Leia o conceito introdutório e pratique nos desafios correspondentes.
SELECT — Retrieving Data
Iniciante~5mLearn how to query data from tables using SELECT statements.
em SQL Fundamentals
WHERE — Filtering Data
Iniciante~7mFilter rows based on conditions to get exactly what you need.
em SQL Fundamentals
ORDER BY — Sorting Results
Iniciante~5mSort your query results in ascending or descending order.
em SQL Fundamentals
GROUP BY — Grouping & Aggregation
Intermediário~10mLearn aggregate functions (COUNT, SUM, AVG) and how to group data.
em SQL Fundamentals
Introduction to JOINs
Intermediário~12mCombine data from multiple tables based on relationships.
em SQL Intermediate