What do you mean by a factless fact table in the context of data warehousing?
What do you mean by a factless fact table in the context of data warehousing?
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: interviewbit, data-warehouse, topic-specific
参考答案摘要
A fact table with no measures is known as a factless fact table. It's essentially a crossroads of dimensions (it contains nothing but dimensional keys). One form of factless table is used to capture a...
答题技巧
技术面试题建议先理清思路再作答,从基础概念讲起,逐步深入。可以结合实际项目经验解释技术原理,展示你的理解深度和实践能力。
本题提供 STAR 原则详细解答和技术解析,登录匠人学院学习中心即可查看完整答案、收藏题目并进行模拟面试练习。