大数据

by Madan Thota Azure Power BI Automation - DataSets This is the fifth post in KPI's Power BI blog series. In this blog, we provide a high-level overview of dataset refresh and other dataset operation…

1.将多条数据合并为一条显示 SELECT '[ '+hName+' ]' FROM hobby FOR XML PATH('')结果： [ 爬山 ][ 游泳 ][ 美食 ]2.去掉替换多余的字符 SELECT STUFF(( Select ','+Chemistry from #T FOR XML PATH('')),1,1,'')…

这里只总结具体用法，至于redis的输出需要自己在redis-cli中试一下。 Redis中的数据结构 有以下5个基础数据结构 string 字符串 list 链表 hash 哈希表 set 集合 zset 有序集合 还有几个新的数据结构，感觉不是很常…

1.Redis的两种持久化方式 （1）RDB（Redis DataBase） 什么是RDB？ RDB持久化是将当前进程中的数据生成快照保存到硬盘(因此也称作快照持久化)，保存的文件后缀是rdb；当Redis重新启动时，可以读取快照文件恢复数据…

NoSQL Mongodb 下载mongodb的版本，两点注意 根据业界规则，偶数为稳定版，如1.6.X，奇数为开发版，如1.7.X 32bit的mongodb最大只能存放2G的数据，64bit就没有限制 性能 BSON格式的编码和解码都是非常快速的。它使…

by Madan Thota Endeca Information Discovery (EID) is a data discovery tool that helps business analysts to rapidly explore relevant data.  If you are already using Oracle Business Intelligence E…

by Myles Gilsenan As part of KPI's web series on Examining Oracle BI Applications 11g, Myles Gilsenen examines what is new in the Budgetary Control area Oracle's Financial Analytics 11.1.1.…

by Pavan Nanjundaiah As part of KPI's web series on Examining Oracle BI Applications 11g, Pavan Nanjundaiah examines what is new in the Fixed Assets area of Oracle's Financial Analytics. Areas o…

by Myles Gilsenan As part of KPI's web series on Examining Oracle BI Applications 11g, Myles Gilsenen examines what is new in the Budgetary Control area Oracle's Financial Analytics 11.1.1.…

by Pavan Nanjundaiah As part of KPI's web series on Examining Oracle BI Applications 11g, Pavan Nanjundaiah examines what is new in the Fixed Assets area of Oracle's Financial Analytics. Areas o…