Week 7 Quiz P1Zach Meier, Joe Mikula

Question 1

•Which of the following is independent of the choice of a DBMS?

Answer: AERDs are simply a way to represent the

logical structure of a database. When you are doing Physical DB Design, you should already have a working logical design that has been derived from an ERD.

Question 2

•Conceptual Data Modeling takes place primarily during:

Answer: BConceptual Data Modeling revolves around

the initial data requirements and converting these into a manageable ERD, which is used in the logical database design. This process is in the initial design phase rather than implementation.

Question 3

•Which of the following decisions would be a part of physical database design?

Answer: C“Index selection is the most important

choice of physical database design.” Page 265 paragraph 4

Question 4•Which of the following decisions would be a

part of distributed database design?

Answer: DDistributed database design is concerned

with choices of data location and processes meant to improve performance and local control of data (pg 34). The replication of critical tables across locations is an element of designing where the data will be stored.

Question 5

•For large projects, the most difficult problem in view design and integration is often:

Answer: A“The view design is typically small enough

for a single person to design.” However, the view integration process often involves resolving conflicting views and is a more involved process. (pg 35)