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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Marguerita is a Certified Financial Planner (CFP), Chartered Retirement Planning Counselor ...

September 15, 2025, 8th Match, Group B, Hong Kong vs Sri LankaSri Lanka won by 4 wickets (with 7 balls remaining) ...

Violent Pro-Palestine protests have broken out in Bern with footage capturing demonstrators hurling tables at police officers amid clashes. Following the outbreak of violence in the Swiss capital this ...

Tim McManus covers the Philadelphia Eagles for ESPN. He joined ESPN in 2016 after covering the Eagles for Philadelphia Magazine's Birds 24/7, a site he helped create, since 2010. EAST RUTHERFORD, N.J.

The Quebec government has deposited a draft of a proposed provincial constitution which the premier says will "affirm Quebec’s distinct national character." The constitution, filed at the National ...