Columnar datastore avoids storing null values.
a. True
b. False
Answers
Answered by
0
Answer:
It states that the corresponding value is either unknown or undefined. It is different from zero or "". They should be avoided to avoid the complexity in select & update queries and also because columns which have constraints like primary or foreign key constraints cannot contain a NULL value.
Answered by
3
Answer:
The answer is true and avoids storing null values.
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