Basic SQL Course
Build strong SQL foundations in this course. Master tables, data types, filtering, sorting, joins, grouping, aggregations, window functions, and performance essentials. Analyse user sessions, revenue metrics, and more to tackle real data challenges in Kenyan tech workplaces with reliable queries.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course equips you with essential SQL skills to confidently query real-world data. You'll grasp core concepts, data types, key commands, then advance to filtering, sorting, joins, grouping, and HAVING clauses. Hands-on practice covers advanced aggregations, window functions, performance tips, plus clean formatting, validation, and portable SQL for production-ready results.
Elevify advantages
Develop skills
- Core SQL querying: Craft efficient SELECT, WHERE, ORDER BY statements on practical datasets.
- Joins expertise: Merge tables seamlessly for precise business metrics and reports.
- Aggregations with HAVING: Calculate KPIs using COUNT, SUM, AVG alongside targeted filters.
- Window functions mastery: Rank data, track running totals, and extract top-N results swiftly.
- SQL best practices: Format, validate, and deliver adaptable SQL across leading databases.
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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