SQL Trick That Finds Users Everyone Misses 😳 | SQL Series #1
Автор: The Data-Driven PM
Загружено: 2026-03-18
Просмотров: 25
Описание:
Hello Guys,
In this video, we tackle an SQL interview problem, demonstrating how to effectively use join sql to solve a real-world scenario. You will learn some sql basics while identifying "Ghost Sellers" through practical sql queries interview questions and answers. This sql tutorial is perfect for anyone looking to improve their sql for beginners knowledge and ace their next sql interview.
🚀 Practice Script:
SQL
-- 1. Create Tables
CREATE TABLE Sellers (
seller_id INT PRIMARY KEY,
seller_name VARCHAR(50),
signup_date DATE
);
CREATE TABLE Sales (
sale_id INT PRIMARY KEY,
seller_id INT,
amount DECIMAL(10,2)
);
-- 2. Insert Data
INSERT INTO Sellers VALUES
(1, 'Shubham', '2026-01-01'),
(2, 'Aditi', '2026-01-02'),
(3, 'John', '2026-01-03'),
(4, 'Rahul', '2026-01-04'),
(5, 'Jessica', '2026-01-05');
INSERT INTO Sales VALUES
(101, 1, 500.00),
(102, 2, 300.00),
(103, 1, 150.00),
(105, 4, 250.00);
#TheDataDrivenPM #SQLJoins #LeftJoin #AmazonInterview #ProductManagement
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