________ is a special field value,distinct from 0,blank,or any other value,that indicates that the value for the field is missing or otherwise unknown.
Correct Answer:
Verified
Q108: A _ is a coding scheme recognized
Q109: _ is a single attribute name that
Q110: _ is an integrity constraint specifying that
Q111: A _ is a relation that contains
Q112: _ is the process of splitting or
Q114: _ is the process of converting complex
Q115: A _ is the smallest unit of
Q116: A _ is a named set of
Q117: _ refers to two different names that
Q118: A _ is a field that can
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