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HackerRank_Solutions
SQL
Aggregation

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revising-aggregations-the-average-function.sql

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3 lines (3 loc) · 63 Bytes

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HackerRank_Solutions
SQL
Aggregation

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revising-aggregations-the-average-function.sql

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3 lines (3 loc) · 63 Bytes

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SELECT AVG(POPULATION)

FROM CITY

WHERE DISTRICT = 'California';

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