【面试题】 有一张“学生成绩表”，包含4个字段：班级id、学生id、课程id、成绩。 问题1： 求出每个学生成绩最高的三条记录 问题2： 找出每门课程都高于班级课程平均分的学生 【解题步骤】 1. topN问题 问题1是常见的排名问题（topN问题） ...

LOS ANGELES — Several Dodgers made it clear in the aftermath of clinching the National League pennant that the ultimate 2025 goal has not yet been reached. But there’s still time to appreciate the ...

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 ...

Mapping and geochemical sampling across the Teichman area in the Egina Gold Camp has defined multiple prospects over an area of 1.3 x 2.5 km, with strong potential along two main shear corridors. The ...

Solver, an AI-accelerated xFP&A (extended financial planning and analysis) software company, today announced its new integration with Microsoft Fabric. The integration enables Solver customers working ...

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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 ...

Community driven content discussing all aspects of software development from DevOps to design patterns. Despite the title, this is not an AZ-400 exam braindump in the traditional sense. I do not ...

Individual retirement accounts (IRAs) are a common way to save for retirement. IRAs offer tax benefits and encourage you to leave funds untouched by imposing early withdrawal fees if you access the ...