Which of the following SQL functions can operate on any datatype?

  1. TO_CHAR

  2. TO_DATE

  3. MAX

  4. LPAD


Correct Option: C

AI Explanation

To answer this question, let's go through each option to understand why it is correct or incorrect:

Option A) TO_CHAR - This function is used to convert a numeric or date expression to a character string. It cannot operate on any datatype, as it is specifically designed to convert numeric or date expressions.

Option B) TO_DATE - This function is used to convert a character string to a date value. It cannot operate on any datatype, as it is specifically designed to convert character strings to dates.

Option C) MAX - This function is used to return the maximum value from a set of values. It can operate on any datatype, including numeric, character, and date types. This makes it the correct answer to the question.

Option D) LPAD - This function is used to left pad a string with a specified character. It can operate on character strings only, and not on any other datatype.

The correct answer is Option C) MAX. This option is correct because the MAX function can operate on any datatype, whereas the other options are specific to certain datatypes.

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