Oracle Database SQL 12c 1z0-071 Exam Practice Test 4

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Question : 45 of 57

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

They can be nested to any level
The data type returned can be different from the data type of the argument
They can accept only one argument
The argument can be a column name, variable, literal or an expression
They can be used only in the WHERE clause of a SELECT statement
They return a single result row per table

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