When a field in a database contains a null value, it means that ____.
A) the field holds zeros
B) the field holds spaces
C) no data has been entered in the field
D) the field holds asterisks
Correct Answer:
Verified
Q3: In database management systems, a particular way
Q4: Database software recognizes the distinction between text
Q5: Database software provides the means to ensure
Q6: Connecting two tables based on the values
Q7: A symbol that means "any" or "all"
Q9: In a database, the files often are
Q10: In some database software packages, such as
Q11: Structured Query Language is a commonly used
Q12: A common reason you create a one-to-one
Q13: If an employee record contains both a
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