Managing Databases with Oracle

Q1: Which of the following is not true about modifying table columns?

A You can drop a column at any time.

B You can add a column at any time as long as it is a NULL column.

C You can increase the number of characters in character columns or the number of digits in numeric columns

D You cannot increase or decrease the number of decimal places.

ANS:D - You cannot increase or decrease the number of decimal places.

No answer description is available.



img not found
img

For help Students Orientation
Mcqs Questions

One stop destination for examination, preparation, recruitment, and more. Specially designed online test to solve all your preparation worries. Go wherever you want to and practice whenever you want, using the online test platform.