Wiki Article · Cinematic

Booking System Data Model

Booking system data model woh database schema design hai jo define karta hai ke booking/reservation…

Overview

Booking System Data Model — Quick Facts

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Property: Detail

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Full Name: Booking System Data Model…

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Category: Database Design, Software…

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Type: Relational database schema for…

Topic 1

Infobox

📊 | Property | Detail | |---|---| | Full Name | Booking System Data Model (Reservation…

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What is a Booking System Data Model

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Kaunse entities hain…

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Har entity ke kaunse fields hain…

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Entities ke beech kya…

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Kaunse constraints hain (unique,…

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Why Data Model Design Matters

🗄️ | Bad Data Model | Good Data Model | |---|---| | Double bookings possible — no unique…

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Core Entities

📈 | # | Entity | Purpose | Key Fields | |---|---|---|---| | 1 | customers | People who make…

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Entity Relationship Diagram

🔍 `mermaid erDiagram CUSTOMERS ||--o{ BOOKINGS : "creates" SERVICES ||--o{ TIME_SLOTS :…

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Table Designs

📉 customers | Column | Type | Constraints | Purpose | |---|---|---|---| | id | UUID | PK,…

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Constraints and Integrity

🧮 | Constraint Type | Where | Purpose | |---|---|---| | Primary Key (PK) | Every table — id…

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Indexes and Performance

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Index columns used in WHERE…

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Composite indexes — column order…

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Partial indexes — WHERE status =…

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Don't over-index — every index…

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Audit Trail Pattern

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Debugging: "Yeh booking cancel…

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Compliance: GDPR/SOC2 require data…

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Disputes: Customer says "maine…

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Analytics: State transition…

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Soft Delete Pattern

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deleted_at column — NULL = active,…

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Application queries — default…

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View/function — create default…

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Unique constraints — adjust for…

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Timezone and DateTime Handling

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"Booking at 3 PM IST, but shown as…

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"Daylight saving change =…

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"Midnight boundary — booking on…

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Multi-Tenant Schema

📈 Approaches | Approach | How | Data Isolation | Cost | Complexity | |---|---|---|---|---|…

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Normalization Decisions

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Service price can change over time

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Booking should store total_amount…

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Agar service price update hota…

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bookings.total_amount = snapshot;…

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Common Mistakes

📉 | # | Mistake | Problem | Better Approach | |---|---|---|---| | 1 | "No unique constraint…

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Best Practices

🧮 | # | Practice | Benefit | |---|---|---| | 1 | UUID for primary keys | Globally unique,…

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Interview Perspective

🌐 Q: Booking system ka data model kaise design karenge? A: Core entities: customers,…

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Glossary

📊 | Term | Definition | |---|---| | Data Model | Structure defining how data is organized,…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Booking System Data Model ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Booking System Data Model ka 'Full Name' kya hai?

Complete! 🎉

Booking System Data Model Complete!

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