IDEAS•INNOVATION•IMPACT

Developer Guide Journey

Storage Systems

From browser memory to cold cloud archives — a guided path through how modern applications actually store data.

Start the Journey

Foundations

Why No Single Database Works

The Physics of Storage Latency

The Evolution of Storage Eras

SQL & Data Modeling Fundamentals

What Is a Database?

Data Modeling & Normalization

Primary Keys, Foreign Keys & Constraints

The SQL Sub-Languages: DDL, DML, DQL, DCL & TCL

SQL Fundamentals

Mastering SQL Joins

Stored Procedures & Functions

Views & Materialized Views

What Is an Index?

Client-Side Storage

OPFS & WASM-SQLite

Transactions & Consistency Theory

Isolation Levels

Storage Engines

Write-Ahead Logging (WAL)

Write Amplification

Server-Side Databases

Relational Databases & Scaling

Query Optimization & EXPLAIN Plans

Document & Wide-Column Stores

In-Memory Caching (Redis)

Cache Invalidation Patterns

Search & Inverted Indexes

Vector & Time-Series Databases

Distributed Systems Deep Dive

Replication Strategies

Sharding Strategies

Distributed Transactions

Consensus Algorithms

Distributed SQL Systems

Distributed & Cloud Storage

Object Storage Architecture

Block vs File vs Object Storage

Erasure Coding & Replication

Cloud Storage Tiering

Production Engineering Problems

The Dual-Write Bug & CDC

Serverless Connection Saturation

Cloud Egress Traps

Data Gravity & Vendor Lock-In

AI/RAG Vector Search at Scale

Compliance & Data Governance

Backup & Disaster Recovery

Architecture Decision Frameworks

Designing a Financial/Payment System

Designing a Social Media Feed

Designing an E-Commerce Platform

Designing an AI RAG Application

Designing an IoT Telemetry Pipeline

Choosing a Storage System

Back to Dev Guide