Overview You can now learn data analytics for free from top platforms like Google, Coursera, edX, and more - with ...

Excel doesn’t have a direct equivalent. To achieve the same result, you’d either have to piece together complex formulas with functions like SEARCH or write custom VBA scripts. While those approaches ...

Why is the language developers and DBAs use to organize data such a mess? Here are 13 reasons we wish we could quit SQL, even though we probably won't. For all its popularity and success, SQL is a ...

本文教你用SQL在Excel中实现动态数据清洗、跨表计算、条件分组，解决数据透视表无法实时更新、多表关联困难、计算字段繁琐等痛点。无需编程基础，跟着操作就能上手！ SELECTa.订单ID, b.客户等级, a.订单金额 ...

Four decades after its debut, finance chiefs say Excel’s consistency, flexibility and shared language keep it central to ...

Overview Free BI tools can deliver powerful analytics without heavy costs.Open-source options allow for customization and ...

I tested Claude 4.5 against ChatGPT-5 in 9 challenges from logic puzzles to storytelling. Here’s which AI won.

Cirrus TechVue introduces Kyubit BI to South Africa, a platform aimed at offering self-service dashboards and business ...

GitHub Copilot achieved the fastest time-to-first-code at 17 seconds during security vulnerability detection, but Claude Code ...

Next, I will start with the ETL process and application scenarios to explain why companies are willing to invest resources in ...