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Title: A null value in a column may indicate that there is an appropriate value for that attribute, and ... Post by: lihui on Feb 10, 2019 A null value in a column may indicate that there is an appropriate value for that attribute, and although the value is known, no one has entered the value into the database.
• true • false Title: A null value in a column may indicate that there is an appropriate value for that attribute, and ... Post by: brigettelearn on Feb 10, 2019 Content hidden
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