Dataford
Interview QuestionsInterview GuidesExperiencesMock InterviewsPricing
Get started
Automating Manual Reporting
00:00
5 left

Automating Manual Reporting

MediumSQL · PostgreSQL

Problem

Describe a situation where you had to use Excel or other tools to automate a manual reporting process.

For the SQL portion, write a repeatable query that produces the monthly report from the provided tables. Include all sellers, even those without qualifying orders.

Output

  1. One row per seller, with seller_name, completed_orders, and completed_revenue.
  2. Include only completed orders from January 2025; sellers without qualifying orders must show zero values.
  3. Sort by completed_revenue descending, then seller_name ascending.

Schema

sellers
ColumnTypeDescription
seller_idPKINTUnique seller identifier
seller_nameVARCHAR(100)Seller display name
regionVARCHAR(50)Seller operating region
orders
ColumnTypeDescription
order_idPKINTUnique order identifier
seller_idINTSeller associated with the order
order_dateDATEDate the order was placed
statusVARCHAR(30)Current order status
order_amountDECIMAL(12,2)Order revenue amount
Tablessellersorders
Interviewer

Your question is Automating Manual Reporting. Start with the requirements and the two tables in the Question tab.

Run and submit as often as you like. When you're ready, talk me through your approach or go straight to the code.

You need to log in / sign up to run or submit.
CodePostgreSQL
You need to log in / sign up to run or submit.Ln 1
Run your query to see results here.