Which two statements are true about nested tables and varrays? (Choose two.)
A.
Only varrays must have consecutive numbers as subscripts.
B.
Only nested tables can be used as column types in database tables.
C.
Both nested tables and varrays must have consecutive numbers as subscripts.
D.
Both nested tables and varrays can be used as column types in database tables.
I thought about C and D but really it is A and D
We can delete one item in the middle of nested table and it will have NOT consecutive subscripts from now
A, D