在数据量激增的背景下，MySQL查询性能已成为开发者最头疼的问题之一。本文将分享经验证的"3步索引优化法"，配合最新工具链，带你实现查询效率的十倍提升。 -- 2025年常见陷阱 SELECT * FROM orders WHERE JSON_EXTRACT (metadata, '$.region') = 'Asia'; -- JSON路径查询未建索引 ...

Transform scrap wood into stunning epoxy side tables with welded steel bases in this woodworking project. Featuring a segmented ring made from various pieces of scrap barn wood and other collected ...

货拉拉是国内领先的同城货运数字化平台，成立于 2013 年。截⾄2025 年 4⽉ ，货拉拉业务覆盖全球 14 个市场 ，400+ 城市 ，其中中国内地总共覆盖 363 座城市 ，⽉活司机达 120 万 ，⽉活⽤户达 1400 万， 并在全球设有 6 ...

A simple, production-ready ETL pipeline demonstrating core data engineering principles: extracting data from multiple sources, transforming it using dimensional modeling, and loading it into a data ...

AI evolves from chat interfaces to enterprise reasoning systems as Oracle builds high-density infrastructure, sovereign ...

Due to the issue reported in #672 we wanted to switch over but without success and I am puzzled where the JSONB part is actually coming from, as PostgreSQL itself (14.6 in our case) does not report ...

HIGHLIGHTS Rock chip results from a recently completed reconnaissance program at the Tibooburra Gold Project defined new ...

These questions come from my Udemy training and the certificationexams.pro website, resources that have helped many students pass the DP-100 certification. These are not DP-100 exam dumps or ...

Snowflake (NYSE: SNOW), the AI Data Cloud company, today announced innovations that make it easier for organizations to ...