Write a query to group employees by age ranges (e.g., 20–30, 31–40) and count the number of employees in each group.

12 months ago

This question was asked in Interview at black rock. read more Company: BlackRock CTC: 26LPA SQL Interview Question Question Q.…

What is Pareto Principle

12 months ago

The Pareto Principle, commonly known as the 80/20 rule, argues that 80% of the results are achieved with 20% of…

Running Total for Different Genders: Write an SQL query to find the total score for each gender at each day

12 months ago

This question was asked in Facebook interview, Ask is to provide Running Total for Different Genders. Source: LeetCode Difficulty: Medium…

SQL LAG function explained!!

1 year ago

Understanding the SQL LAG Function (With Examples) SQL LAG function is a powerful tool that enables you to access data…

Page Recommendations: Write an SQL query to recommend pages to the user

1 year ago

This question was asked in Facebook interview, Ask is to give page recommendation for user1 based on Friendship and Likes.…

Retrieve the name of the manager who supervises the most employees

1 year ago

Company: BlackRock CTC: 26LPA Source: Linked Post Q. Retrieve the name of the manager who supervises the most employees. Solution: SELECT…

Write a query to calculate the median salary of employees in a table.

1 year ago

Company: BlackRock CTC: 26LPA Source: Linked Post Q: Write a query to calculate the median salary of employees in a…

Identify products that were sold in all regions.

1 year ago

Query: SELECT product_id FROM sales GROUP BY product_id HAVING COUNT(DISTINCT region_id) = (SELECT COUNT(*) FROM regions); Explanation: We need to…

How to Lock a Cell in Excel?!

1 year ago

How to Lock a Cell in Excel: Locking cells in Excel is a valuable tool, it prevents unintended changes to…

SOF Imo Results 2024-25 Declared | Check Now!!

1 year ago

SOF Imo Results 2024-25 Declared : Discover the latest updates on the SOF IMO Results 2024-25, now declared for students from…