Oracle Certification Interview Question:

Explain Which two statements are true regarding single row functions? (Choose two.)
A. They accept only a single argument
B. They can be nested only to two levels
C. Arguments can only be column values or constant
D. They always return a single result row for every row of a queried table
E. They can return a data type value different from the one that is reference

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D. They always return a single result row for every row of a queried table
E. They can return a data type value different from the one that is reference
Submitted by: Administrator