CyberSecurity & AI Experts
前往频道在 Telegram
🔰 Ethical Hacking and Cyber Security Official Telegram Channel 🔰 Free content to learn Hacking & AI For promotions: @coderfun
显示更多📈 Telegram 频道 CyberSecurity & AI Experts 的分析概览
频道 CyberSecurity & AI Experts (@ethicalhackingtoday) 英语 语言赛道中的 是活跃参与者。目前社区聚集了 44 106 名订阅者,在 技术与应用 类别中位列第 3 034,并在 印度 地区排名第 8 274 位。
📊 受众指标与增长动态
自 невідомо 创建以来,项目保持高速增长,吸引了 44 106 名订阅者。
根据 06 十一月, 2026 的最新数据,频道保持稳定运转。过去 30 天订阅人数变化为 132,过去 24 小时变化为 -11,整体触达仍然可观。
- 认证状态: 未认证
- 互动率 (ER): 平均受众互动率为 5.36%。内容发布后 24 小时内通常能获得 1.25% 的反应,占订阅者总量。
- 帖子覆盖: 每篇帖子平均可获得 2 366 次浏览,首日通常累积 550 次浏览。
- 互动与反馈: 受众积极参与,单帖平均反应数为 2。
- 主题关注点: 内容集中在 git, |--, cybersecurity, linux, attack 等核心主题上。
📝 描述与内容策略
作者将该频道定位为表达主观观点的平台:
“🔰 Ethical Hacking and Cyber Security Official Telegram Channel
🔰 Free content to learn Hacking & AI
For promotions: @coderfun”
凭借高频更新(最新数据采集于 07 十一月, 2026),频道始终保持新鲜度与高覆盖。分析显示受众积极互动,使其成为 技术与应用 类别中的关键影响点。
44 106
订阅者
-1124 小时
+257 天
+13230 天
正在加载数据
相似频道
79.4K
77.7K
74.3K
70.4K
51.9K
1
标签云
进出提及
---
---
---
---
---
---
吸引订阅者
十一月 '2611月 '26
十一月 '26
+71
在2个频道中
十月 '26
+475
在3个频道中
Get PRO
九月 '26
+388
在7个频道中
Get PRO
八月 '26
+596
在2个频道中
Get PRO
七月 '26
+839
在2个频道中
Get PRO
六月 '26
+492
在6个频道中
Get PRO
五月 '26
+776
在8个频道中
Get PRO
四月 '26
+272
在2个频道中
Get PRO
三月 '26
+448
在2个频道中
Get PRO
二月 '26
+775
在7个频道中
Get PRO
一月 '26
+1 005
在7个频道中
Get PRO
十二月 '25
+853
在0个频道中
Get PRO
十一月 '25
+1 119
在8个频道中
Get PRO
十月 '25
+883
在4个频道中
Get PRO
九月 '25
+710
在2个频道中
Get PRO
八月 '25
+802
在3个频道中
Get PRO
七月 '25
+900
在8个频道中
Get PRO
六月 '25
+1 397
在14个频道中
Get PRO
五月 '25
+2 431
在8个频道中
Get PRO
四月 '25
+3 542
在13个频道中
Get PRO
三月 '25
+1 163
在13个频道中
Get PRO
二月 '25
+814
在24个频道中
Get PRO
一月 '25
+1 009
在31个频道中
Get PRO
十二月 '24
+519
在14个频道中
Get PRO
十一月 '24
+481
在6个频道中
Get PRO
十月 '24
+968
在4个频道中
Get PRO
九月 '24
+981
在4个频道中
Get PRO
八月 '24
+696
在7个频道中
Get PRO
七月 '24
+1 338
在12个频道中
Get PRO
六月 '24
+2 157
在18个频道中
Get PRO
五月 '24
+1 620
在28个频道中
Get PRO
四月 '24
+1 778
在13个频道中
Get PRO
三月 '24
+1 851
在6个频道中
Get PRO
二月 '24
+1 534
在1个频道中
Get PRO
一月 '24
+3 052
在1个频道中
Get PRO
十二月 '23
+1 478
在1个频道中
Get PRO
十一月 '23
+592
在9个频道中
Get PRO
十月 '23
+385
在3个频道中
Get PRO
九月 '23
+380
在0个频道中
Get PRO
八月 '23
+737
在0个频道中
Get PRO
七月 '23
+748
在0个频道中
Get PRO
六月 '23
+73
在0个频道中
Get PRO
五月 '23
+119
在0个频道中
Get PRO
四月 '23
+183
在0个频道中
Get PRO
三月 '23
+116
在0个频道中
Get PRO
二月 '23
+136
在0个频道中
Get PRO
一月 '23
+120
在0个频道中
Get PRO
十二月 '22
+146
在0个频道中
Get PRO
十一月 '22
+200
在0个频道中
Get PRO
十月 '22
+170
在0个频道中
Get PRO
九月 '22
+244
在0个频道中
Get PRO
八月 '22
+242
在0个频道中
Get PRO
七月 '22
+122
在0个频道中
Get PRO
六月 '22
+220
在0个频道中
Get PRO
五月 '22
+275
在0个频道中
Get PRO
四月 '22
+109
在0个频道中
Get PRO
三月 '22
+302
在0个频道中
Get PRO
二月 '22
+245
在0个频道中
Get PRO
一月 '22
+398
在0个频道中
Get PRO
十二月 '21
+11
在0个频道中
Get PRO
十一月 '21
+6
在0个频道中
Get PRO
十月 '21
+25
在0个频道中
Get PRO
九月 '21
+273
在0个频道中
Get PRO
八月 '21
+98
在0个频道中
Get PRO
七月 '21
+408
在0个频道中
| 日期 | 订阅者增长 | 提及 | 频道 | |
| 07 十一月 | +2 | |||
| 06 十一月 | +5 | |||
| 05 十一月 | +3 | |||
| 04 十一月 | +5 | |||
| 03 十一月 | +6 | |||
| 02 十一月 | +31 | |||
| 01 十一月 | +19 |
频道帖子
✅ 7 Mistakes to Avoid in Coding Projects 🚫💻
1️⃣ Skipping Planning & Requirements
– Jumping into code without a clear goal leads to messy, unfocused projects.
2️⃣ Overcomplicating the Project
– Keep it simple. A small, finished project is better than an unfinished big one.
3️⃣ Not Using Version Control (Git)
– Always track changes with Git. It’s a must for real-world development.
4️⃣ Poor Folder Structure & Naming
– Keep files organized and use meaningful variable/function names.
5️⃣ No Documentation or README
– If others (or you later) can’t understand your code, it’s as good as useless.
6️⃣ Hardcoding Everything
– Use configs and keep your code reusable and scalable.
7️⃣ Not Deploying or Showcasing
– Hosting your project (Netlify, GitHub Pages, Vercel) boosts your portfolio.
💬 Double Tap ❤️ for more!
| 2 | 🚀 𝗗𝗮𝘁𝗮 𝗔𝗻𝗮𝗹𝘆𝘁𝗶𝗰𝘀 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝘂𝗿𝘀𝗲 📊
Learn Excel, SQL, Python & Power BI Live Online Data Analytics Program
💰 Highest Salary: ₹12.6 LPA
📈 Average Salary: ₹5.7 LPA
🏢 500+ Partner Companies
𝗔𝗽𝗽𝗹𝘆 𝗡𝗼𝘄👇 :-
https://pdlink.in/45vk5ph
🔥 Turn your interest in data into practical, job-ready skills! | 608 |
| 3 | 𝗝.𝗣. 𝗠𝗢𝗥𝗚𝗔𝗡 𝗙𝗥𝗘𝗘 𝗩𝗜𝗥𝗧𝗨𝗔𝗟 𝗣𝗥𝗢𝗚𝗥𝗔𝗠𝗦 𝟮𝟬𝟮𝟲! 🎓
Explore J.P. Morgan's FREE Virtual Job Simulation Programs
✅ 100% FREE Virtual Learning
✅ Work on Practical, Industry-Based Tasks
✅ Learn at Your Own Pace
✅ Build Valuable Professional Skills
🎯 Perfect For:- College Students | Freshers | Graduates | Job Seekers
🔗 𝗟𝗶𝗻𝗸 👇:-
https://pdlink.in/3X8KJmE
⚡ Learn New Skills • Gain Practical Exposure • Boost Your Career! | 735 |
| 4 | 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝘄𝗶𝘁𝗵 𝗚𝗲𝗻𝗔𝗜 - 𝗣𝗮𝘆 𝗔𝗳𝘁𝗲𝗿 𝗣𝗹𝗮𝗰𝗲𝗺𝗲𝗻𝘁 😍
💰 Highest Salary: ₹41 LPA
📈 Average Salary: ₹7.4 LPA
🎓 2,000+ Students Placed
🏢 500+ Hiring Partners
𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗡𝗼𝘄 👇 :-
https://pdlink.in/3SuUeuD
🔥 Take the first step towards your high-paying tech career in 2026! | 867 |
| 5 | 𝗕𝗘𝗦𝗧 𝗙𝗥𝗘𝗘 𝗣𝗬𝗧𝗛𝗢𝗡 𝗖𝗘𝗥𝗧𝗜𝗙𝗜𝗖𝗔𝗧𝗜𝗢𝗡𝗦 𝗜𝗡 𝟮𝟬𝟮𝟲! 🎓
Discover some of the best FREE Python learning and certification opportunities
✅ Free Python Learning Resources
✅ Beginner-Friendly Courses
✅ Practical Programming Knowledge
✅ Explore Available Certificates & Badges
✅ Strengthen Your Resume & LinkedIn Profile
🔗 𝗟𝗶𝗻𝗸 :- 👇
https://pdlink.in/4iVDpmN
📌 SAVE this post & SHARE with friends preparing for tech careers! 🔥 | 1 051 |
| 6 | 🚀 7 Best Resources to Learn About Self-Evolving AI Agents
1. Hugging Face Agents Course
Learn AI agent fundamentals, tool use, reasoning, and agent frameworks.
🔗 https://huggingface.co/learn/agents-course
2. Stanford CS329A: Self-Improving AI Agents
Explore academic lectures and research on how AI agents can improve themselves.
🔗 https://cs329a.stanford.edu/
3. A Comprehensive Survey of Self-Evolving AI Agents
Understand how AI agents evolve their models, memory, prompts, and tools.
🔗 https://arxiv.org/abs/2508.07407
4. Self-Improvements in Modern Agentic Systems: A Survey
Discover different approaches to self-improvement in modern AI agent systems.
🔗 https://arxiv.org/abs/2607.13104
5. Awesome Self-Improving Modern Agentic Systems
Explore a curated collection of research papers, benchmarks, tools, and projects.
🔗 https://github.com/selfimproving-agent/Awesome-Self-Improving-Agents
6. Awesome RSI (Recursive Self-Improvement)
Explore research on recursive self-improvement, AI research automation, and safety.
🔗 https://github.com/lobehub/awesome-rsi
7. Awesome Harness Engineering for Self-Improvement
Learn how tools, memory, evaluation, and control loops help AI agents improve.
🔗 https://github.com/leezythu/Awesome-Harness-Self-Improvement
📌 Save this list if you're interested in building smarter, self-improving AI agents!
❤️ Follow AIJobs for more AI drops | 1 812 |
| 7 | 𝗔𝗜 𝗙𝗥𝗘𝗘 𝗢𝗻𝗹𝗶𝗻𝗲 𝗠𝗮𝘀𝘁𝗲𝗿𝗰𝗹𝗮𝘀𝘀 | 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘😍
AI is changing the way we learn and work. Ready to take your first step?
- Learn the Skills, Hiring Trends, and Preparation Strategies That Matter
🎓 Students | 💼 Working Professionals | 💡 AI Enthusiasts
𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇 :-
https://pdlink.in/4BAxISK
Date:- 31st October 2026 Time:- 5:00 PM (IST)
💫Share this opportunity with your friends and classmates. | 1 799 |
| 8 | 𝗧𝗢𝗣 𝟱 𝗙𝗥𝗘𝗘 𝗧𝗘𝗖𝗛 𝗖𝗢𝗨𝗥𝗦𝗘𝗦 𝗜 𝗪𝗜𝗦𝗛 𝗜 𝗛𝗔𝗗 𝗧𝗔𝗞𝗘𝗡 𝗦𝗢𝗢𝗡𝗘𝗥! 💻🎓
Discover 5 FREE tech courses to kick-start your learning journey and strengthen your resume. 🚀
✅ Learn Valuable Technical Skills
✅ Beginner-Friendly Learning Resources
✅ Build Practical Knowledge
✅ Strengthen Your Resume & Portfolio
✅ Prepare for Tech Career Opportunities
💡 The best investment you can make in 2026 is upgrading your skills!
🔗 𝗘𝗻𝗿𝗼𝗹𝗹 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇 :-
https://pdlink.in/4Bw1PL9
⚡ Start learning today. Your future self will thank you! | 2 024 |
| 9 | Cybersecurity : Top Global Industry Leaders | 1 843 |
| 10 | 𝗠𝗔𝗦𝗧𝗘𝗥 𝗦𝗤𝗟 𝗙𝗢𝗥 𝗙𝗥𝗘𝗘 𝗜𝗡 𝟮𝟬𝟮𝟲 📊
🔥 Essential Skill for Data Analytics
🔥 Useful for Data Science & Backend Development
🔥 Practice Real-World Database Queries
🔥 Strengthen Your Technical Interview Skills
🎯 Perfect For:- Students | Freshers | Job Seekers | Working Professionals
🔗 𝗘𝘅𝗽𝗹𝗼𝗿𝗲 𝗔𝗟𝗟 𝟱 𝗙𝗥𝗘𝗘 𝗦𝗤𝗟 𝗪𝗲𝗯𝘀𝗶𝘁𝗲𝘀 👇:-
https://pdlink.in/4yOlWlh
📌 SAVE this post & SHARE it with friends preparing for tech careers! | 2 300 |
| 11 | 🚀𝗠𝗔𝗦𝗧𝗘𝗥 𝗘𝗫𝗖𝗘𝗟 𝗙𝗢𝗥 𝗙𝗥𝗘𝗘 𝗜𝗡 𝟮𝟬𝟮𝟲! 📊
Discover 4 FREE Websites to learn Microsoft Excel from beginner to advanced level! 🎓
🔥 FREE Learning Resources
🔥 Beginner to Advanced Tutorials
🔥 Practical Examples & Exercises
🔥 Learn Anytime, Anywhere
🔗 𝗟𝗶𝗻𝗸👇:-
https://pdlink.in/4jDfcCP
⚡ One powerful skill can open doors to multiple career opportunities! | 2 804 |
| 12 | 𝗗𝗮𝘁𝗮 𝗦𝗰𝗶𝗲𝗻𝗰𝗲 & 𝗠𝗮𝗰𝗵𝗶𝗻𝗲 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗙𝗥𝗘𝗘 𝗢𝗻𝗹𝗶𝗻𝗲 𝗠𝗮𝘀𝘁𝗲𝗿𝗰𝗹𝗮𝘀𝘀 📊
Build a strong foundation in Data Science .Explore Machine Learning and Deep Learning
Eligibility :- Students • Freshers • Working Professionals
📅 Date:- 23 October 2026
⏰ Time:- 7:00 PM–9:00 PM IST
💻 Mode:- Online
🔗 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘👇 :-
https://pdlink.in/4i8MKGn
📢 Share this opportunity with your friends and classmates. | 2 970 |
| 13 | 𝗠𝗜𝗖𝗥𝗢𝗦𝗢𝗙𝗧 𝗙𝗥𝗘𝗘 𝗗𝗔𝗧𝗔 𝗦𝗖𝗜𝗘𝗡𝗖𝗘 𝗥𝗘𝗦𝗢𝗨𝗥𝗖𝗘𝗦 𝟮𝟬𝟮𝟲! 🎓
Microsoft offers valuable FREE learning resources to help you develop in-demand technical skills! 💻
✅ 100% FREE Learning Resources
✅ Beginner-Friendly Tutorials
✅ Self-Paced Learning
✅ Practical Skills for Real-World Projects
✅ Useful for Data Analytics & Data Science Career Preparation
🔗 𝗔𝗰𝗰𝗲𝘀𝘀 𝗔𝗟𝗟 𝟰 𝗙𝗥𝗘𝗘 𝗥𝗲𝘀𝗼𝘂𝗿𝗰𝗲𝘀 👇:-
https://pdlink.in/4k6ylNq
⚡ Your Data Science journey can start today — completely FREE! | 2 584 |
| 14 | 𝗠𝗜𝗖𝗥𝗢𝗦𝗢𝗙𝗧 𝗙𝗥𝗘𝗘 𝗗𝗔𝗧𝗔 𝗦𝗖𝗜𝗘𝗡𝗖𝗘 𝗥𝗘𝗦𝗢𝗨𝗥𝗖𝗘𝗦 𝟮𝟬𝟮𝟲! 🎓
Microsoft offers valuable FREE learning resources to help you develop in-demand technical skills! 💻
✅ 100% FREE Learning Resources
✅ Beginner-Friendly Tutorials
✅ Self-Paced Learning
✅ Practical Skills for Real-World Projects
✅ Useful for Data Analytics & Data Science Career Preparation
🔗 𝗔𝗰𝗰𝗲𝘀𝘀 𝗔𝗟𝗟 𝟰 𝗙𝗥𝗘𝗘 𝗥𝗲𝘀𝗼𝘂𝗿𝗰𝗲𝘀 👇:-
https://pdlink.in/4k6ylNq
⚡ Your Data Science journey can start today — completely FREE! | 1 |
| 15 | GitHub is a web-based platform used for version control and collaboration, allowing developers to manage and store their code in repositories. Here’s a brief overview of its key features and how to get started:
▎Key Features of GitHub
1. Version Control: GitHub uses Git, a version control system that tracks changes in your code, allowing you to revert to previous versions if needed.
2. Repositories: A repository (or repo) is where your project lives. It can contain files, folders, images, and the entire history of your project.
3. Branches: Branching allows you to work on different versions of a project simultaneously. The default branch is usually called main or master.
4. Pull Requests: A pull request (PR) is a way to propose changes to a repository. You can discuss and review changes before merging them into the main codebase.
5. Issues: GitHub provides an issue tracker that allows you to manage bugs, feature requests, and other tasks related to your project.
6. Collaboration: You can invite other developers to collaborate on your projects, making it easy to work in teams.
7. GitHub Actions: This feature allows you to automate workflows directly in your GitHub repository, such as continuous integration and deployment (CI/CD).
8. GitHub Pages: You can host static websites directly from your GitHub repositories.
▎Getting Started with GitHub
1. Create an Account: Sign up for a free account at GitHub.com.
2. Install Git: If you haven’t already, install Git on your machine. This allows you to interact with GitHub from the command line.
3. Create a New Repository:
– Click the "+" icon in the top right corner and select "New repository."
– Fill in the repository name, description, and choose whether it will be public or private.
– Initialize with a README if desired.
4. Clone the Repository:
– Use the command git clone <repository-url> to clone it to your local machine.
5. Make Changes Locally:
– Navigate to the cloned directory and make changes to your files.
6. Stage and Commit Changes:
– Use git add . to stage changes.
– Use git commit -m "Your commit message" to commit your changes.
7. Push Changes to GitHub:
– Use git push origin main (or the name of your branch) to push your changes back to GitHub.
8. Create a Pull Request:
– Go to your repository on GitHub.
– Click on "Pull requests" and then "New pull request" to propose merging changes from one branch into another.
9. Collaborate:
– Invite collaborators by going to the "Settings" tab of your repository and adding their GitHub usernames under "Manage access."
▎Useful Commands
• git status: Check the status of your repository.
• git log: View commit history.
• git branch: List branches in your repository.
• git checkout <branch-name>: Switch to a different branch.
• git merge <branch-name>: Merge changes from one branch into another.
▎Resources for Learning GitHub
• GitHub Learning Lab
• Pro Git Book
• GitHub Docs
▎Conclusion
GitHub is an essential tool for modern software development, enabling collaboration and efficient version control. Whether you're working solo or as part of a team, mastering GitHub will significantly enhance your workflow and project management skills. | 2 492 |
| 16 | 𝗧𝗔𝗧𝗔 𝗙𝗥𝗘𝗘 𝗠𝗜𝗖𝗥𝗢-𝗜𝗡𝗧𝗘𝗥𝗡𝗦𝗛𝗜𝗣𝗦 𝟮𝟬𝟮𝟲! 🎓
✅ 100% FREE Learning Experience
✅ Short Programs — Approximately 4–6 Hours
✅ Practical, Real-World Tasks
✅ Self-Paced & Online
✅ Certificate Opportunities for Your Resume & LinkedIn
✅ No Traditional Interview Process
🔗 𝗘𝘅𝗽𝗹𝗼𝗿𝗲 𝗧𝗔𝗧𝗔 𝗙𝗥𝗘𝗘 𝗠𝗶𝗰𝗿𝗼-𝗜𝗻𝘁𝗲𝗿𝗻𝘀𝗵𝗶𝗽𝘀👇:-
https://pdlink.in/4yWgaPn
⚡ Don't wait for your first job to start gaining practical experience! | 2 096 |
| 17 | 𝟰 𝗙𝗥𝗘𝗘 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝗧𝗼 𝗠𝗮𝘀𝘁𝗲𝗿 𝗖𝗼𝗱𝗶𝗻𝗴 𝗙𝗼𝗿 𝗙𝗥𝗘𝗘😍
✅ 100% FREE YouTube Learning
✅ Beginner-Friendly Programming Tutorials
✅ Learn Popular & In-Demand Tech Skills
✅ Study at Your Own Pace
✅ Build a Strong Foundation for Coding Interviews
🔗 𝗔𝗰𝗰𝗲𝘀𝘀 𝗔𝗟𝗟 𝟰 𝗙𝗥𝗘𝗘 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 👇:-
https://pdlink.in/3WcuMvi
⚡ Your coding journey can start today—completely FREE! | 2 303 |
| 18 | 𝗜𝗕𝗠 𝗙𝗥𝗘𝗘 𝗧𝗘𝗖𝗛 𝗖𝗢𝗨𝗥𝗦𝗘𝗦 𝟮𝟬𝟮𝟲! 🎓
Explore IBM Cognitive Class and build in-demand tech skills without spending money on course fees!
📚 𝗧𝗼𝗽 𝗙𝗥𝗘𝗘 𝗖𝗼𝘂𝗿𝘀𝗲𝘀 𝘁𝗼 𝗘𝘅𝗽𝗹𝗼𝗿𝗲:-
💫 Artificial Intelligence & Machine Learning
🔥Python for Data Science
📊 Data Science Fundamentals
☁️ Cloud Computing & Big Data
🔗 𝗦𝘁𝗮𝗿𝘁 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗛𝗲𝗿𝗲 👇
https://pdlink.in/4zGswuX
📲 Save & Share with friends preparing for tech careers! 🔥 | 2 446 |
| 19 | 𝗗𝗮𝘁𝗮 𝘀𝗰𝗶𝗲𝗻𝗰𝗲 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗪𝗶𝘁𝗵 𝗔𝗜😍
Future Ready Data Science and AI Skills You Build
->Build Python, Machine Learning, and AI Skills
->Get Mentored by Industry Experts
->Practice with Mock Interviews
->Ace Your Placements & Land Dream Tech Job
🤝 500+ Partner Companies |🎓 2000+ Students Placed
🔗 𝗥𝗲𝗴𝗶𝘀𝘁𝗲𝗿 𝗡𝗼𝘄 👇 :-
https://pdlink.in/47pezFz
📲 Save & Share with Friends Preparing for Data Science & AI Jobs! | 2 459 |
| 20 | Quick recap of essential SQL basics 😄👇
SQL is a domain-specific language used for managing and querying relational databases. It's crucial for interacting with databases, retrieving, storing, updating, and deleting data. Here are some fundamental SQL concepts:
1. Database
- A database is a structured collection of data. It's organized into tables, and SQL is used to manage these tables.
2. Table
- Tables are the core of a database. They consist of rows and columns, and each row represents a record, while each column represents a data attribute.
3. Query
- A query is a request for data from a database. SQL queries are used to retrieve information from tables. The SELECT statement is commonly used for this purpose.
4. Data Types
- SQL supports various data types (e.g., INTEGER, TEXT, DATE) to specify the kind of data that can be stored in a column.
5. Primary Key
- A primary key is a unique identifier for each row in a table. It ensures that each row is distinct and can be used to establish relationships between tables.
6. Foreign Key
- A foreign key is a column in one table that links to the primary key in another table. It creates relationships between tables in a database.
7. CRUD Operations
- SQL provides four primary operations for data manipulation:
- Create (INSERT) - Add new records to a table.
- Read (SELECT) - Retrieve data from one or more tables.
- Update (UPDATE) - Modify existing data.
- Delete (DELETE) - Remove records from a table.
8. WHERE Clause
- The WHERE clause is used in SELECT, UPDATE, and DELETE statements to filter and conditionally manipulate data.
9. JOIN
- JOIN operations are used to combine data from two or more tables based on a related column. Common types include INNER JOIN, LEFT JOIN, and RIGHT JOIN.
10. Index
- An index is a database structure that improves the speed of data retrieval operations. It's created on one or more columns in a table.
11. Aggregate Functions
- SQL provides functions like SUM, AVG, COUNT, MAX, and MIN for performing calculations on groups of data.
12. Transactions
- Transactions are sequences of one or more SQL statements treated as a single unit. They ensure data consistency by either applying all changes or none.
13. Normalization
- Normalization is the process of organizing data in a database to minimize data redundancy and improve data integrity.
14. Constraints
- Constraints (e.g., NOT NULL, UNIQUE, CHECK) are rules that define what data is allowed in a table, ensuring data quality and consistency.
Here is an amazing resources to learn & practice SQL: https://bit.ly/3FxxKPz
Share with credits: https://t.me/sqlspecialist
Hope it helps :) | 2 502 |
