Free Coupon Code The Ultimate POSTGRE SQL Bootcamp: SQL Beginner to Expert 100% OFF

Udemy coupon code for The Ultimate POSTGRE SQL Bootcamp: SQL Beginner to Expert course taught by Jeevitha D S, which has 2,000 students and is rated 3.5 out of 4 votes. This course is about 8 hour(s) 56 minute(s) in English and was updated on January 17, 2026. You can use this Udemy course with a free certificate and find the coupon at the bottom of this page.

Learn SQL , PostgreSQL with Joins, Subqueries, Window Functions and CTE

SQL is one of the most in demand skills for Data Science, Data Analytics, and Machine Learning roles. If you want to analyze data, build insights, or crack SQL interviews, this course is designed for you.

SQL For Data Science is a hands on, beginner-friendly course that takes you from SQL fundamentals to advanced querying techniques used by real data professionals. You’ll learn how to work with structured data using industry relevant tools like PostgreSQL, and apply SQL concepts to real-world datasets.

In This Course, You Will:

• Learn SQL syntax from scratch using PostgreSQL

• Write powerful queries to analyze real-world datasets

• Use aggregate functions to generate meaningful reports

• Apply filters, conditions, string functions, and logical operators

• Master all types of SQL joins

• Work confidently with large datasets

• Design and understand relational database schemas

• Handle dates and timestamps correctly in PostgreSQL

• Use Window Functions such as RANK, DENSE_RANK, LEAD, LAG, ROW_NUMBER, and NTILE

• Write CTEs (WITH queries) to simplify complex logic

• Create and use Views and virtual tables

• Understand PostgreSQL indexes and performance basics

• Solve product-company–style SQL interview questions

• Apply SQL to real business scenarios like customer analysis, retention, revenue, and growth metrics

Why This Course Is Different

• Designed by someone who understands how SQL is used in real jobs

• Focuses on thinking like a data professional, not just writing queries

• Teaches optimization, clarity, and problem-solving

• Structured for long-term skill growth, not quick memorization

• Ideal for Udemy learners, interview prep, and real-world usage

By the end of this course, you will be able to:

• Query any PostgreSQL database with confidence

• Generate professional reports

• Solve complex SQL interview problems

• Use SQL effectively in analytics, data science, and applications

Who This Course Is For

• Beginners who want to start SQL the right way

• Data analysts and data scientists who want stronger SQL skills

• Software developers building applications using PostgreSQL

• Business professionals who want to make data-driven decisions

• Anyone preparing for SQL interviews at product-based companies

Ready to master PostgreSQL from Beginner to Expert?

Enroll now and start building real, job-ready SQL skills today.