BA230Data ScienceIntermediateFall 2026
Turn raw data into decisions — query, aggregate and visualise business metrics.
About this course
SQL is the language of data. In this course you'll answer real business questions with queries.
- SELECT, WHERE, ORDER BY
- GROUP BY and aggregates
- JOINs across tables
- Building KPI dashboards
Syllabus
1Querying data3 lessons▾
- Watch: databases & SQL basics20 min
- SELECT and filtering20 min
- Aggregation with GROUP BY25 min
2Combining tables2 lessons▾
- INNER and LEFT JOINs30 min
- From queries to KPIs25 min