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SQL Coding Questions & Answers

Practice 216 online coding questions and become a data expert.

ALL QUESTIONS

affirm afterpay airbnb amazon doordash dropbox ebay google linkedin lyft mobile netflix robinhood search engine snap social spotify tiktok twitter uber visa walmart

Multi-Table Operation: Lecture 3: UNION, UNION ALL

ID Title Level FTPR Lecture
46 Actors and customers whose last name starts with 'A' easy
32%
3.3
47 Actors and customers whose first names end in 'D'. easy
45%
3.3
57 Total number of actors (with UNION) easy
37%
3.3
87 Top song in the US and UK spotify medium
10%
3.3
94 Top 3 products vs. bottom 3 products amazon medium
6%
3.3
104 MAU: Monthly active users mobile easy
19%
3.3
129 Top 3 and bottom 3 courier uber medium
10%
3.3

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