SQL Interview Questions

Practice 180 online SQL coding questions and ace your data job interview.

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ID Title Level FTPR Lecture
81 How many people searched on new year's day facebook easy
28%
2.2
82 The top search query on new year's day facebook easy
13%
2.2
83 Top search_query in US and UK on new year's day facebook medium
8%
4.2
84 Click through rate on new year's day facebook easy
10%
2.2
85 Top 5 queries based on click through rate on new year's day facebook hard
7%
2.2
86 Top song in the US spotify easy
15%
2.2
87 Top song in the US and UK spotify medium
7%
3.3
88 Top song report spotify medium
25%
4.2
89 Top 5 artists in the US spotify medium
17%
2.2
90 Top artist report spotify medium
11%
4.2
91 same day friend request acceptance rate facebook easy
14%
3.1
92 Acceptance rate first week of 2021 facebook easy
11%
2.1
93 number of sales for each product this month amazon easy
16%
2.2
94 Top 3 products vs. bottom 3 products amazon medium
7%
3.3
95 Candidate products for subscription amazon hard
4%
2.2
96 Overall acceptance rate facebook easy
14%
2.2
97 Social influencer facebook easy
4%
2.2
98 Most popular user facebook easy
32%
2.2
99 Page recommendation facebook medium
9%
3.1
100 Advertiser ROI facebook medium
0%
3.2
101 Average number of visits per user google easy
0%
2.2
102 Histogram by visit session duration google hard
13%
2.3
103 Median and average session duration by day of the week google medium
13%
4.3
104 MAU: Monthly active users google easy
33%
3.3
105 Number of days gap between last two actions google hard
20%
4.2
106 Mobile vs. web google medium
0%
2.2
107 Customer count by platform google medium
20%
2.2
108 Free amazon prime membership amazon hard
14%
4.1
109 Top 3 most popular product categories amazon easy
18%
4.2
110 Most popular product by category amazon medium
15%
4.2
111 Second most popular product amazon medium
17%
2.1
112 Top 3 customers amazon easy
42%
2.2
113 Daily cumulative spend amazon easy
0%
4.1
114 Dod revenue change rate amazon easy
15%
4.4
115 Rolling average revenue amazon hard
22%
4.1
116 Top answers day by device amazon easy
27%
4.2
117 Rolling 7 days total answers amazon easy
27%
4.1
118 Daily bookings in the US airbnb hard
7%
3.2
119 Top 3 countries by bookings airbnb hard
11%
4.2
120 First ever booking airbnb hard
13%
4.2
121 Week over week change of first ever bookings airbnb hard
0%
4.4
122 Top 3 countries by wow growth airbnb hard
33%
4.2
123 Top 10 listings in Australia, United Kingdom and Canada airbnb medium
20%
4.2
124 Active restaurants by city uber easy
50%
2.2
125 Active restaurants with fewer than 5 trips per city uber easy
0%
2.2
126 Top 3 restaurants uber hard
0%
2.1
127 Average rating after 10th trip uber hard
0%
4.2
128 Completion rate uber easy
20%
2.2
129 Top 3 and bottom 3 courier uber medium
17%
3.3
130 Newly created accounts affirm easy
33%
2.2