Skills & Outcomes
What Will You Learn?
Understand how relational databases work
Write basic SQL queries to retrieve data
Use SELECT, WHERE, GROUP BY, ORDER BY, JOIN, and more
Perform data filtering, aggregation, and sorting
Create and modify tables, views, and indexes
Apply advanced SQL — subqueries, CTEs, and window functions
Use real-world datasets to practice complex queries
Optimize queries for performance
Understand database relationships and normalization
Prepare for job interviews with real SQL problems
Target Audience
Who Should Take This Course?
Beginners with no prior SQL knowledge
Students & graduates aiming for analytics or tech roles
Aspiring data analysts, business analysts, and backend developers
Professionals working with data who want to upskill
Anyone preparing for data-related job interviews
Business intelligence professionals handling databases
Software & Platforms
Tools You'll Work With
From installation to your first query — we cover everything.
SQL
The universal data language — works across all major database platforms.
MySQL
World's most popular open-source RDBMS. Industry standard for web apps.
PostgreSQL
Advanced open-source database favored by data teams and enterprises.
Google Sheets
Bridge spreadsheet skills with SQL — query exports and build reports.
Course Content
Course Curriculum
15 lessons • 40 videos • 20 hours of content • Quizzes & resources included
- ▶Introduction to SQL, Database SetupFREE PREVIEW8:00
- ▶Basic Data Retrieval & Sorting – Part 17:00
- ▶Basic Data Retrieval & Sorting – Part 28:00
- ▶Basic Data Retrieval & Sorting – Part 312:00
- ▶Basic Data Retrieval & Sorting – Part 419:00
- ▶Data Manipulation & Basic Aggregation – Part 16:00
- ▶Data Manipulation & Basic Aggregation – Part 215:00
- ▶Data Manipulation & Basic Aggregation – Part 313:00
- ▶Data Manipulation & Basic Aggregation – Part 426:00
- ▶JOINs & Set Operations – Part 128:00
- ▶JOINs & Set Operations – Part 231:00
- ▶Advanced Queries & Reusability – Part 120:00
- ▶Advanced Queries & Reusability – Part 26:00
- ▶Advanced Queries & Reusability – Part 320:00
- ▶Optimization and Code Quality37:00
- ▶Data Safety and Integrity29:00
- ▶Database Management and Rules (DML/DDL)39:00
- ▶Data Formatting & Manipulation Functions – Part 141:00
- ▶Data Formatting & Manipulation Functions – Part 212:00
- ▶Data Formatting & Manipulation Functions – Part 311:00
- ▶Data Formatting & Manipulation Functions – Part 410:00
- ▶Conditional Aggregation – Part 115:00
- ▶Conditional Aggregation – Part 227:00
- ▶Introduction to Window Functions – Part 117:00
- ▶Introduction to Window Functions – Part 222:00
- ▶Positional Window Functions39:00
- ▶Ranking Window Functions38:00
- ▶Analytical Window Functions29:00
- ▶Window Framing13:00
Recognition
Certificate You'll Earn
- Industry-recognized certificate awarded on completing the course and all quizzes.
- Unique verifiable ID that employers and recruiters can validate online.
- LinkedIn-shareable — add it directly to your Licenses & Certifications in one click.
- Backed by SkillLearn's hiring partner network for placement support.
Verifiable Certificate
Common Questions
Frequently Asked Questions
Not at all. The course starts from zero — we explain what a database is before writing a single SQL statement. If you can use Excel, you're ready.
Both. The course covers MySQL and PostgreSQL. Core SQL syntax is 95% identical across both platforms, and we highlight differences when they arise.
Lifetime access. Once enrolled you can revisit any lesson at any time, including future content updates added to the curriculum.
Yes. After earning your certificate you get access to SkillLearn's hiring partner network, resume review, and mock interview sessions with mentors.
Yes. All lessons are pre-recorded. You can pause, rewatch, and complete the course on your own schedule. Live Q&A sessions are optional extras.
Each lesson includes a quiz to reinforce concepts and test your understanding. Completing quizzes is required to earn your certificate of completion.