SQL Interview questions & Answers | Part-2
In this video, we'll explore how to find the Nth highest and Nth lowest salaries in a database using SQL. We'll cover multiple methods including:
1. Using LIMIT and OFFSET
2. Subqueries
3. Self-Joins
4. Window Functions (DENSE_RANK)
Each method is explained step-by-step with examples to help you understand and implement these techniques in your own projects. Perfect for interview preparation and enhancing your SQL skills!
Use Below SQL script to create Employee Table:-
CREATE table Employees:-
Create table Employee
(
ID int auto_increment primary key ,
FirstName varchar(50),
LastName varchar(50),
Gender varchar(50),
Salary int
);
Insert records into Employee table
INSERT INTO Employee (FirstName, LastName, Gender, Salary)
VALUES
('Bob', 'Brown', 'Male', 27000),
('Charlie', 'Johnson', 'Male', 27000),
('Diana', 'Lee', 'Female', 26000),
('Frank', 'Black', 'Male', 24000),
('Grace', 'Green', 'Female', 24000),
('Hannah', 'Taylor', 'Female', 22000),
('Ivy', 'Wilson', 'Female', 21000),
('Larry', 'Moore', 'Male', 18000),
('Mona', 'Martin', 'Female', 16000),
('Nathan', 'Jackson', 'Male', 16000),
('Olivia', 'Lee', 'Female', 15000),
('Rita', 'Lewis', 'Female', 12000),
('Sam', 'Walker', 'Male', 10000);
You can download the final script from here👇:
https://github.com/Dodamanisagar/SQL-...
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Watch video SQL Interview questions & Answers | Part-2 online without registration, duration hours minute second in high quality. This video was added by user Sagar's Data Journey 25 July 2024, don't forget to share it with your friends and acquaintances, it has been viewed on our site 51 once and liked it 1 people.