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 ...

Duplicati handles the backup side of this hybrid setup. It's a Windows app with a web interface that makes scheduling backups ...

The MEMORY storage engine stores all data in memory (RAM), and is used for fast lookup of data. InnoDB supports a buffer pool ...

If you want to create bulk users in Office 365, you can use one of the methods mentioned below. Using Microsoft 365 Admin Center Using CSV file in Microsoft Admin Center Using Microsoft Entra Admin ...

CREATE TABLE Mobiles ( //start defination of the Mobiles Tables mobile_id INT AUTO_INCREMENT PRIMARY KEY, //unique ID for each mobile, auto incremented user_id INT, //integer column intended to link ...

What just happened? Researchers at University College London have developed a new type of solar cell capable of efficiently generating power from indoor light, a breakthrough that could reduce ...

Popular crypto wallet provider MetaMask has unveiled a new social login feature that enables users to set up their wallets using Google or Apple accounts. The move is aimed at making crypto wallet ...

A new online AI tool called Showrunner lets users create animated series in minutes, allowing for parodies of political figures or cartoon versions of themselves. NBC ...

In line with the recent launch of xAI’s controversial AI companions, Elon Musk’s AI company’s most recent iOS Grok subscriber feature allows users to generate NSFW (not safe for work) image and video ...