Discussion
Home ‣ Database ‣ Introduction to SQL See What Others Are Saying!
- Question
SUM, AVG, MIN, and MAX can only be used with numeric columns.
Options- A. True
- B. False
- Correct Answer
- False
- 1. A shared database should:
Options- A. be accurate and available.
- B. provide for backup and recovery.
- C. be secure.
- D. All of the above. Discuss
- 2. Stylesheets are used by XSLT to indicate how to transform the elements of the XML document into another format.
Options- A. True
- B. False Discuss
- 3. Most operational systems are based on the use of transient data.
Options- A. True
- B. False Discuss
- 4. An extranet is which of the following?
Options- A. The use of Internet protocols with limited access to company data by the company's customers and suppliers.
- B. The use of Internet protocols with unlimited access to company data by the company's customers and suppliers.
- C. The use of Internet protocols with limited access to company data by people within an organization.
- D. The use of Internet protocols with unlimited access to company data by people within an organization. Discuss
- 5. In OLAP, we are interested in ________ .
Options- A. levels only
- B. dimensions only
- C. measures only
- D. measures and dimensions Discuss
- 6. A database management system (DBMS) is a:
Options- A. hardware system used to create, maintain, and provide controlled access to a database.
- B. hardware system used to create, maintain, and provide uncontrolled access to a database.
- C. software system used to create, maintain, and provide controlled access to a database.
- D. software system used to create, maintain, and provide uncontrolled access to a database. Discuss
- 7. Which of the following indicates the minimum number of entities that must be involved in a relationship?
Options- A. Minimum cardinality
- B. Maximum cardinality
- C. ERD
- D. Greater Entity Count (GEC) Discuss
- 8. Features of XML include which of the following?
Options- A. The tags are used to describe the appearance of the content.
- B. Addresses the structuring and manipulation of the data involved.
- C. Governs the display of information in a Web browser.
- D. All of the above. Discuss
- 9. The Enterprise tier of the three-tiered database architecture includes:
Options- A. managing the data.
- B. managing the User-system interface.
- C. processing HTTP protocol.
- D. processing scripting tasks. Discuss
- 10. Transient data is which of the following?
Options- A. Data in which changes to existing records cause the previous version of the records to be eliminated
- B. Data in which changes to existing records do not cause the previous version of the records to be eliminated
- C. Data that are never altered or deleted once they have been added
- D. Data that are never deleted once they have been added Discuss
More questions
Correct Answer: All of the above.
Correct Answer: True
Correct Answer: True
Correct Answer: The use of Internet protocols with limited access to company data by the company's customers and suppliers.
Correct Answer: measures and dimensions
Correct Answer: software system used to create, maintain, and provide controlled access to a database.
Correct Answer: Minimum cardinality
Correct Answer: Addresses the structuring and manipulation of the data involved.
Correct Answer: managing the data.
Correct Answer: Data in which changes to existing records cause the previous version of the records to be eliminated
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