TalentJR

Databases - Data Management Master · 12th Standard

SQL for Beginners – Class 12 (12th Std)

SQL for beginners in Class 12 (12th Std), ages 17–18. “Databases - Data Management Master” is a free course of 18 short lessons that start with SQL basics and move on to joins, queries and database design, with examples for each step. Every lesson has Easy, Medium and Hard practice challenges. Read the lessons without signing in.

Master MySQL, PostgreSQL, and MongoDB. Earn your Database Expert Badge and Full-Stack Ready Certificate!

Lessons

18

Challenges

54

TalentJR Points

+10 a day for 2+ min of lessons

Rewards

🏆 Badges & certificates

📚 What You'll Learn

Learning Outcomes

  • ✓ 18 comprehensive lessons
  • ✓ 54 challenges across difficulty levels
  • ✓ Practical projects and real-world applications
  • ✓ Earn TalentJR Points, badges and a monthly certificate (how)

How It Works

  • 1️⃣ Start with lesson fundamentals
  • 2️⃣ Try the easy challenges
  • 3️⃣ Move on to the medium ones
  • 4️⃣ Master the hard challenges

📖 18 Comprehensive Lessons

Each lesson has 3 practice challenges: Easy, Medium and Hard

1

SQL Basics

Relational database fundamentals

Easy
Medium
Hard
Start Lesson→
2

Advanced Queries

Complex SQL operations

Easy
Medium
Hard
Start Lesson→
3

PostgreSQL Pro

Advanced PostgreSQL features

Easy
Medium
Hard
Start Lesson→
4

MongoDB NoSQL

Document-based databases

Easy
Medium
Hard
Start Lesson→
5

Data Design

Database architecture and design

Easy
Medium
Hard
Start Lesson→
6

Full-Stack Projects

Build complete applications with databases

Easy
Medium
Hard
Start Lesson→
7

Joins Deep Dive

Combine data across multiple tables

Easy
Medium
Hard
Start Lesson→
8

Aggregate Functions & GROUP BY

Summarize data like a pro

Easy
Medium
Hard
Start Lesson→
9

Subqueries

Nest queries inside queries

Easy
Medium
Hard
Start Lesson→
10

Views

Save reusable virtual tables

Easy
Medium
Hard
Start Lesson→
11

Indexes & Performance

Make queries run faster

Easy
Medium
Hard
Start Lesson→
12

Transactions

Keep data safe and consistent

Easy
Medium
Hard
Start Lesson→
13

Stored Procedures

Package logic inside the database

Easy
Medium
Hard
Start Lesson→
14

Triggers

React automatically to data changes

Easy
Medium
Hard
Start Lesson→
15

Database Normalization

Design clean, efficient schemas

Easy
Medium
Hard
Start Lesson→
16

Window Functions

Advanced analytics over rows

Easy
Medium
Hard
Start Lesson→
17

SQL vs NoSQL Design

Choose the right database for the job

Easy
Medium
Hard
Start Lesson→
18

Capstone: School Database System

Design and query a full database

Easy
Medium
Hard
Start Lesson→

👩‍🏫 Databases - Data Management Master coding classes near you — online or at home

Prefer a real teacher? TalentJR teachers take live online classes anywhere in India and visit homes in selected cities. Tell us what you need and our team will call you with timings and fees.

  • Live online classesSmall groups or 1:1 with a teacher, from home, any city.
  • Teacher at homeA TalentJR teacher visits your home (selected cities).
  • At a centreClasses at a TalentJR partner centre near you, where available.

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