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CODING TEST/SQL : HackerRank

[MySQL] Revising Aggregations - The Count Function

by 주 녕 2021. 4. 20.
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▶  SQL  >  Aggregation  > Revising Aggregations - The Count Function 

 Problem 

Query a count of the number of cities in CITY having a Population larger than 100,000.

Input Format

The CITY table is described as follows: 

 

 My Answer 

SELECT COUNT(*)
FROM CITY
WHERE POPULATION > 100000

 

 

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