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SQL Coding Questions by Industry

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SQL Coding Questions by SQL Operations

Single table operations

SELECT, WHERE, AND, OR, ORDER BY, LIMIT

COUNT, SUM, AVERAGE, MIN, MAX, GROUP BY, HAVING

IN, BETWEEN, LIKE, CASE WHEN

Multi-table operations

INNER JOIN

OUTER JOIN

UNION, UNION ALL

WINDOW functions

AVG, SUM, MAX/MIN

ROW_NUMBER, RANK, DENSE_RANK

NTILE

LAG, LEAD

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SQL Coding Questions & Answers

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Multi-Table Operation: Lecture 1: INNER JOIN


ID Title Level FTPR Lecture
36 Actors from film 'AFRICAN EGG' easy
36%
3.1
37 Most popular movie category easy
17%
3.1
38 Most popular movie category (name and id) medium
18%
3.1
39 Most productive actor with inner join easy
23%
3.1
40 Top 2 most rented movie in June 2020 medium
15%
3.1
48 Movie and TV actors easy
43%
3.1
49 Top 3 money making movie categories medium
19%
3.1
50 Top 5 cities for movie rentals easy
23%
3.1
91 same day friend request acceptance rate music easy
11%
3.1
99 Page recommendation social medium
12%
3.1
150 Countries with above average customers social easy
10%
3.1
162 Number of orders per brand ecommerce easy
40%
3.1
179 Members who ever moved from Microsoft to Google human resource medium
35%
3.1
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akhila

Attempted problem 14

10 minutes ago

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Владислав

Solved problem 91

44 minutes ago

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Владислав

Solved problem 92

41 minutes ago

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Amy

Solved problem 40

21 minutes ago

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Amy

Solved problem 41

4 minutes ago

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Amy

Solved problem 39

26 minutes ago

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Владислав

Solved problem 94

31 minutes ago

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Владислав

Solved problem 93

36 minutes ago

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Владислав

Solved problem 90

48 minutes ago

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Владислав

Solved problem 95

9 minutes ago

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