Which of the following is allowed by ALTER statement?
I. drop an existing constraint from a table
II. change the default value of table
III. drop a table1
Only I
2
Only I and II
3
Only I and III
4
Only II and III
5
I, II and III
Which of the following is allowed by ALTER statement?
I. drop an existing constraint from a table
II. change the default value of table
III. drop a table