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SCHEDULE I / ITEM 5 March 2005 DATA BASE MANAGEMENT SYSTEMS (INFORMATICS) Note: This examination consists of 7 questions on 1 page. Marks

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ASSOCIATION OF CANADA LANDS SURVEYORS - BOARD OF EXAMINERS WESTERN CANADIAN BOARD OF EXAMINERS FOR LAND SURVEYORS ATLANTIC PROVINCES BOARD OF EXAMINERS FOR LAND SURVEYORS ________________________________________________________________________

SCHEDULE I / ITEM 5 March 2005 DATA BASE MANAGEMENT SYSTEMS (INFORMATICS)

Note: This examination consists of 7 questions on 1 page. Marks

Q. No Time: 3 hours Value Earned

1

a) Define "Data Base Management System"

b) Give three major reasons to use a DBMS

c) Give two examples of applications for projects (a) in geodesy and (b) in GIS.

13

2

In a relational or object-relational database management system:

a) What are Primary Keys?

b) What are Foreign Keys?

c) What are Primary and Foreign keys used for?

12

3

In a relational or object-relational database management system, or in a GIS:

a) what is indexing?

b) What is spatial indexing?

c) Why do we use spatial indexing?

18

4

How does the relational model handle the following relationships between tables:

a) one-to-one?

b) one-to-many?

c) many-to-many?

d) recursive one-to-many?

e) one-to-many with attribute to the relationship?

f) many-to-many with attribute to the relationship?

20

5

a) What are integrity constraints?

b) Give one example each of five different integrity constraints c) What are spatial integrity constraints?

d) Give 3 examples of spatial integrity constraints.

24

6 a) What is a system lifecycle?

b) What are the steps required to develop a spatial database? 8

7 a) What is UML?

b) How can it help to develop spatial databases? 5

Total Marks: 100

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