Author Question: Which of the following queries on table STUDENT will return number 2 as a result? A) SELECT ... (Read 112 times)

ereecah · **on:** Jul 7, 2018

Which of the following queries on table STUDENT will return number 2 as a result?

A) SELECT COUNT() FROM student;
B) SELECT COUNT(name) FROM student;
C) SELECT COUNT(class) FROM student;
D) SELECT COUNT(DISTINCT class) FROM student;

Question 2

A ________ is a chart on which bars represent each task.

A) Gantt chart
B) design diagram
C) PERT diagram
D) database design