Show the average cost of a course with no prerequisites (1195)
What will be an ideal response?
```
SELECT AVG(cost) "Average Cost"
FROM course
WHERE prerequisite IS NULL```
Computer Science & Information Technology
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Indicate whether the statement is true or false
Computer Science & Information Technology
Which of the following is NOT true regarding the precision argument?
A) The precision argument is an optional argument. B) The precision argument is a required argument. C) The precision argument allows you to determine how many decimal places you want to round your numbers. D) The syntax would be Round (expression, [precision]).
Computer Science & Information Technology