Virtusa Written Test Qs.(PL/SQL) :: Basic Concepts - Discussion
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In which three cases would you use the USING clause? (Choose three.)
AThe tables to be joined have columns of the same name and different data types.
BThe tables to be joined have multiple NULL columns.
CThe tables to be joined have columns with the same name and compatible data types.
DYou want to use a NATURAL join, but you want to restrict the number of columns in the join condition.
EA, C & D