PostgreSQL
PostgreSQL is a free 4-week beginner course covering Postgres-specific data types like JSON and arrays, advanced query writing, indexes, constraints, and schema design. Learners practice CRUD operations, CTEs, and reading EXPLAIN ANALYZE query plans, and finish understanding when to reach for PostgreSQL's advanced features over other relational databases.
Learn PostgreSQL — advanced SQL, data types, and features that go beyond a basic relational database.
What you'll learn
Course details
Duration
4 weeks
Best for
Anyone who wants to go beyond basic SQL with PostgreSQL's advanced features
This course is free
Course Curriculum
A module-by-module breakdown of what you'll cover in PostgreSQL.
01Basic
4 topicsWeek 1
- What is PostgreSQL, and how is it different from MySQL?
- Postgres data types, including JSON and arrays
- Basic CRUD in Postgres, and psql basics
- Project: Build a books table with JSON metadata
02Intermediate
4 topicsWeek 2
- Filtering, sorting, and aggregating in Postgres
- Joins and common table expressions (CTEs)
- Constraints beyond primary/foreign keys
- Project: Build a constrained, CTE-reported schema
03Advanced
3 topicsWeek 3
- Valid data by default and RETURNING
- Transaction boundaries and foreign keys
- Conditional updates and query plans
04Pro
4 topicsWeek 3
- Reading EXPLAIN ANALYZE and the query planner
- Roles, permissions, and backups in Postgres
- Vacuuming, connection limits, and everyday admin
- Project: Diagnose a slow query and set up least-privilege access
05AI Pro
3 topicsWeek 4
- Using AI tools (ChatGPT, Claude, Perplexity) to write and debug Postgres SQL
- Verifying AI-suggested Postgres changes before running them
- Project: Use AI to design a JSONB schema, then verify performance
Tools & Technologies
Hands-on practice with the same tools used by working professionals.
Part of a bigger program
This skill is one of the real building blocks inside these Career Programs— worth a look if you want the fuller, job-ready path instead of just this one piece.
Communication & Soft Skills
Built into every course, alongside the technical curriculum.
Communication Skills
Practice explaining technical work clearly to teammates, managers, and clients.
Practical AI Skills
Hands-on training in using AI tools well — prompting, everyday workflows, and where AI actually helps versus where it doesn't.
Teamwork & Collaboration
Work in small project teams using real workflows like stand-ups and code reviews.
Problem Solving
Build the habit of breaking down ambiguous problems into clear, solvable steps.
Time Management
Learn to plan, prioritize, and deliver project work against realistic deadlines.
Presentation Skills
Present your project work and results with confidence, as you would to a client.
Resume & Profile Building
Build a strong resume, LinkedIn profile, and project portfolio that recruiters notice.
Interview Preparation
Mock interviews and portfolio reviews to get you ready for real job applications.
Career & Placement Support
100% of students enrolled in PostgreSQL get full access to placement support — real tools and guidance, not just a promise. This is support and access, not a guaranteed job outcome.
Resume Builder
A resume auto-built from your real completed projects and certificates, ready to export.
Shareable Portfolio
A public portfolio page showcasing your approved projects, with a link you can share with employers.
Interview Preparation
Guidance on presenting your projects and experience clearly in real interviews.
Peer & Mentor Community
Ongoing access to our learner community for questions, feedback, and support after you finish.
What Your Certificates Look Like
Real, verifiable certificates with your name, PostgreSQL, and a QR code anyone can scan to confirm they're genuine — one for completing the course, and a separate one if you take the internship track. Earning a certificate is free. To view, download and share it, there's a one-time ₹100 release fee per certificate — the same for free-course, paid-course and internship certificates.
Course Completion Certificate
Data24ZoneCertificate of Completion · Free Course
Illustrative recipient
Your Name Here
Example certificate for completion of
PostgreSQL
- Certificate No.
- D24-SAMPLE
- Mode
- Self-Paced
- Duration
- 4 weeks
- Example issue date
- On completion
Sample only — not a real, issued certificate.
Verification is available only on issued certificates.
Internship Completion Certificate
Data24ZoneCertificate of Internship
Illustrative recipient
Your Name Here
Example certificate for completion of
PostgreSQL
- Certificate No.
- D24-SAMPLE
- Mode
- Internship
- Duration
- 4 weeks
- Example issue date
- On completion
Sample only — not a real, issued certificate.
Verification is available only on issued certificates.
Frequently Asked Questions
What will I learn in the PostgreSQL course?
You'll learn: PostgreSQL-specific data types and features; Writing and optimizing advanced queries; Indexes, constraints, and schema design; When to reach for PostgreSQL over other databases.
What tools and technologies does the PostgreSQL course cover?
This course covers: PostgreSQL, DBeaver, ChatGPT, Claude, Perplexity.
Is the PostgreSQL course beginner-friendly?
Yes — this is a beginner-level course.
How long does the PostgreSQL course take to complete?
The course is designed to be completed in approximately 4 weeks, depending on your pace.
What enrollment options are available for PostgreSQL?
Project Training Track (₹1,499) — One defined learning project and 2 review sessions; no employment or stipend included. Self-Paced (₹1,999) — Learn anytime with the full recorded curriculum and community access.
Is there an internship option for PostgreSQL?
Yes — the Internship track means working through real projects with our team and earning a separate Internship Certificate.
Will I get a certificate after completing PostgreSQL?
Yes. Self-paced enrollment earns a course completion certificate once your final project is reviewed and approved. Internship enrollment earns an internship certificate once your internship projects are approved. Every certificate is publicly verifiable on our website and can be added directly to your LinkedIn profile. Earning it is free; releasing it to view, download and share is a one-time ₹100 fee per certificate.
Is placement support included with PostgreSQL?
Yes — every enrolled student gets full access to our placement support: resume building, a shareable project portfolio, mock interview preparation, and guidance applying what you've built to real job applications. This is support and access, not a guaranteed job outcome — how quickly it leads to an offer depends on the market and your own effort.
