C-06-Q121mediumsingle_mcq
To insert a new column titled 'address' between Roll and DOB in an existing table, which is true?
To insert a new column titled 'address' between Roll and DOB in an existing table, which is true?
- aThe table must be dropped and recreated with the new column
- bSQL automatically reorders columns
- cA primary key must be removed first
- dColumns cannot be added at all