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 ...

“We are truly in uncharted waters right now,” says one area food bank official, as new guidance throws even partial food assistance payments into doubt for some families, and increases delays for all.