Which two tasks can your perform by using the TO_CHAR function? (Choose two)

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  1. Convert 10 to 'TEN'

  2. Convert '10' to 10

  3. Convert '10' to '10'

  4. Convert 'TEN' to 10

  5. Convert a date to a character expression

  6. Convert a character expression to a date

Show answer
Correct Option: C,E

AI Explanation

To answer this question, let's go through each option to understand which tasks can be performed using the TO_CHAR function:

Option A) Convert 10 to 'TEN' - The TO_CHAR function is used to convert a value to a character expression. It is not used to convert a numeric value to a string representation, so this option is incorrect.

Option B) Convert '10' to 10 - The TO_CHAR function is not used to convert a string representation of a number to a numeric value. This option is incorrect.

Option C) Convert '10' to '10' - The TO_CHAR function is used to convert a value to a character expression. In this case, it can be used to convert the string '10' to the string '10'. This option is correct.

Option D) Convert 'TEN' to 10 - The TO_CHAR function is not used to convert a string representation of a number to a numeric value. This option is incorrect.

Option E) Convert a date to a character expression - The TO_CHAR function can be used to convert a date to a character expression. This option is correct.

Option F) Convert a character expression to a date - The TO_CHAR function is used to convert a value to a character expression, not to convert a character expression to a date. This option is incorrect.

The correct answers are: C) Convert '10' to '10', and E) Convert a date to a character expression.

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