Selecting a country shows the courses available in your region.
⏱ 2h 30m📚 25 lessons
Relational Database Design and SQL Querying Foundations
Master the essentials of relational database design, write structured SQL queries, and manage transactions and database objects to build reliable data systems.
💬AI instructor Ask about any lesson and get a clear answer instantly, anytime.
🕐Start anytime No schedules or deadlines — learn at your own pace, whenever suits you.
🌐In English Lessons, tasks and certificate — all fully in your language.
About this course
In today's data-driven world, understanding how to store, organize, and retrieve structured information is a fundamental skill for any developer, analyst, or IT professional. This text-based course provides a clear, step-by-step pathway to mastering relational databases and the SQL language. You will transition from a beginner to a confident database designer capable of structuring real-world data, writing optimization-ready queries, and ensuring data integrity through transactions. What you'll learn: Understand the core principles of the relational model and structured data; Design efficient database schemas using normalization and relationship mapping; Write powerful SQL queries to retrieve, filter, and manipulate data; Implement advanced database objects including views, stored procedures, functions, and triggers; Optimize data access using indexes and manage concurrent access safely; Manage transactions to guarantee data consistency and system reliability; Explore modern database features, including handling semi-structured JSON data within relational systems. The course begins with foundational database concepts and data modeling before moving into practical SQL syntax. You will then progress to advanced database programming, transaction control, and performance optimization techniques through clear written explanations and practical code examples. This course is designed for beginners with no prior database experience, as well as developers looking to solidify their relational database fundamentals. Start reading today to build a strong foundation in database design and SQL querying.
What you'll get
📜Certificate of completion Add it to your LinkedIn profile
💬Personal AI tutor Stuck on a lesson? Ask your built-in tutor anything, any time.
♾️Lifetime access Come back anytime, no expiry
📱Phone or computer Works anywhere, any device
💸14-day refund No questions asked
⚡Short & focused 2h 30m of practical content
Certificate of completion
Every course you complete on PickAClass issues a credential like this — original, with its own code, verifiable by URL, and detailed about what was actually demonstrated.
P
PickAClass
Skills profile · verifiable
Document
Certificate of Mastery
This certifies that
Name Surname
has successfully demonstrated mastery of
Relational Database Design and SQL Querying Foundations
Skills demonstrated
✓
Behavioral pattern analysis
Foundational
1.2 hrs
✓
Decision-architecture frameworks
Proficient
1.4 hrs
✓
A/B test design
Proficient
1.7 hrs
✓
Behavioral copywriting
Advanced
1.9 hrs
P
PickAClass — Name Surname
Relational Database Design and SQL Querying Foundations