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4 年
秒懂数仓的前世今生:DBMS、DW、OLTP、OLAP到底是啥?(下篇)
编辑导读:在上一篇中,作者讲述了数仓的前世DBMS、今生数仓以及大家耳熟能详的OLAP。本篇文章讲的是数仓的今生——DW数据仓库(包含OLAP操作),一起来文中看一下吧。 由于数据量的不断膨胀,人们对数据需求的精细化(从月到天,从天到小时,从小时到 ...
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