Oracle 1Z0-051 Question Answer

Which two statements are true regarding single row functions? (Choose two.)

A. They can be nested only to two levels
B. They always return a single result row for every row of a queried table
C. Arguments can only be column values or constant
D. They can return a data type value different from the one that is referenced
E. They accept only a single argument

Answer: BD


Which two statements are true regarding working with dates? (Choose two.)

A. The default internal storage of dates is in the numeric format
B. The RR date format automatically calculates the century from the SYSDATE function but allows the user to enter the century if required
C. The default internal storage of dates is in the character format
D. The RR date format automatically calculates the century from the SYSDATE function and does not allow the user to enter the century

Answer: AB