Free Download SQL Essentials From Basic To Advance
Published 8/2025
Created by Naoman Daulatabad
MP4 | Video: h264, 1280x720 | Audio: AAC, 44.1 KHz, 2 Ch
Level: All | Genre: eLearning | Language: English | Duration: 85 Lectures ( 8h 15m ) | Size: 4.56 GB
Master SQL with PostgreSQL - ideal for data analysts, scientist, engineers, developers & all data-driven professionals
What you'll learn
Write efficient SQL queries using PostgreSQL to retrieve, filter, join, and aggregate data from relational databases.
Apply advanced SQL techniques like window functions, subqueries, and CTEs to solve real-world analytical problems.
Understand and use scenario-based logic to approach business reporting and data-driven decision making.
Build a complete portfolio project using sales data, along with assignments and quizzes to reinforce practical learning.
Requirements
No prior SQL experience is required - this course starts from the basics.
Basic understanding of data (tables, rows, columns) is helpful but not mandatory.
A computer with internet access to install and run PostgreSQL.
Willingness to practice and learn through real-world examples and case studies.
Description
This course is a complete, concept-driven journey through SQL using PostgreSQL - from the absolute basics to advanced topics like window functions, subqueries, CTEs, and performance tuning. What sets this course apart is its scenario-based learning approach: each concept is introduced with real-world context before diving into writing queries. The focus is on clarity and understanding, not just syntax.You'll build strong foundations with core SQL concepts like SELECT, JOIN, GROUP BY, and filters, then progress to advanced techniques like ranking, value functions, aggregates over windows, and sales comparisons using real business datasets. The course includes section-wise quizzes, assignments, and a final portfolio-grade project based on real-world sales data to solidify your skills.Whether you're a data analyst, data scientist, backend developer, business intelligence professional, or a student preparing for a data career, this course will help you master SQL not just syntactically, but conceptually.Each section includes downloadable datasets and all the SQL files used in demonstrations so you can follow along and practice effectively. You'll also gain the confidence to read, debug, and write complex queries used in actual business reporting.By the end, you'll be equipped to solve real-world data problems with clean, optimized SQL - from exploration to insight.
Who this course is for
Aspiring data analysts, data scientists, and BI professionals who want to build strong SQL foundations.
Backend and full-stack developers looking to enhance their database querying and reporting skills.
Students and recent graduates preparing for careers involving data or analytics.
Anyone working with data who wants to learn SQL using real-world, scenario-based examples in PostgreSQL.
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