Question 203
Premium Access
Sign in or upgrade to practice this question with full datasets, official solutions, and guided walkthroughs.
Table 1: apple_subscription
************ *****
****** | **** -----------------+----------------------------- ************_** | ****** *******_**** | ********* *******(100) ******* | ********* *******(2) *****_** | ********* ***_** | ********* ***** | ********* *******(20)
Table 2: dates
******** ***** **** 01/01/2019 ** 12/31/2025.
***_**** | ***_**** ----------+---------- **** | ******** ***** | ******** **** | ****
Sample results
Last Submission
postgresNo submission yet for this engine. Run and submit your query to save it here.
Submit a query to compare against expected output.
Interview timer
Recommended interview pacing
Easy: 5 min for direct warm-up style questions.
Medium: 10 min for multi-step interview queries.
Hard: 15 min for layered questions with tighter time pressure.
A common bar is solving about 2 medium-or-harder questions in a 30 minute interview.
15:00
Run your query to preview results here.
