Practice Questions Chapter 3: Databases and Data Warehouses

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Practice Questions
Chapter 3: Databases and Data Warehouses
XLM/J: Implementing a Database with Microsoft Access
1. Which type of database stores data in two-dimensional tables?
A)
Network
B)
Hierarchical
C)
Table
*D)
Relational
2. What part of the database stores information about the data?
*A)
Data dictionary
B)
Data depository
C)
Data warehouse
D)
Administrative data systems
3. What database key uniquely identifies a record within a table?
*A)
Primary key
B)
Foreign key
C)
Secondary key
D)
Relational key
4. What database key links one table to another?
A)
Primary key
*B)
Foreign key
C)
Secondary key
D)
Relational key
5. What are the rules called that limit how data is entered into a database?
A)
Data restrictions
B)
Controls
*C)
Constraints
D)
Database checks
6. What do you create when you need to pose a question to the database?
A)
Inquiry
B)
Rule
C)
Question
*D)
Query
7. What type of a database is multidimensional, providing layers to tables?
A)
Multidimensional
B)
Network
C)
Hierarchical
*D)
Data warehouse
8. Which of the following is a subset of a data warehouse?
A)
Relational database
B)
OLAP
C)
Intelligent Agent
*D)
Data mart
9. Which function in an organization plans for information resources?
*A)
Data administration
B)
Database administration
C)
Knowledge Management
D)
Information Management
10. Which function in an organization manages information resources?
A)
Data administration
*B)
Database administration
C)
Knowledge Management
D)
Information Management
11. What is another name for a database that supports OLTP?
A)
Business intelligence
B)
File management
C)
Records management
*D)
Operational database
12. Your student ID is an example of a(n) _____.
A)
Relation
B)
Table
C)
Business rule
*D)
Attribute
13. A database management system contains five important software components. Which of the
following components allows you to add, change, and delete information in a relational
database?
A)
Data definition subsystem
B)
Application generator subsystem
C)
Data administration subsystem
*D)
Data manipulation subsystem
14. What is the purpose of a data warehouse?
A)
Backup and recovery
*B)
To support decision making and OLAP
C)
To support transaction processing and OLTP
D)
To support, backup and recovery, OLAP, and OLTP
15. Which of the following contains a subset of a data warehouse in which only a focused
portion of the data is kept?
*A)
Data mart
B)
Intelligent agent
C)
Business intelligent subsystem
D)
Operational database
16. What is the term used to describe the sharing of information regardless of title or department.
A)
Open source
B)
Data mining
*C)
Information sharing
D)
Data distribution
17. What is the objective of business intelligence (BI)?
A)
To process transactional information efficiently and effectively
B)
To provide decisions makers with a great deal of information
*C)
To provide timely and quality information to decision makers
D)
To process external information or information that is purchased from outside vendors
18. Which data warehouse tools are slice-and-dice techniques that allow you to view
multidimensional information from different perspectives?
A)
Query-and-reporting
B)
Intelligent agents
C)
OLTP
*D)
Multidimensional analysis
19. Which of the following DBMS components allows you to quickly develop computer routines
or tasks that will process your business transactions?
A)
Programming query
B)
Automatic module generator
*C)
Application generation subsystem
D)
Fast programming
20. If you needed to store facts about information that you were collecting, you would store
these facts in the _____.
A)
Relations
B)
Database management system
C)
Business rules
*D)
Data dictionary
21. What data base function allows you to define the data your database is storing?
A)
Definition wizard
B)
Query Function
C)
Design view
*D)
Data dictionary
22. Sometimes the user can see the data differently than the way it is stored in the database.
What is this "look" of the data called?
A)
Data type
B)
Data dictionary
C)
Data form
*D)
User view
23. If you wanted to tell the database management system that a specific attribute contained
numbers only, what would you need to set?
A)
Data category
*B)
Data type
C)
Data dictionary
D)
Data definition
24. What key uniquely identifies a record in a database table?
A)
Main key
*B)
Primary key
C)
Principal key
D)
Major key
25. What key links records from one database table to a record or records in another database
table?
A)
Primary key
B)
Principal key
*C)
Foreign key
D)
Link key
26. What is an attribute called when you can separate it into smaller attributes?
A)
Secondary attribute
B)
Complex attribute
*C)
Composite attribute
D)
Candidate view
27. When you link one database table to another database table, what are you creating?
A)
Primary link
B)
Connectivity
*C)
Relationships
D)
Referential integrity
28. What would you need to establish if you wanted to insure that they key in one database
table was the same as a key in another database table?
A)
Top-level grouping
B)
Connectivity
*C)
Referential integrity
D)
Field properties
29. What database tool would you use to find answers to your questions about data stored in
your database?
*A)
Queries
B)
Tables
C)
Show
D)
Q&A
30. What database tool would you use if you wanted to automate the data-entry process?
A)
Table
B)
Queries
*C)
D)
Forms
Reports
31. Which of the following could you use to create a relation or table in MS Access?
A)
Design view
B)
Wizard
C)
Query view
*D)
Design view or a wizard
32. Where does the information about a field (e.g., size, type, decimals) get stored in MS
Access?
A)
Data dictionary
B)
Field view
C)
Field properties
*D)
Table view
33. When generating a new report, within which screen is the Summary Option button located?
A)
Top-level grouping
B)
Further grouping
C)
Sorting
*D)
Field properties
34. When you're creating relationships, what Access option allows you to protect your database
from inconsistent data?
A)
Create Integrity Constraint
*B)
Enforce Referential Integrity
C)
Cascading Rules
D)
Link Keys
35. There are a specific set of tasks that need to be completed when building a business report.
What is not part of the first three tasks?
A)
Choose tables and/or queries
*B)
Edit relationships
C)
Choose fields
D)
Grouping
36. A data dictionary includes a description of each relation.
*A)
True
B)
False
37. A composite primary key is a primary key containing more than one field or attribute.
*A)
True
B)
False
38. When you establish a relationship between a primary and foreign key, the DBMS can
enforce integrity constraints.
*A)
True
B)
False
39. When generating a report, first start by selecting the Reports tab in MS Access.
*A)
True
B)
False
40. A query allows you to view a subset of the database by entering a value in the criteria.
*A)
True
B)
False
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