A. There is no hierarchy between unlinked groups
B. The group that is right ranks higher than the group that is to theleft
C. The group that is above or leftmost ranks higher than the group that is to right or below it
D. None of the above
Which of the following is not correct about Cursor ?
________clause is an additional filter that is applied to the result.
___________ defines rules regarding the values allowed in columns and is the standard mechanism for enforcing database integrity.
Which command defines its columns, integrity constraint in create table:
What does a COMMIT statement do to a CURSOR