Question

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.

Answer 1

for modifying table columns you can increase the number of character in character column
..so options C is correct

Answer 2

Hi friend this is ur answer

Option C