It is not necessary to have both a default value and a not null constraint in defining an SQL column. When a default value is set for a column, it automatically implies that the column cannot be null. However, it is good practice to explicitly define the not null constraint for clarity and to ensure data integrity.
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Asked: 2023-04-03 11:00:00 +0000
Seen: 10 times
Last updated: Mar 21 '22
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