For which action can you use the TO_DATE function?

technology databases

  1. Convert any date literal to a date

  2. Convert any numeric literal to a date

  3. Convert any character literal to a date

  4. Convert any date to a character literal

  5. Format ’10-JAN-99’ to ‘January 10 1999’

Show answer
Correct Option: C
Explanation:

To use the TO_DATE function, you need to know the purpose of the function and what it does. The TO_DATE function is used to convert a character string to a date format. The user needs to know that this function is used to convert a character string to a date format.

Now, let's evaluate each option to determine which one uses the TO_DATE function correctly:

A. Convert any date literal to a date - This option is incorrect. The TO_DATE function is used to convert character literals to a date format, not date literals.

B. Convert any numeric literal to a date - This option is incorrect. The TO_DATE function is used for character literals, not numeric literals.

C. Convert any character literal to a date - This option is correct. The TO_DATE function is used to convert character literals to a date format.

D. Convert any date to a character literal - This option is incorrect. The TO_CHAR function is used to convert dates to character literals, not the TO_DATE function.

E. Format ’10-JAN-99’ to ‘January 10 1999’ - This option is incorrect. The TO_CHAR function is used to format dates, not the TO_DATE function.

Therefore, the answer is: C. Convert any character literal to a date

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