Oracle OCP 19c 认证1Z0-082考试题库(第35题) - about single-row functions

时间：2022-03-09 来源：

Oracle OCP 19c 认证1Z0-082考试题库(第35题)-CUUG内部学员版082题库解析

35、Which three statements are true about single-row functions? (Choose three.)

A. They can be used only in the WHERE clause of a SELECT statement

B. The argument can be a column name, variable, literal or an expression

C. The data type returned can be different from the data type of the argument

D. They can be nested to any level

E. They can accept only one argument

F. They return a single result row per table

整理：CUUG