SQL Interview Preparation - AI-Powered Course

SQL Interview Preparation

This SQL interview prep course covers basic concepts, such as CRUD, sorting, grouping, and joins, to help developers ace their interviews.

Beginner

52 Lessons

Certificate of Completion

This SQL interview prep course covers basic concepts, such as CRUD, sorting, grouping, and joins, to help developers ace their interviews.

AI-POWERED

Mock Interview

Explanations

AI-POWERED

Mock Interview

Explanations

This course includes

161 Playgrounds

36 Quizzes

This course includes

161 Playgrounds

36 Quizzes

Course Overview

This course will help you prepare for your next SQL coding interview. Various problem statements have been provided to evaluate your knowledge and learn to write perfect queries quickly. The course starts with interview questions on basic CRUD queries. Afterward, interview questions involving different SQL functions, including aggregate and date and time functions, are posed. Then, questions related to data grouping and sorting are presented. Toward the end of the course, more challenging questions related...Show More

TAKEAWAY SKILLS

Sql

Database

Prepare For Interview

Problem Solving

What You'll Learn

An understanding of interview questions regarding SQL

Hands-on exercises to practice your skills

The ability to solve coding problems with different techniques

Familiarity with different SQL functions

A working knowledge of combining SQL queries

What You'll Learn

An understanding of interview questions regarding SQL

Course Content

Get Started

Enhance SQL query skills with interview-focused exercises, independent lessons, and hands-on practice for professionals.

Introduction

CRUD Operations

Master SQL CRUD operations: insert, update, delete records efficiently and verify actions.

Question: Insert a Record

Answer: Insert a Record Question: Update a Value Answer: Update a Value Question: Delete a Record Answer: Delete a Record

Aggregate Functions

Master SQL aggregate functions like SUM, AVG, MIN, MAX, and COUNT for data analysis.

Question: Aggregate Records Using SUM Answer: Aggregate Records Using SUM Question: Aggregate Records Using AVG Answer: Aggregate Records Using AVG Question: Aggregate Records Using MIN/MAX Answer: Aggregate Records Using MIN/MAX Question: Aggregate Records Using COUNT Answer: Aggregate Records Using COUNT

Date and Time Functions

Learn to extract values and perform calculations using SQL date and time functions.

Question: Extract a Value From a Date Answer: Extract a Value From a Date Question: The DATE Column and Calculations Answer: The DATE Column and Calculations

Filtering

Master SQL filtering with WHERE and LIKE clauses for precise data retrieval.

Question: Filter with the WHERE Clause Answer: Filter with the WHERE Clause Question: Filter with the LIKE Operator Answer: Filter with the LIKE Operator

Grouping

4 Lessons

Learn to use the GROUP BY clause with AVG and SUM functions for data grouping.

Sorting

4 Lessons

Learn to sort and limit rows in SQL to find top records using clauses like ORDER BY and LIMIT.

Constraints

8 Lessons

Learn about SQL constraints ensuring data integrity: NOT NULL, UNIQUE, PRIMARY KEY, and FOREIGN KEY.

Working with JOINs

8 Lessons

Explore advanced SQL JOIN techniques for comprehensive data retrieval from multiple tables.

10.

Subquery

4 Lessons

Explore subqueries in SELECT and WHERE clauses for complex data retrieval and calculations.

11.

Final Remarks

1 Lesson

Master key SQL concepts and queries. Continue learning for successful interviews.

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Souvik Kundu

Front-end Developer

Eric Downs

Musician/Entrepeneur

Anthony Walker

@_webarchitect_

Evan Dunbar

ML Engineer

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