Sunday, May 7, 2023

IntreviewQuestion||Ask by Amazon Shopify || Stratascratch

 

--Find the customer with the highest daily total order cost between 2019-02-01 to 2019-05-01. If the customer had more than one order on a certain day, sum the order costs on a daily basis.


--Output the customer's first name, the total cost of their items, and the date.


Check out the solution:

https://youtu.be/u1blDrpxPgY


Click here to download the script:



Saturday, May 6, 2023

Data Analyst LinkedIn SQL Interview Question

 

Data Analyst LinkedIn SQL Interview Question


--Given a table of candidates and their skills, you're tasked with finding the candidates best suited for an open Data Science job. You want to find candidates who are proficient in Python, Tableau, and PostgreSQL.


--Write a query to list the candidates who possess all of the required skills for the job. Sort the output by candidate ID in ascending order.


https://datalemur.com/questions/matching-skills

Check out my solution:

Monday, May 1, 2023

Highest Salary In Department by Pandas Ask by Twitter:

 Highest Salary In Department by Pandas Ask by Twitter:


Find the employee with the highest salary per department.
Output the department name, and employee's first name along with the corresponding salary.


check out my solution:



Click here to download:


"🚀 Delta Lake's Vectorized Delete: The Secret to 10x Faster Data Operations!"

"🚀 Delta Lake's Vectorized Delete: The Secret to 10x Faster Data Operations!" Big news for data engineers! Delta Lake 2.0+ in...