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数据治理:数据质量篇
2022-07-06 07:42:00 【Freedom3568】
文章目录
简介
本文将讲解数据质量管理的目标,质量问题产生的根源,数据质量的评估,数据质量管理流程。
一. Why? 为什么要作数据质量
数据质量管理主要解决「数据质量现状如何,谁来改进,如何提高,怎样考核」的问题。
因为最开始的关系型数据库时代,做数据治理最主要的目的,就是为了提升数据质量,让报表、分析、应用更加准确。时至今日,虽然数据治理的范畴扩大了很多,我们开始讲数据资产管理、知识图谱、自动化的数据治理等等概念,但是提升数据的质量,依然是数据治理最重要的目标之一。
为什么数据质量问题如此重要?因为数据要能发挥其价值,关键在于其数据的质量的高低,高质量的数据是一切数据应用的基础。
如果一个组织根据劣质的数据分析业务、进行决策,那还不如没有数据,因为通过错误的数据分
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