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- Question
A ternary relationship involves how many entities?
Options- A. 3 or less
- B. 3
- C. More than 3
- D. 3 or more
- Correct Answer
- 3
- 1. A composite attribute is which of the following?
Options- A. An attribute that can be broken into components
- B. An attribute that cannot be broken into components
- C. Multiple attributes
- D. An identifier Discuss
- 2. Which JDBC driver Type(s) is(are) the JDBC-ODBC bridge?
Options- A. Type 1
- B. Type 2
- C. Type 3
- D. Type 4 Discuss
- 3. Which of the following are goals of OLE DB?
Options- A. Create object interfaces for DBMS functionality pieces only.
- B. Increase flexibility only.
- C. Object interface over any type of data only.
- D. All of the above as goals of OLE DB. Discuss
- 4. ________ is a simple object model that is easier to understand and use than OLE DB, and is frequently used for database applications.
Options- A. ASP
- B. XML
- C. ODBC
- D. ADO Discuss
- 5. The ODBC core API consists of which of the following functions?
Options- A. Commit or rollback transactions only
- B. Connect to data sources only
- C. Connect to data sources with driver-specific information only
- D. Both 1 and 2 above are in the OBDC core API. Discuss
- 6. Which of the following is not a database object in MS Access?
Options- A. Reports
- B. Relationships
- C. Tables
- D. Queries Discuss
- 7. Which of the following is true about cloud computing?
Options- A. Cloud computing has brought about a drop in hardware and software sales, while augmenting service revenues
- B. You can access your data from any computer in the world, as long as you have an Internet connection.
- C. Both A & B
- D. It's always going to be less expensive and more secure than local computing. Discuss
- 8. What does microprocessor speed depend on? Discuss
- 9. How many logical drives is it possible to fit onto a physical disk? Discuss
- 10. What are the different hazards? How do you avoid them? Discuss
Database problems
Search Results
Correct Answer: An attribute that can be broken into components
Correct Answer: Type 1
Correct Answer: All of the above as goals of OLE DB.
Correct Answer: ADO
Correct Answer: Both 1 and 2 above are in the OBDC core API.
Correct Answer: Relationships
Correct Answer: Both A & B
Correct Answer: the processing speed depends on DATA BUS WIDTH
Correct Answer: Maximum of 24 logical drives The extended partition can only have 23 logical drives
Correct Answer: There are situations, called hazards, that prevent the next insturction in the instruction stream from executing during its designated clock cycle hazards reduce the performance from the ideal speedup gained by pipelining There are three classes of Hazards: 1 Structural hazards: It arise from resource conficts when the hardware cannot support all possible combinations of instructions simultaniously in overlapped execution 2 Data Hazards: It arise when an instruction depends on the results of previous instruction in a way that is exposed by the overlapping of instructions in the pipeline 3control hazards it arise from the pipelining of branches and other instructions that chage the PC
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