Cư dân không nhắn tin – không chuyển tiền – không tham gia, share nhóm lạ.
BQT chính thức không bao giờ chủ động inbox, mời like, hay mời vào nhóm.
Nếu có sự cố hoặc nghi ngờ, liên hệ ngay key trong Box Zalo khẩn cấp.
| Component | SQL | NoSQL | | :--- | :--- | :--- | | | Rigid | Flexible | | Scaling | Vertical (Hard) | Horizontal (Easy) | | ACID | Yes | Usually No | | Use Case | Banking, Ledgers | Logs, Catalogs |
: Insights into data modeling, Relational vs. NoSQL, CAP theorem, and various networking protocols like REST and RPC. Key Building Blocks Covered Hacking The System Design Interview Pdf
If you cannot afford the material, use the "open source" alternatives. Look up "System Design Primer PDF" (Alex Xu's free content) or "System Design Interview Handbook." The concepts are the same; only the branding differs. | Component | SQL | NoSQL | |
“If you’re reading this, you’ve already done the work. The interview isn’t a test of your system. It’s a test of your story. Tell them a good one. – S.B.” Look up "System Design Primer PDF" (Alex Xu's