Multiple choice

How do you represent the missing values in a table in ORACLE?

  1. We represent the missing values with SPACES, i.e, ' '

  2. We represent the missing values with ZEROES, i.e. 0

  3. We represent the missing values with SPACES, ZEROES, etc. based on the datatype of the column.

  4. We represent the missing values with NULL.

  5. ORACLE tables should not have any missing values at any point of time.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, correct.

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