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Given three tables, user_dimension (user_id and account_id), account_dimension (account_id and paying_customer), and download_facts (date, user_id, and downloads), find the average number of downloads for free vs paying customers broken out by day.
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Data Analyst

Interviewed at Uber

3.7
Jun 2, 2017

Given three tables, user_dimension (user_id and account_id), account_dimension (account_id and paying_customer), and download_facts (date, user_id, and downloads), find the average number of downloads for free vs paying customers broken out by day.

CODING (weight: 50%) The string "PAYPAL IS HIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S I I G Y I R And then read line by line: PAHNAPLSIIGYIR Write the code that will take a string and make this conversion given a number of rows: String convert(String text, int nRows); convert("paypalishiring", 3) should return "pahnaplsiigyir"
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Software Engineer

Interviewed at PayPal

3.6
Dec 19, 2011

CODING (weight: 50%) The string "PAYPAL IS HIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S I I G Y I R And then read line by line: PAHNAPLSIIGYIR Write the code that will take a string and make this conversion given a number of rows: String convert(String text, int nRows); convert("paypalishiring", 3) should return "pahnaplsiigyir"

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