Computer Science for IGCSE & O level - Databases (Section 3 - No. 50)
Which SQL keyword is used to group rows that have the same values in one or more columns into a summary row?
WHERE
ORDER BY
GROUP BY
HAVING
ব্যাখ্যা
GROUP BY is used to group rows with the same values in one or more columns into a summary row like counting the number of the same data type.