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 ...

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

Open the OneNote app. Click File in the top menu. Select New. Choose a storage location (OneDrive is recommended for sync). Enter a name for your notebook. Click Create Notebook to finish. Want a ...

Conceptually, the Naya Create is a great idea, combining modularity and flexibility for many kinds of PC user in a compact and sleek package. In practice, however, there are still many rough edges to ...

MySQL is one of the world’s most widely used database management systems. It is easy to install and use and is usually free. Here’s how to use it. In our previous post, we took you through the basic ...

Pull requests help you collaborate on code with other people. As pull requests are created, they’ll appear here in a searchable and filterable list. To get started, you should create a pull request.

Have you ever found yourself scrolling endlessly through a long document, desperately trying to locate a specific section? Or maybe you’ve spent hours manually formatting a table of contents, only to ...

Create a report using charts: Select Insert > Recommended Charts, then choose the one you want to add to the report sheet. Create a report with pivot tables: Select Insert > PivotTable. Select the ...

Whether you’re hosting an intimate dinner party or a holiday feast for a crowd, creating a beautiful tablescape is a fun, creative way to set the mood. Everything from the glassware and flatware to ...