Code RoomActive subscriptions on date
HardPrep Room Coding #5085

Active subscriptions on date

SQLAlgorithms & data structuresSenior–Staff~15 min

Return the accounts with an active subscription on 2026-01-15: started on or before that date, and not cancelled before it. Give `name`, alphabetically.

What a strong answer looks like

Say what the query is meant to return before you write it, and name the shape of the answer: how many rows, grouped by what. Then watch the NULLs and the duplicates, because that is where most of these are lost.

Run onlyA query runs as one statement, so there is nothing to step through. Run it and read the rows.

0:00 of about 15 min

Expected, in this order

name
Acme
Globex
Initech
Northwind

Your result

Run your query to compare.

1 more set of rows are waiting. Free with an account.