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Database Concepts Quiz 4

In: Computers and Technology

Submitted By tomato27
Words 1478
Pages 6
• Question 1
2 out of 2 points When developing a database system, the database is constructed during the implementation phase. Selected Answer: True • Question 2
2 out of 2 points The Microsoft Access 2013 form editor is a(n): Selected Answer: banded form editor. • Question 3
2 out of 2 points Which of the following is not a source for user requirements during the requirements analysis stage of developing a database system? Selected Answer: All of these are sources for user requirements. • Question 4
2 out of 2 points Microsoft Access 2013 is only used to prototype databases where Microsoft Access itself will be the final DBMS. Selected Answer: False • Question 5
2 out of 2 points Given only the following excerpt of an E-R model:

Which of the following is known to be true? Selected Answer: A single instance of ENTITY B may be related to many instances of ENTITY A. • Question 6
2 out of 2 points Subtype entities may be either exclusive or inclusive. Selected Answer: True • Question 7
2 out of 2 points Which of the following is not a basic element of the E-R Model? Selected Answer: Use cases • Question 8
2 out of 2 points Maximum cardinality indicates whether or not an instance of one entity class must be related to at least one instance of another entity class. Selected Answer: False • Question 9
2 out of 2 points In crow's foot style E-R diagrams, a hash mark across the relationship line near an entity indicates: Selected Answer: Both a minimum cardinality of one and a maximum cardinality of one • Question 10
0 out of 2 points Given only the following excerpt of an E-R model:

If one instance of ENTITY B must be related to one and only one instance of ENTITY A, and one instance of ENTITY A may be...

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