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Fintech Application Data Model

Fintech application data model wo structured blueprint hai jo define karta hai ke financial…

Overview

Fintech Application Data Model — Quick Facts

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Property: Detail

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Full Name: Fintech Application Data Model

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Category: Data Architecture / Database Design

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Domain: Financial Technology

Topic 1

Infobox

📊 | Property | Detail | |---|---| | Full Name | Fintech Application Data Model | | Category…

Topic 2

Core Principles

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Financial records kabhi update ya…

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Galti hone par reversal/adjustment…

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Ye principle audit trail aur…

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Atomicity: Transaction poori ho ya…

Topic 3

Core Entities Overview

🗄️ | Entity | Description | Key Relationships | |---|---|---| | User | Platform ka…

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User aur KYC Data Model

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Personal data (name, phone, email,…

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GDPR/data protection: deletion…

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KYC records version-controlled…

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Account Data Model

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Ek user ke multiple accounts ho…

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Internal accounts bhi hote hain…

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Account hierarchy support karo —…

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Balance field directly update…

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Transaction Data Model

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initiated → processing → completed…

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completed → reversed (refund case…

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Status backward nahi ja sakta…

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Har status change ke saath event…

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Ledger aur Double-Entry Model

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Debit entry — ek account se paise…

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Credit entry — doosre account me…

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SUM(debits) = SUM(credits) —…

Topic 8

Wallet Data Model

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Optimistic locking: version number…

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Pessimistic locking: row lock karo…

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Distributed lock (Redis-based)…

Topic 9

Payment Data Model

📊 Payment entity external payment requests track karti hai: | Field | Type | Description |…

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Event Sourcing Data Model

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Complete audit trail — har state…

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Time travel — kisi bhi…

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Event replay — bugs fix karke…

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Regulatory compliance — immutable…

Topic 11

Data Model Design Patterns Comparison

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Entity Relationship Diagram

📈 `mermaid erDiagram USER ||--o{ ACCOUNT : owns USER ||--o{ KYC_RECORD : has ACCOUNT ||--o{…

Topic 13

Common Pitfalls

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Galti: DECIMAL(10,2) ya FLOAT use…

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Nuksaan: 0.1 + 0.2 =…

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Fix: Integer (paise/cents) ya…

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Galti: Transaction status ya…

Comparison

Data Model Design Patterns Comparison

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Normalized (3NF): OLTP transactions

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Denormalized: Read-heavy dashboards

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Event Sourced: Complete audit trail

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Fintech Application Data Model ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Fintech Application Data Model ka 'Full Name' kya hai?

Complete! 🎉

Fintech Application Data Model Complete!

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