Sq
Self-paced course
Learn SQL
Query relational databases with confidence: SELECT, filtering, sorting, aggregation and joins, explained with small, realistic tables.
Teach yourself SQL at your own pace — each lesson ends with exercises and interview questions so you can check your understanding before moving on.
- Lessons
- 2
- Total time
- 38m
- Your progress
- 0%
Lessons
- 01
SELECT, Filtering and Aggregation
Read data with SELECT, filter with WHERE, and summarise with GROUP BY.
Beginner18 min - 02
SQL Joins
Combine tables with INNER, LEFT, RIGHT and FULL joins — and know which to reach for.
Beginner20 min
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