Wiki Article · Cinematic

Eloquent ORM

Eloquent ORM Laravel framework ka built-in Object-Relational Mapper hai jo PHP objects aur database…

Overview

Eloquent ORM — Quick Facts

📌

Property: Detail

🎯

Topic: Eloquent ORM

⚡

Category: ORM / Database Abstraction

🔑

Framework: Laravel (PHP)

Topic 1

Kya Hai ORM

💡

Objects (programming language) ko…

🔑

Developer ko raw SQL likhne se…

⚡

CRUD operations (Create, Read,…

Topic 2

Eloquent Overview

💡

Har database table ka ek Model…

🔑

Har model instance ek table row hai

⚡

Model class me CRUD methods…

🎯

Relationships models ke beech…

Topic 3

Models — Database Ka Representation

💡

Model User → table users…

🔑

Har model instance ek row hai

⚡

Model properties = table columns

🎯

Model methods = operations (save,…

Topic 4

Conventions

⭐ Eloquent convention over configuration follow karta hai: | Convention | Rule | Example |…

Topic 5

Relationships

🔑 Eloquent me database relationships ko methods se define karte hain: | Relationship |…

Topic 6

Query Builder Integration

💡

Method calls chain karo, readable…

🔑

where(), orderBy(), limit(),…

⚡

Complex queries bhi clean readable…

🎯

Local scopes: Model me method…

Topic 7

Mutators aur Casts

💡

Accessor (get): Database se data…

🔑

Mutator (set): Database me data…

Topic 8

Eloquent Collections

💡

filter() — condition se records…

🔑

map() — har record transform karo

⚡

pluck() — specific column extract…

🎯

groupBy() — records group karo

Topic 9

Eager Loading — N+1 Problem

💡

100 posts fetch karo (1 query)

🔑

Har post ka author fetch karo (100…

⚡

Total: 101 queries (1 + N)

🎯

with('author') method use karo

Topic 10

Soft Deletes

💡

deleted_at column add karo table…

🔑

Model me SoftDeletes trait use karo

⚡

delete() call karo → deleted_at =…

🎯

Normal queries me automatically…

Topic 11

Events aur Observers

💡

Ek class me sab events handle karo…

🔑

UserObserver — User model ke sab…

⚡

Auto-registered via ObservedBy…

Topic 12

Eloquent vs Other ORMs

Topic 13

Best Practices

💡

Mass assignment protection —…

🔑

Eager load relationships — N+1…

⚡

Use scopes — reusable query logic…

🎯

$hidden use karo — sensitive data…

Comparison

Eloquent vs Other ORMs

⚖️

Pattern: Active Record

⚖️

Language: PHP

⚖️

Setup: Zero (Laravel built-in)

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Eloquent ORM ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Eloquent ORM ka 'Topic' kya hai?

Complete! 🎉

Eloquent ORM Complete!

Aliens Wiki · HIEN · Cinematic Knowledge

✅

Eloquent ORM Complete

➡️

Eloquent ORM

Eloquent ORM — Quick Facts

Property: Detail

Topic: Eloquent ORM

Category: ORM / Database Abstraction

Framework: Laravel (PHP)

Kya Hai ORM

Objects (programming language) ko…

Developer ko raw SQL likhne se…

CRUD operations (Create, Read,…

Eloquent Overview

Har database table ka ek Model…

Har model instance ek table row hai

Model class me CRUD methods…

Relationships models ke beech…

Models — Database Ka Representation

Model User → table users…

Har model instance ek row hai

Model properties = table columns

Model methods = operations (save,…

Conventions

Relationships

Query Builder Integration

Method calls chain karo, readable…

where(), orderBy(), limit(),…

Complex queries bhi clean readable…

Local scopes: Model me method…

Mutators aur Casts

Accessor (get): Database se data…

Mutator (set): Database me data…

Eloquent Collections

filter() — condition se records…

map() — har record transform karo

pluck() — specific column extract…

groupBy() — records group karo

Eager Loading — N+1 Problem

100 posts fetch karo (1 query)

Har post ka author fetch karo (100…

Total: 101 queries (1 + N)

with('author') method use karo

Soft Deletes

deleted_at column add karo table…

Model me SoftDeletes trait use karo

delete() call karo → deleted_at =…

Normal queries me automatically…

Events aur Observers

Ek class me sab events handle karo…

UserObserver — User model ke sab…

Auto-registered via ObservedBy…

Eloquent vs Other ORMs

Best Practices

Mass assignment protection —…

Eager load relationships — N+1…

Use scopes — reusable query logic…

$hidden use karo — sensitive data…

Eloquent vs Other ORMs

Pattern: Active Record

Language: PHP

Setup: Zero (Laravel built-in)

Visual Flow

See Also

Laravel

ORM

Active_Record

PHP

Database

SQL

Quiz — Question 1

Quiz — Question 2

Eloquent ORM Complete!

Eloquent ORM Complete

Laravel