What is an instance?
A) It is a key that uniquely identifies a person,place,or thing.
B) It is a group of related information about an entity.
C) It is a record or row in a relation.
D) It is an occurrence of an entity class that can be identified by a primary key.
Correct Answer:
Verified
Q3: Which of the following would be a
Q4: Why would you define business rules for
Q5: Which symbol would you use in an
Q6: Which symbol should you use in an
Q7: Which of the following denotes a relationship
Q9: Relational databases are similar to spreadsheets in
Q10: What is a primary key?
A)The password used
Q11: Which of the following is a graphic
Q12: Which of the following defines a database?
A)A
Q13: Which of the following is true about
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