Which two statements are true about associative arrays and nested tables?
(Choose two.)
A.
Only associative arrays can hold an arbitrary number of elements.
B.
Only nested tables can be used as column types in database tables.
C.
Both associative arrays and nested tables can hold an arbitrary number of elements.
D.
Both associative arrays and nested tables can be used as column types in database tables.
Is this correct? How come in number 5:
5. Which two statements are true about associative arrays and varrays? (Choose two.)
A.
Only varrays must start with the subscript 1. -> correct, this contradicts the answer here in #27
B.
Only varrays can be used as column types in database tables. -> correct
C.
Both associative arrays and varrays must start with the subscript 1.
D.
Both associative arrays and varrays can be used as column types in database tables.
help please
*B.
Only varrays can be used as column types in database tables. -> correct, this contradicts the answer here in #27
Look at the context in the questions. In one case it is Associative Array and Varray and in the other case it is Associative Array and Nested Table.
The actual answer must be evaluated taking into consideration only the mentioned object types (and not all 3 (Varray, Nested Table, Associative Array))
B,C
http://docs.oracle.com/cd/E11882_01/appdev.112/e25519/composites.htm#LNPLS99969
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