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- Question
Which of the following is true concerning QBE?
Options- A. An official standard has been defined for QBE.
- B. QBE cannot be used for client/server systems.
- C. QBE does not give the programmer a visual programming environment.
- D. Complete applications can be written using QBE.
- Correct Answer
- Complete applications can be written using QBE.
- 1. Which of the following is true concerning the mainframe?
Options- A. It is the same thing as client/server.
- B. Requires someone to decide which code should be on the workstation or the server.
- C. Mission-critical systems have tended to remain there.
- D. All of the above. Discuss
- 2. Three-tier architecture includes which of the following?
Options- A. Three server layers
- B. A client layer and two server layers
- C. Two client layers and one server layer
- D. Three client layers Discuss
- 3. A database server is responsible for which of the following?
Options- A. Database storage
- B. Data processing logic
- C. Data presentation logic
- D. All of the above. Discuss
- 4. Stored procedures have which of the following advantages?
Options- A. It takes a longer time to write them as compared to writing Visual Basic.
- B. Network traffic increases
- C. Data integrity improves as multiple applications access the same stored procedure.
- D. Result in thicker client and thinner database server. Discuss
- 5. An application program interface (API) is which of the following?
Options- A. The same thing as ODBC.
- B. Middleware that does not provide access to a database.
- C. Middleware that provides access to a database.
- D. The same thing as JDBC. Discuss
- 6. Which of the following statements is true about symmetric multiprocessing?
Options- A. A single copy of the operating system resides in each processor.
- B. Useful for situations where data must remain in memory to process.
- C. Bottlenecks increase with uniprocessor systems because tasks are not shared.
- D. The problems of memory contention are unlikely. Discuss
- 7. Which of the following items are not necessary for client/server?
Options- A. Assure that tools will connect with middleware.
- B. Understand the requirements.
- C. Determine network bandwidth capabilities.
- D. Include the use of a file server. Discuss
- 8. A snowflake schema is which of the following types of tables?
Options- A. Fact
- B. Dimension
- C. Helper
- D. All of the above Discuss
- 9. Fact tables are which of the following?
Options- A. Completely denoralized
- B. Partially denoralized
- C. Completely normalized
- D. Partially normalized Discuss
- 10. An operational system is which of the following?
Options- A. A system that is used to run the business in real time and is based on historical data.
- B. A system that is used to run the business in real time and is based on current data.
- C. A system that is used to support decision making and is based on current data.
- D. A system that is used to support decision making and is based on historical data. Discuss
The Client-Server Database problems
Search Results
Correct Answer: Mission-critical systems have tended to remain there.
Correct Answer: A client layer and two server layers
Correct Answer: Database storage
Correct Answer: Data integrity improves as multiple applications access the same stored procedure.
Correct Answer: Middleware that provides access to a database.
Correct Answer: Useful for situations where data must remain in memory to process.
Correct Answer: Include the use of a file server.
Correct Answer: All of the above
Correct Answer: Completely normalized
Correct Answer: A system that is used to run the business in real time and is based on current data.
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