Hi.Do Apply statement functions such as Sum or substract? | SoloLearn: Learn to code for FREE!

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Hi.Do Apply statement functions such as Sum or substract?

2/20/2017 10:32:15 AM

sajad

3 Answers

New Answer

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SELECT SUM(Salary) FROM employees; its on next lessons

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Select sum(cost) as sum of cost ,customer from order group by customer

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write more clear please