Which two are true about collections and RECORD types? (Choose two.)
- A.A variable of RECORD type can contain fields of another RECORD type or any collection type.
- B.Only associative arrays and nested tables can have elements of RECORD type.
- C.All collections and RECORD types can be defined in PL/SQL blocks, packages, or at the schema level.
- D.Collections and RECORD types are always dense.
- E.All collections and RECORD types can be stored in table columns.
- F.VARRAYS, nested tables and each field in %ROWTYPE type variables have a default value of null.