Multiple Choice
Which of the following is a valid statement?
A) Constraints are rules used to enforce business rules,practices,and policies.
B) Constraints prevent errors by not allowing data to be added to tables if the data violates specific rules.
C) Constraints ensure the accuracy and integrity of data.
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q3: A(n)_ constraint is a special CHECK constraint
Q4: The UNIQUE constraint differs from the PRIMARY
Q5: A(n)_ is a rule imposed on data
Q6: A constraint for a composite primary key
Q7: A PRIMARY KEY constraint will make certain
Q9: A UNIQUE constraint is the same as
Q10: A constraint name can consist of up
Q11: Structure of the ORDERITEMS table<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1929/.jpg"
Q12: A constraint is created at the _
Q13: The _ constraint requires that a specific