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What are stored procedures in MySQL?

Stored procedures are precompiled SQL statements in MySQL for improving performance and simplifying complex operations. 1. Improve performance: After the first compilation, subsequent calls do not need to be recompiled. 2. Improve security: Restrict data table access through permission control. 3. Simplify complex operations: combine multiple SQL statements to simplify application layer logic.

May 01, 2025 am 12:27 AM

How does query caching work in MySQL?

The working principle of MySQL query cache is to store the results of SELECT query, and when the same query is executed again, the cached results are directly returned. 1) Query cache improves database reading performance and finds cached results through hash values. 2) Simple configuration, set query_cache_type and query_cache_size in MySQL configuration file. 3) Use the SQL_NO_CACHE keyword to disable the cache of specific queries. 4) In high-frequency update environments, query cache may cause performance bottlenecks and needs to be optimized for use through monitoring and adjustment of parameters.

May 01, 2025 am 12:26 AM

查询缓存MySql缓存

How to Fix External Monitor Not Using GPU on Windows 10/11?

Are you using an external monitor for your computer? If your computer not using dedicated graphics card when connected through an external monitor, then this guide from php.cn Website might help you out. Scroll down to find easy and effective solutio

May 01, 2025 am 12:26 AM

Keys in React: A Deep Dive into Performance Optimization Techniques

KeysinReactarecrucialforoptimizingperformancebyaidinginefficientlistupdates.1)Usekeystoidentifyandtracklistelements.2)Avoidusingarrayindicesaskeystopreventperformanceissues.3)Choosestableidentifierslikeitem.idtomaintaincomponentstateandimproveperform

May 01, 2025 am 12:25 AM

What are keys in React?

Reactkeysareuniqueidentifiersusedwhenrenderingliststoimprovereconciliationefficiency.1)TheyhelpReacttrackchangesinlistitems,2)usingstableanduniqueidentifierslikeitemIDsisrecommended,3)avoidusingarrayindicesaskeystopreventissueswithreordering,and4)ens

May 01, 2025 am 12:25 AM

Easy Ways to Turn off Password Protected Sharing on Windows

Password protected sharing is a very important feature in Windows designed to protect people’s privacy and data. For some reason, you may want to turn off password protected sharing. So, how to do that? This article on the php.cn Website will show yo

May 01, 2025 am 12:25 AM

Using Laravel Blade for Frontend Templating in Full-Stack Projects

LaravelBladeenhancesfrontendtemplatinginfull-stackprojectsbyofferingcleansyntaxandpowerfulfeatures.1)Itallowsforeasyvariabledisplayandcontrolstructures.2)Bladesupportscreatingandreusingcomponents,aidinginmanagingcomplexUIs.3)Itefficientlyhandleslayou

May 01, 2025 am 12:24 AM

phpMyAdmin: Managing SQL Databases with Ease

phpMyAdmin is a tool for managing MySQL and MariaDB databases through a web interface. 1) Create a database: Use the CREATEDATABASE command. 2) Create table and insert data: Use the CREATETABLE and INSERTINTO commands. 3) Create a view: Use the CREATEVIEW command to simplify querying. 4) Optimize table: Use the OPTIMIZETABLE command to improve query speed.

May 01, 2025 am 12:24 AM

sql数据库

How does PHP identify a user's session?

PHPidentifiesauser'ssessionusingsessioncookiesandsessionIDs.1)Whensession_start()iscalled,PHPgeneratesauniquesessionIDstoredinacookienamedPHPSESSIDontheuser'sbrowser.2)ThisIDallowsPHPtoretrievesessiondatafromtheserver.

May 01, 2025 am 12:23 AM

用户会话

The Ultimate Showdown: Git vs. GitHub

Git is a version control system, and GitHub is a Git-based code hosting platform. Git is used to manage code versions and history, and GitHub provides code hosting and collaboration capabilities. Git is suitable for all projects that require version control, GitHub is suitable for team collaboration and open source projects.

May 01, 2025 am 12:23 AM

GitHubgit

Windows 11 Enables You to Control RGB Lighting for PCs - MiniTool

You may have ever downloaded and installed third-party software for RGB controls. Now new features have been available for you to directly control RGB lighting on Windows 11. How to enable this feature? More information about RGB controls Windows 11

May 01, 2025 am 12:23 AM

Building a Full-Stack Application with Laravel: A Practical Tutorial

Laravelisidealforfull-stackapplicationsduetoitselegantsyntax,comprehensiveecosystem,andpowerfulfeatures.1)UseEloquentORMforintuitivebackenddatamanipulation,butavoidN 1queryissues.2)EmployBladetemplatingforcleanfrontendviews,beingcautiousofoverusing@i

May 01, 2025 am 12:23 AM

laravel

What are some best practices for securing PHP sessions?

The security of PHP sessions can be achieved through the following measures: 1. Use session_regenerate_id() to regenerate the session ID when the user logs in or is an important operation. 2. Encrypt the transmission session ID through the HTTPS protocol. 3. Use session_save_path() to specify the secure directory to store session data and set permissions correctly.

May 01, 2025 am 12:22 AM

会话管理PHP安全

KB5001567 Fixes Blue Screen and Printing Issues on Win10 20H2 - MiniTool

According to Microsoft, KB5001567 can fix the blue screen issue and printing issue on KB5000802. Is that real? How to download and install KB5001567? This post from php.cn provides details for you.

May 01, 2025 am 12:22 AM