Data
SQL & Database Fundamentals
Master querying, designing, and managing relational databases used across the industry.
Course Overview
Learn to write efficient SQL queries, design normalized database schemas, and work with real relational databases such as PostgreSQL and SQL Server. The course emphasizes practical, query-writing skills through hands-on labs against real datasets.
What You'll Be Able to Do
- Write complex SELECT queries with joins, subqueries, and aggregations
- Design normalized relational database schemas
- Use indexes and understand basic query performance
- Perform CRUD operations and manage transactions
- Be ready for data analyst, BI, or backend developer roles
Who This Course Is For
Aspiring data analysts, business analysts, QA engineers, and developers who need to work confidently with databases.
Course Curriculum
A structured, module-by-module path from fundamentals to a capstone project.
1
SQL Querying Basics
- SELECT, WHERE, ORDER BY
- Filtering and sorting data
- Aggregate functions and GROUP BY
- Working with NULLs
2
Joins & Relationships
- Inner, left, right, and full joins
- Subqueries and CTEs
- Set operations (UNION, INTERSECT)
- Window functions
3
Database Design
- Entity-relationship modeling
- Normalization (1NF-3NF)
- Keys, constraints, and indexes
- Designing for real applications
4
Applied SQL Project
- Building a schema from a case study
- Writing reporting queries
- Query performance basics
- Transactions and data integrity
Ready to start SQL?
Reach out and we'll help you find the right start date and schedule.