Overview
Work with databases using SQL by creating tables, inserting, updating, and deleting data using MySQL and PostgreSQL., Learn SQL from scratch and write efficient SQL queries using SELECT, WHERE, ORDER BY, and LIMIT for data analysis., Master SQL JOINs, GROUP BY, HAVING, subqueries, and aggregate functions to analyze real-world business datasets., Apply SQL skills to real projects, solve SQL interview questions, and perform data analysis for Data Science roles.
Beginners, students, and professionals who want to learn SQL for data analysis, data science, analytics, or SQL interview preparation.
No prior SQL or database experience required. This SQL course is beginner-friendly and teaches everything from basics to advanced queries.
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.
Jeevitha D S
Hi, I'm Jeevitha D S, a Principal Instructor in Data Science with 5+ years of experience teaching over 10,000 learners through live sessions, hands-on projects, and real-world applications.
My expertise spans Python, Machine Learning, Deep Learning, MLOps, and Generative AI. I've designed full-stack ML curriculums, deployed AI models using Streamlit, MLflow, and Azure, and mentored capstone projects in NLP, Computer Vision, and GenAI.
I’m passionate about breaking down complex topics into easy-to-understand lessons and helping learners build job-ready skills. My goal is to empower you to master data science and AI through practical, industry-aligned content.
Let’s learn and build together!