available in Premium & Premium Plus plans.

Adaptive Learning

At various checkpoints throughout Educative courses, you will be prompted to take a quick assessment. Receive a condensed curriculum tailored to your strengths and skill gaps.

Explain with AI

Select any text within any Educative course, and get an instant explanation — without ever leaving your browser.

AI Code Mentor

AI Code Mentor helps you quickly identify errors in your code, learn from your mistakes, and nudge you in the right direction — just like a 1:1 tutor!