Data Quality Fundamentals Course
This course provides foundational skills in maintaining high-quality retail data, enabling accurate business intelligence and decision-making through practical SQL techniques and workflows.

flexible workload from 4 to 360h
valid certificate in your country
What will I learn?
The Data Quality Basics Course teaches you how to ensure reliable retail data across online shops, POS systems, and marketing platforms. You will learn to identify and correct common errors in sales, customer, and product tables, create effective SQL-based checks, set up monitoring and alerts, and establish simple workflows, documentation, and tools that keep reports accurate, on time, and prepared for confident decision-making.
Elevify advantages
Develop skills
- Diagnose retail BI data problems: identify root causes quickly using actual SQL checks.
- Design simple data quality rules: for nulls, ranges, duplicates, and referential gaps.
- Build automated data quality monitoring: with alerts, runbooks, and audit trails.
- Apply a practical BI QA workflow: reconcile sources and approve dashboards.
- Use templates and tools: ready-made SQL patterns and DQ scorecards for retail.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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