When two rows in a database are suppose to refer to the same thing and they do not,you have a data integrity problem.
Correct Answer:
Verified
Q3: A physical representation of a database is
Q5: E-R diagrams are too cumbersome for use
Q5: The Object-Relationship (OR)technique is the most popular
Q6: Once the entities have been defined, the
Q8: Users need to verify the data model
Q14: In E-R diagrams, attributes can be represented
Q15: In a 1:N type of relationship, the
Q16: An entity is something you want to
Q19: Users validate and approve the data model
Q39: The easiest time to change a database
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