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06-01-2018, 10:17 AM | #1 |
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Join Date: Mar 2018
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What is the difference among NULL value, zero and blank space?
Ans: A NULL value is not same as zero or a blank space. A NULL value is a value which is 'unavailable, unassigned, unknown or not applicable'. On the other hand, zero is a number and blank space is treated as a character.
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