Database & System Management Mastery Roadmap

A structured, 24-week journey that guides absolute beginners from core relational concepts to advanced distributed databases, performance tuning, replication, and operational management.

Duration

24 weeks

Level

Beginner to Advanced

Learners

20K+

Career Opportunity

Database Administrator, Data Engineer, Site Reliability Engineer, Backend Developer, Solutions Architect

Prerequisites

Basic programming knowledge (any language)

Familiarity with command-line interface

Fundamental understanding of computer networks

Overall Progress

0 of 30 Completed

Learning Path

1. Introduction & Setup

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Resources:

Why Learn Databases?

Installing MySQL Locally

Using SQL Clients (DBeaver)

2. Relational Fundamentals

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Resources:

Tables, Rows, and Columns

Primary & Foreign Keys

3. SQL Querying Essentials

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Resources:

SELECT, INSERT, UPDATE, DELETE

Filtering & Sorting (WHERE, ORDER BY)

Aggregations (GROUP BY, HAVING)

4. Joins & Subqueries

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Resources:

INNER, LEFT, RIGHT, FULL Joins

Correlated & Nested Subqueries

5. Database Design & Normalization

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Resources:

Normal Forms (1NF-5NF)

ER Modeling Basics

6. Transactions & ACID

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Resources:

ACID Properties Explained

Isolation Levels & Locks

7. Indexing & Query Optimization

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Resources:

B-Tree & Hash Indexes

Execution Plans & Optimizer Hints

8. Backup, Recovery & Maintenance

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Resources:

Logical vs Physical Backups

Automation with Cron & pg_dump

9. Replication & High Availability

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Resources:

Master–Slave & Multi-Master Replication

Failover & Clustering

10. Distributed Systems & CAP Theorem

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Resources:

Understanding CAP Trade-offs

Eventual Consistency Patterns

11. NoSQL Databases Overview

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Resources:

Document, Key-Value, Column & Graph Stores

When to Choose NoSQL over SQL

12. Performance Monitoring & Tuning

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Resources:

Using EXPLAIN & ANALYZE

Index Maintenance & Vacuum

13. Security & Compliance

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Resources:

Authentication & Role-Based Access

Encryption at Rest & in Transit

14. Cloud Databases & DevOps

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Resources:

Managed Services (AWS RDS, Azure SQL, GCP Cloud SQL)

CI/CD for Database Migrations

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Continue your learning journey.