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Answers and rating deltas for

What is NULL in SQL?

Author Votes Δ
Rahul Tripathi 3 +1.34
Raging Bull 2 +0.11
Nagaraj S 2 +0.43
MusicLovingIndianGirl 2 +0.10
user3046485 2 +0.17
Fabio 1 -1.58
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