What are aggregate functions in SQL?

What are aggregate functions in SQL?

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: easy

标签: intellipaat, sql, topic-specific, sql, database

参考答案摘要

Aggregate functions in SQL carry out a computation over a collection of values and produce a single outcome. Typical instances encompass: COUNT(): Returns the number of rows. SUM(): Returns the total ...

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