Database Design with SQL: Build a Complaints Tracking System — PickAClass
⏱ 2h 48m 📚 28 lessons 🎧 Audio version

Database Design with SQL: Build a Complaints Tracking System

Learn relational database design and write robust SQL queries to build and manage a practical customer complaints tracking system from the ground up.

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About this course

How do organizations systematically capture, organize, and resolve customer issues? A robust database is the backbone of any reliable tracking system, ensuring no customer complaint falls through the cracks. In this course, you will transition from understanding basic data needs to writing structured queries that power a real-world complaints tracking system. Through clear written explanations, you will learn to analyze business requirements, design a clean relational database schema, and implement it using standard SQL. You will build a solid foundation in database structure, learning how to organize data efficiently and retrieve it on demand. What you'll learn: - Analyze business requirements to identify key entities, attributes, and relationships for a tracking system - Design relational database schemas using normalization techniques to prevent data redundancy - Write structured SQL queries to create tables, define primary and foreign keys, and enforce data integrity - Implement data modification commands to insert, update, and resolve tracking tickets - Query complex data using joins, aggregations, and subqueries to generate operational reports - Apply modern database practices, including basic indexing for query optimization and secure data access concepts You will start with core database terminology and concepts before mapping out your schema. Step-by-step written explanations and practical SQL code snippets will guide you through constructing and querying your tracking database. This course is designed for beginners who want a practical introduction to database design and SQL, with no prior programming or database experience required. Start reading today to build your foundational SQL skills through a practical, real-world project.

Course contents

What you'll get

  • 📜 Certificate of completion
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  • 🎧 Audio version included
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  • 📱 Phone or computer
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  • ⚡ Short & focused
    2h 48m 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.

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has successfully demonstrated mastery of
Database Design with SQL: Build a Complaints Tracking System
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Behavioral pattern analysis
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1.2 hrs
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Decision-architecture frameworks
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1.4 hrs
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A/B test design
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Database Design with SQL: Build a Complaints Tracking System
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Performance detail
Coursework summary
Lessons completed 14 / 14
Practice questions 26 / 28
Assignments submitted 4 (avg 4.5 / 5)
Capstone project Reviewed — 4.6 / 5
Total practice 6.2 hrs
Performance benchmark
Cohort rank Top 12% of 1,625
Time to completion 11 days (median: 22)
Mastery score 91 / 100
Practice-question score 94%
Skill verification Verified Skill Path
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pickaclass.com/certificates/PCC-2026-X4F7-AP19
Issued under the academic standards of PickAClass. Skill levels reflect assessed performance against the course's competency rubric. This is an original credential of this platform.

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Just a phone or computer with internet. No installs, no special hardware.

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By card via Stripe. We don’t store card details — Stripe handles them securely.

Can I get a refund? +

Yes — full refund within 14 days, no questions asked.

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Forever. Once you purchase, the course is yours to revisit anytime.

Will I get a certificate? +

Yes. On completion you'll receive a certificate you can add to your LinkedIn profile.

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