Question 213
Premium Access
Sign in or upgrade to practice this question with full datasets, official solutions, and guided walkthroughs.
***** ** 2023-05-01
***** * ***** ** ****** ***** ******'* *********** ******* ** ***** ******** ******** ** *** ***** 4 ****** ** **** ****.
***********_******* = ***********_**** * *****_******
Table 1: visa_interchange_rate
*********** **** ** * *** **** * ******** **** *** **** ***** ****** *** ***** **** ***********, ** *** ******* ****. *** **** ** ******* *** ** *** ******* **** ** ******** ********, *** ***** ****** *** * ********* *** ** *****. *.*., **** ** ******* *** **** * *********** **** *** ********* ** 0.3%.
***_**** | ***_**** ------------------+-------------------------- ******_** | ****** ********_******** | *******(100) ***********_**** | *****
Table 2: visa_sales
******* **** ****** ***** ******* ************. ****** ** * ******* **** *** *******: * ******** **** *** *** * **** **** ****** ** **** ** ******* (******)
***_**** | ***_**** ------------------------+-------------------------- ********_** | ****** ******_** | ****** ********_******** | *******(100) **** | *** ***** | *** *****_****** | *****
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.
5:00
Run your query to preview results here.
