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Alibaba
Foundations Track
Second-highest Salary
Alibaba wants a readout for second-highest salary. Return the second-highest salary amount in the table as second_highest_salary.
Alibaba
Foundations Track
Creators With Multiple 2024 Posts
At Alibaba, analysts are preparing a performance snapshot focused on creators with multiple 2024 posts. Return each creator_id that posted at least two items...
Alibaba
Foundations Track
2024 App Click Volume
Alibaba wants a coverage check for 2024 app click volume. Return each app_id and the total number of click events recorded in 2024. Sort by app_id.
Alibaba
Foundations Track
Frequent Support Callers
At Alibaba, analysts are preparing a priority review focused on frequent support callers. Return the distinct policy_holder_id values for members who made at...
Alibaba
Foundations Track
Alibaba Compressed Mode
You're given a table containing the item count for each order on Alibaba, along with the frequency of orders that have the same item count. Write a query to ...
Alibaba
Foundations Track
15 Compressed Mean
-- You're trying to find the mean number of items per order on Alibaba, rounded to 1 decimal place using tables which includes information on the count of it...
Alibaba
Foundations Track
April Webinar Share
Alibaba is reviewing april webinar share through a readout. Return the percentage of marketing touches that were webinars in April 2024, rounded to the neare...
Alibaba
Foundations Track
07. Compressed Mode [Alibaba Interview]
/*Level: MEDIUM You are trying to find the most common (aka the mode) number of items bought per order on Alibaba. However, instead of doing analytics on all...
Alibaba
Interview Core Track
Rolling Three-day Earnings
At Alibaba, analysts are preparing a scorecard focused on rolling three-day earnings. Return each user_id, transaction_date, and rolling_3_day_earnings based...