SQL Interview Preparation: Solving Top Questions with Ease | 24 Daily Advanced SQL Practice
ฝัง
- เผยแพร่เมื่อ 27 ธ.ค. 2024
- 🚀 Crack SQL Interviews with Ease!
In this video, we tackle a common SQL interview question using Common Table Expressions (CTEs), aggregate functions, and the GROUP BY clause. You'll learn step-by-step how to:
Create and use a CTE effectively.
Apply aggregate functions like SUM, COUNT, AVG, etc.
Use the GROUP BY clause to organize your query results.
This example is perfect for anyone preparing for SQL job interviews, whether you're a beginner or brushing up your skills for an advanced role.
📌 What You’ll Gain
Clear understanding of CTEs in SQL.
Practical use of GROUP BY and aggregate functions.
Tips to solve similar SQL questions in interviews confidently.
🔗 Watch till the end for insights into crafting optimized SQL queries that impress recruiters!
💼 Prepare for interviews with real-world SQL examples. Don't forget to like, share, and subscribe for more SQL tips and tricks!
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-----------------------------Create Table------------------------------------------
CREATE TABLE car_launches(year int, company_name varchar(15), product_name varchar(30));
INSERT INTO car_launches VALUES(2019,'Toyota','Avalon'),
(2019,'Toyota','Camry'),
(2020,'Toyota','Corolla'),
(2019,'Honda','Accord'),
(2019,'Honda','Passport'),
(2019,'Honda','CR-V'),
(2020,'Honda','Pilot'),
(2019,'Honda','Civic'),
(2020,'Chevrolet','Trailblazer'),
(2020,'Chevrolet','Trax'),
(2019,'Chevrolet','Traverse'),
(2020,'Chevrolet','Blazer'),
(2019,'Ford','Figo'),
(2020,'Ford','Aspire'),
(2019,'Ford','Endeavour'),
(2020,'Jeep','Wrangler')