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Import CSV and TXT files like a pro!
In this video, we cover the new IMPORTCSV and IMPORTTEXT functions in Excel, which simplify importing data into the application. The IMPORTCSV function allows importing CSV files using just the file ...
Supply Chain & Logistics Analytics is an end-to-end Data Analytics project designed to analyze supply chain performance, inventory levels, sales, transportation costs, delivery efficiency, and ...
A portfolio project using MySQL and SQL to analyze a synthetic B2B CRM sales pipeline. The project demonstrates data staging, data-quality checks, joins, aggregation, CTEs, business metric definitions ...
原创 最新推荐文章于 2026-09-24 15:39:54 发布 简介：面向Hive/MySQL数据分析场景的基站掉线率统计实践数据包，适合网络优化工程 ...
1. 为什么 load data local infile 会从 140 秒掉到 600 秒 load data local infile 是 MySQL 里批量导入 CSV 最快的原生手段之一，它绕过了逐行 INSERT 的 SQL 解析开销，直接把文件流灌进存储引擎。但很多人第一次遇到它变慢时，会误以为是磁盘或 CPU 的问题，重启机器、换 SSD、加大内存，结果耗时纹丝不动。我实测 ...
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