Question
We have a table with a CHARACTER data type field. We apply a ">" row comparison between this field and another CHARACTER field in another table. What will be the results for records with field value of NULL ? (Check one that applies the best)

A. TRUE
B. FALSE
C. UNKNOWN
D. Error.
E. Those records will be ignored
Answers
C. NULL in a row when compared will give an UNKNOWN result.   Your Comment




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