How do you calculate running totals and moving averages in SQL?

How do you calculate running totals and moving averages 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: medium

标签: interviewbit, data-analyst, topic-specific, data-analysis, analytics

参考答案摘要

Running totals and moving averages are calculated using window functions with an OVER clause. A running total calculates a cumulative sum from the beginning up to the current row. For example: SELECT ...

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