Exam 3: Database Systems,data Warehouses,and Data Marts
Exam 1: Information Systems: an Overview100 Questions
Exam 2: Computers: the Machines Behind Computing100 Questions
Exam 3: Database Systems,data Warehouses,and Data Marts104 Questions
Exam 4: Personal,legal,ethical,and Organizational Issues of Information Systems100 Questions
Exam 5: Protecting Information Resources100 Questions
Exam 6: Data Communication: Delivering Information Anywhere and Anytime100 Questions
Exam 7: The Internet,intranets,and Extranets101 Questions
Exam 8: E-Commerce101 Questions
Exam 9: Global Information Systems102 Questions
Exam 10: Building Successful Information Systems100 Questions
Exam 11: Enterprise Systems98 Questions
Exam 12: Management Support Systems100 Questions
Exam 13: Intelligent Information Systems101 Questions
Exam 14: Emerging Trends,technologies,and Applications100 Questions
Select questions type
Labor and population statistics are sources of internal data that are accessed by a database.
(True/False)
4.8/5
(70)
Disks are sequential access devices,whereas tapes are random access devices.
(True/False)
4.8/5
(79)
The _____ of a data model defines the boundaries of a database,such as maximum and minimum values allowed for a field.
(Multiple Choice)
4.8/5
(80)
A database administrator is responsible for developing recovery procedures in case data is lost or corrupted.
(True/False)
5.0/5
(83)
In a relational model,when a primary key for one table appears in another table,it is called a _____ key.
(Multiple Choice)
4.8/5
(82)
The advantage of _____ is that both sequential and random access can be used,depending on the situation and the user's needs.
(Short Answer)
4.9/5
(81)
Data in a database is used for analytical purposes,whereas data in a data warehouse is used for capturing and managing transactions.
(True/False)
4.8/5
(85)
In a(n) _____ file structure,records can be accessed in any order,regardless of their physical location in storage media.
(Short Answer)
4.7/5
(76)
To begin designing a relational database,one must define the _____ by defining each table and the fields in it.
(Multiple Choice)
4.8/5
(84)
In contrast to the query languages used to interact with a relational database,interaction with an object-oriented database takes places via methods.
(True/False)
4.8/5
(84)
Which of the following statements is true of data marts and data warehouses?
(Multiple Choice)
4.8/5
(83)
In well-designed data-driven Web sites,changes are made to the HTML code every time a Web site's data content changes.
(True/False)
4.9/5
(80)
Which of the following data sources provides the input a data warehouse needs to perform analyses and generate reports?
(Multiple Choice)
4.8/5
(87)
For each database,there can be more than one physical view of data.
(True/False)
4.9/5
(93)
Describe the tasks performed in the first normal form (1NF) stage of normalization.
(Essay)
5.0/5
(80)
In large organizations,database design and management is handled by the _____.
(Short Answer)
4.7/5
(71)
The _____ component of a database management system (DBMS) is used for tasks such as backup and recovery,security,and change management.
(Multiple Choice)
5.0/5
(97)
Showing 61 - 80 of 104
Filters
- Essay(0)
- Multiple Choice(0)
- Short Answer(0)
- True False(0)
- Matching(0)