A null value is a special field value,similar to a zero,blank,or any other value,that indicates that the value for the field is missing or otherwise unknown.

Name: A null value is a special field value,similar to a zero,blank,or any other value,that indicates that the value for the field is missing or otherwise unknown.
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A null value is a special marker used in SQL to indicate that a data value does not exist in the database, distinct from zero, blank, or any other value.

A Null Value Is a Special Field Value,similar to a Zero,blank,or