Skill Topic · Cinematic

📘 ASP.NET — Database Operations (CRUD)

EF Core se data Create, Read, Update, Delete karo — full CRUD! 📊

Overview

📘 ASP.NET — Database Operations (CRUD) — Quick Facts

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#: Mistake

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1: SaveChangesAsync() bhool jaana

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2: N+1 query problem (Include na…

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3: Read-only lists me AsNoTracking()…

Topic 1

📌 1. CRUD Operations Overview

📊 🎯 Real-Life Analogy — Library Book System 📚 CRUD = Library ke 4 basic operations: -…

Topic 2

📌 2. Create (Insert)

💾 🎯 Analogy — Library Book Registration 📝 Create = Nayi book library me add karo: - Add() =…

Topic 3

📌 3. Read (Query)

🗄️ 🎯 Analogy — Library Search System 🔎 Read = Library me book dhundhne ke alag alag tareeqe:…

Topic 4

📌 4. Update

📈 🎯 Analogy — Library Book Info Update 📋 Update = Book ki info badlo: - Fetch-then-Update…

Topic 5

📌 5. Delete

🔍 `csharp // ═══ Standard Delete ═══ public async Task DeleteStudentAsync(int id) { var…

Topic 6

📌 6. Raw SQL Queries

📉 🎯 Kab Use Karo? - Complex queries jo LINQ se mushkil hain (CTEs, complex JOINs) - Stored…

Topic 7

📌 7. Transactions

🧮 🎯 Analogy — Bank Transfer 🏦 Transaction = Bank transfer — ek account se paise nikalo,…

Topic 8

📌 8. AsNoTracking (Read-Only Performance)

🌐 🎯 Analogy — Window Shopping vs Actual Shopping 🪟 - AsNoTracking() = Window shopping —…

Topic 9

📌 9. Complete Service Pattern

📊 🎯 Analogy — Library Head Librarian 📖 Service class = Head Librarian — sab operations…

Topic 10

⚠️ Common Mistakes

💾 | # | Mistake | Kya Hota Hai | Sahi Tareeqa | |---|---------|-------------|-------------|…

Topic 11

🏋️ Practice Exercises

🗄️ Exercise 1: Basic CRUD (Beginner) Task: Complete CRUD operations banao - Product model…

Topic 12

✅ Summary

📈 🔑 KEY POINTS: - Create = Add() + SaveChangesAsync() — library me nayi book register karo…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quick Quiz

Quiz — Question 1

📘 ASP.NET — Database Operations (CRUD) ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📘 ASP.NET — Database Operations (CRUD) ka '1' kya hai?

Complete! 🎉

📘 ASP.NET — Database Operations (CRUD) Complete!

Aliens School · HIEN · Cinematic Knowledge

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