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Skill Topic ยท Cinematic

๐Ÿ“˜ ASP.NET โ€” Database Operations (CRUD)

EF Core se data Create, Read, Update, Delete karo โ€” full CRUD! ๐Ÿ“Š

Overview
๐ŸŒŸ

๐Ÿ“˜ ASP.NET โ€” Database Operations (CRUD) โ€” Quick Facts

๐Ÿ“Œ

#: Mistake

๐ŸŽฏ

1: SaveChangesAsync() bhool jaana

โšก

2: N+1 query problem (Include naโ€ฆ

๐Ÿ”‘

3: Read-only lists me AsNoTracking()โ€ฆ

Topic 1
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 1. CRUD Operations Overview

๐Ÿ“Š ๐ŸŽฏ Real-Life Analogy โ€” Library Book System ๐Ÿ“š CRUD = Library ke 4 basic operations: -โ€ฆ
Topic 2
๐Ÿ’พ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 2. Create (Insert)

๐Ÿ’พ ๐ŸŽฏ Analogy โ€” Library Book Registration ๐Ÿ“ Create = Nayi book library me add karo: - Add() =โ€ฆ
Topic 3
๐Ÿ”’

๐Ÿ“Œ 3. Read (Query)

๐Ÿ—„๏ธ ๐ŸŽฏ Analogy โ€” Library Search System ๐Ÿ”Ž Read = Library me book dhundhne ke alag alag tareeqe:โ€ฆ
Topic 4
๐Ÿ“ˆ

๐Ÿ“Œ 4. Update

๐Ÿ“ˆ ๐ŸŽฏ Analogy โ€” Library Book Info Update ๐Ÿ“‹ Update = Book ki info badlo: - Fetch-then-Updateโ€ฆ
Topic 5
๐Ÿ“ฅ ๐Ÿ“ฅ ๐Ÿง  ๐Ÿ”ฌ ๐Ÿ’ก ๐ŸŽฏ

๐Ÿ“Œ 5. Delete

๐Ÿ” `csharp // โ•โ•โ• Standard Delete โ•โ•โ• public async Task DeleteStudentAsync(int id) { varโ€ฆ
Topic 6
๐Ÿ“‰ ๐Ÿ“Š ๐Ÿ”ฌ

๐Ÿ“Œ 6. Raw SQL Queries

๐Ÿ“‰ ๐ŸŽฏ Kab Use Karo? - Complex queries jo LINQ se mushkil hain (CTEs, complex JOINs) - Storedโ€ฆ
Topic 7
๐Ÿ”’

๐Ÿ“Œ 7. Transactions

๐Ÿงฎ ๐ŸŽฏ Analogy โ€” Bank Transfer ๐Ÿฆ Transaction = Bank transfer โ€” ek account se paise nikalo,โ€ฆ
Topic 8
โœจ

๐Ÿ“Œ 8. AsNoTracking (Read-Only Performance)

๐ŸŒ ๐ŸŽฏ Analogy โ€” Window Shopping vs Actual Shopping ๐ŸชŸ - AsNoTracking() = Window shopping โ€”โ€ฆ
Topic 9
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

๐Ÿ“Œ 9. Complete Service Pattern

๐Ÿ“Š ๐ŸŽฏ Analogy โ€” Library Head Librarian ๐Ÿ“– Service class = Head Librarian โ€” sab operationsโ€ฆ
Topic 10
โœจ

โš ๏ธ Common Mistakes

๐Ÿ’พ | # | Mistake | Kya Hota Hai | Sahi Tareeqa | |---|---------|-------------|-------------|โ€ฆ
Topic 11
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

๐Ÿ‹๏ธ Practice Exercises

๐Ÿ—„๏ธ Exercise 1: Basic CRUD (Beginner) Task: Complete CRUD operations banao - Product modelโ€ฆ
Topic 12
๐Ÿ“ˆ

โœ… Summary

๐Ÿ“ˆ ๐Ÿ”‘ KEY POINTS: - Create = Add() + SaveChangesAsync() โ€” library me nayi book register karoโ€ฆ
Diagram
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

Visual Flow

๐Ÿ“Š Diagram visualization โ€” details in narration
Diagram
๐Ÿ“ฅ โš™๏ธ ๐Ÿ”ฌ ๐Ÿ’ก

Visual Flow

๐Ÿ“Š Diagram visualization โ€” details in narration
Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 1

๐Ÿ“˜ ASP.NET โ€” Database Operations (CRUD) ka sabse sahi definition kya hai?

Quick Quiz
๐Ÿง  QUIZ TIME

Quiz โ€” Question 2

๐Ÿ“˜ ASP.NET โ€” Database Operations (CRUD) ka '1' kya hai?

Complete! ๐ŸŽ‰
COMPLETE

๐Ÿ“˜ ASP.NET โ€” Database Operations (CRUD) Complete!

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โœ…

๐Ÿ“˜ ASP.NET โ€” Database Operations (CRUD) Complete

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