Computer science · self-study course
SQL and relational databases
Learn tables, queries, joins and data modelling with original exercises.
4 lessons32 quiz questionsUniversity
Your learning path
- 01
Tables, rows and keys
A relation represented as rows with named columns.
University · Notes · 8 questions - 02
SELECT, filtering and sorting
A query clause that specifies values to return.
University · Notes · 8 questions - 03
Joins and relationships
An operation combining rows according to a relationship condition.
University · Notes · 8 questions - 04
Transactions and safe querying
A group of database operations treated as one logical unit.
University · Notes · 8 questions