Multiple ChoiceIntermediate 30s
LEFT JOIN
Choose the best answer for: LEFT JOIN behavior
Options
- 1LEFT JOIN returns all rows from left table plus matching right rows
- 2LEFT JOIN is the same as INNER and drops the unmatched rows
- 3LEFT JOIN deletes the left rows that have no matching pair
- 4LEFT JOIN only returns the rows matching on both tables here
Think you can answer under pressure?
Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.