2021年3月1日
sql vs nosql
摘要： sql: mysql postgres relation is good for write not for read schdema is more predictable and tidy 阅读全文
posted @ 2021-03-01 06:59 anyu686 阅读(54) 评论(0) 推荐(0)
cloud provider compare
摘要： 1 AZ AWS 55; microsoft 48 google 18 (2019) 2 Market share aws 40%, microsftt 30%, google 20% 3 offered service compute : eC2 , vm, colud engine speed 阅读全文
posted @ 2021-03-01 05:46 anyu686 阅读(90) 评论(0) 推荐(0)