to find employee records that do not contain an entry in the email field, use the ______ criterion in the…

to find employee records that do not contain an entry in the email field, use the ______ criterion in the email field.\na. is not null\nb. is null\nc. find unmatched\nd. is blank

to find employee records that do not contain an entry in the email field, use the ______ criterion in the email field.\na. is not null\nb. is null\nc. find unmatched\nd. is blank

Answer

Brief Explanations:

In databases, to find records where a field has no value, the "Is Null" criterion is used. "Is Not Null" is for fields with values, "Find Unmatched" is for relationships, and "Is Blank" is not a standard database - specific criterion for this purpose.

Answer:

B. Is Null