The Purpose of the SQL SELECT GROUP BY Clause Is

Multiple Choice

The purpose of the SQL SELECT GROUP BY clause is ____.

A) to present rows of a table with common attribute values together as groups in the query output
B) to present columns of a table with common attribute values together as groups in the query output
C) to group together rows of a table with common attribute values in order to perform calculations using the built-in functions on attributes within each group
D) to group together columns of a table with common attribute values in order to perform calculations using the built-in functions on attributes within each group
E) None of the above.