The Sales Data Analyst Project is an end-to-end data analytics project designed to transform raw sales data into meaningful business insights using Python, MySQL, and Power BI. The project begins with ...

In this article, I will explain in an easy-to-understand way for beginners the true meaning of using a database, its specific role in web apps, and various tools for making updates and other tasks ...

Streamlit UI ↓ LangGraph Supervisor ├── Validation Agent → DB tools (customer/order checks) ├── Policy Agent → FAISS + tier rules + refund calculator └── Communication Agent → Gmail templates + audit ...

这篇文章把 Streamlit 最常用的三块内容串了一遍：多页面怎么组织、数据库怎么连、文件怎么处理。 streamlit 这几年在数据科学圈子里火得很快。不用学前端，不用折腾路由，纯 Python 就能把数据分析脚本变成像模像样的 Web 应用。但真要拿它做点正事 —— 比如搭 ...