The Complete SQL Course: From Zero to Data Analyst

Are you ready to unlock the power of data? This comprehensive course is your all-in-one guide to mastering SQL and launching your career as a Data Analyst. Whether you're a complete beginner or a professional looking to add a crucial skill to your toolkit, this course will take you from zero to hero.
SQL (Structured Query Language) is the universal language of data. It is the most in-demand skill for data related jobs, including Data Analyst, Business Intelligence Analyst, Data Scientist, and Database Administrator. This course is designed to provide you with a solid foundation and advanced practical skills to confidently tackle real world data challenges.
What You’ll Learn:
- What SQL is and how it works in real world databases
- How to write SQL queries from scratch using MySQL and PostgreSQL
- How to filter, sort, and transform data using SELECT, WHERE, GROUP BY, HAVING, and more
- How to join multiple tables and work with relational databases
- How to use aggregate functions, subqueries, and window functions
- How to analyze data and answer real business questions
- How to design reports and prepare data for visualization tools
This Course Include
Module 1: Introduction to SQL and Databases
- What is SQL and Why is it Important?
- Relational Database Management Systems (RDBMS).
- Overview of Popular RDBMS: MySQL, PostgreSQL, SQL Server, and SQLite.
- Installing and Setting up SQL Tools and Environment.
Module 2: SQL Basics
- Understanding Database Structure: Tables, Rows, and Columns.
- Writing Your First SQL Query.
- Basic SQL Commands: SELECT, INSERT, UPDATE, DELETE.
- Data Types in SQL.
Module 3: Querying Data
- Sorting Data with ORDER BY.
- Limiting Results with LIMIT (MySQL) and FETCH FIRST (PostgreSQL).
- Pattern Matching with LIKE and Wildcards.
Module 4: Advanced Query Techniques
- Aggregate Functions: COUNT, SUM, AVG, MIN, MAX.
- Grouping Data with GROUP BY and HAVING.
- Joining Tables: INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL OUTER JOIN.
Module 5: Database Design and Normalization
- Designing a Relational Database Schema.
- Primary Keys, Foreign Keys, and Relationships.
- Normalization and its Forms: 1NF, 2NF, 3NF.
Module 6: Managing Databases and Tables
- Creating, Modifying, and Deleting Databases and Tables.
- Adding Constraints: NOT NULL, UNIQUE, CHECK.
- Indexing for Performance Improvement.
Module 7: Advanced SQL Concepts
- Views: Creating and Managing Virtual Tables.
- Stored Procedures and Functions.
- Triggers and Events in SQL.
Module 8: Working with Multiple RDBMS
- Differences Between MySQL, PostgreSQL, SQL Server, and SQLite.
- Connecting SQL with Python for Automation.
- Using SQL with Data Visualization Tools (e.g., Tableau, Power BI).
By the end of this course, you will not only be proficient in SQL but also understand the mindset of a data analyst. You will have the skills, knowledge, and confidence to land a job or start a career working with data.
Start learning SQL today—and take your first step toward becoming a Data Analyst.
Who this course is for:
- Students or career changers looking to break into the data industry
- Developers who want to add SQL to their toolbox
- Business professionals who need to work with data reports and dashboards
- Beginners with no prior experience in SQL or databases
