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SQL Coding Questions & Answers

Practice 216 online coding questions and become a data expert.

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Multi-Table Operation: Lecture 2: OUTER JOINS

ID Title Level FTPR Lecture
41 Productive actors vs less-productive actors hard
6%
3.2
42 Films that are in stock vs not in stock medium
11%
3.2
43 Customers who rented vs. those who did not medium
9%
3.2
44 In-demand vs not-in-demand movies medium
6%
3.2
45 Movie inventory optimization hard
7%
3.2
51 Movie only actor easy
43%
3.2
52 Movies cast by movie only actors easy
13%
3.2
53 Movie groups by rental income hard
11%
3.2
54 Customer groups by movie rental spend medium
21%
3.2
55 Busy days and slow days medium
11%
3.2
56 Total number of actors easy
32%
3.2
100 Advertiser ROI advertising medium
9%
3.2
118 Daily bookings in the US airbnb hard
5%
3.2
140 Daily sales of restaurant 100011 doordash hard
9%
3.2
168 Average number of streams in the US tiktok medium
13%
3.2
172 Comments distribution social hard
13%
3.2
191 Number of replies by group twitter medium
100%
3.2
194 Daily active users report for new market snap easy - 3.2
213 Interchange revenue by issuer and merchant category visa easy - 3.2

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