The ultimate guide to SQL interviews. Practice with real-world interview questions developed by FAANG engineers. Prep faster with CRUD queries, SQL functions, and challenging joins/subqueries. Get interview-ready in hours.

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 to joins and subqueries are provided.

After completing this course, you will approach your SQL interview with boosted confidence and the ability to address the interview questions with clarity and precision.

SQL Interview Preparation

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Learn how to use the AVG function to aggregate records in a table using SQL query.

ProductID	ProductName	Category	Price	UnitsSold
1	Smartphone	Electronics	599.99	100
2	Laptop	Electronics	999.99	50
3	Headphones	Electronics	149.99	75
4	T-shirt	Apparel	19.99	200
5	Jeans	Apparel	39.99	150
6	Running shoes	Footwear	79.99	100
7	Bagpack	Accessories	49.99	80

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CRUD Operations

Aggregate Functions

Date and Time Functions

Filtering

Grouping

Sorting

Constraints

Working with JOINs

Subquery

Final Remarks

Question: Aggregate Records Using AVG

Question

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