Learning path
Course curriculum
Complete topics in order. Pay more fees to unlock more lessons.
Tables, keys, and relationships.
Primary keys, foreign keys, and constraints.
Model entities and relationships visually.
1NF, 2NF, and 3NF with practical examples.
Read and write data with SQL.
WHERE, ORDER BY, LIMIT, and aliases.
INNER, LEFT, RIGHT, and self joins.
COUNT, SUM, GROUP BY, and HAVING.
Make queries faster and more reliable.
When to add indexes and how they work.
ACID properties and commit/rollback.