The SQL SELECT built-in function COUNT ____.
A) adds the values of a specified set of attributes
B) adds the values of the numeric attributes in a row of the output of an SQL SELECT command
C) counts the number of columns in the output of an SQL SELECT command
D) counts the number of columns in the table resulting from a Join operation
E) None of the above.

Question

Quizplus · Accepted Answer

The SQL SELECT built-in function COUNT is used to count the number of rows in a result set, not to add values of attributes, count the number of columns, or specifically count columns in a table resulting from a Join operation.

The SQL SELECT Built-In Function COUNT ____