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select sum(population) from city where district ='California';
it's case sensetive. don't use 'california' insteaad of 'California'
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Revising Aggregations - The Sum Function
You are viewing a single comment's thread. Return to all comments →
select sum(population) from city where district ='California';
it's case sensetive. don't use 'california' insteaad of 'California'