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- Question
What servlet processor was developed by Apache Foundation and Sun?
Options- A. Apache Tomcat
- B. Apache Web server
- C. Sun servlet processor
- D. None of the above is correct.
- Correct Answer
- Apache Tomcat
- 1. CASE tools do not include which of the following features?
Options- A. Help to draw data models
- B. Help to generate code
- C. Help to manage people
- D. Create an information repository Discuss
- 2. When a foreign key column is created without a corresponding foreign key constraint, we have created a "casual relationship" between the two tables.
Options- A. True
- B. False Discuss
- 3. When an entity instance must be a member of only one subtype, it is which of the following?
Options- A. Disjoint with total specialization
- B. Disjoint with partial specialization
- C. Overlap with total specialization
- D. Overlap with partial specialization Discuss
- 4. A database application can perform which of the following activities?
Options- A. Add records
- B. Read records
- C. Update records
- D. All of the above. Discuss
- 5. Structured Query Language (SQL) is an internationally recognized standard language that is understood by all commercial database management system products.
Options- A. True
- B. False Discuss
- 6. Typically, there should be at least two different copies of the database schema used in the redesign process.
Options- A. True
- B. False Discuss
- 7. A primary key is which of the following?
Options- A. Any attribute
- B. An attribute that uniquely identifies each row
- C. An attribute that uniquely identifies each column
- D. A derived attribute Discuss
- 8. A functional dependency is a relationship between or among attributes.
Options- A. True
- B. False Discuss
- 9. Selecting a data type involves which of the following?
Options- A. Maximize storage space
- B. Represent most values
- C. Improve data integrity
- D. All of the above. Discuss
- 10. Which of the following are integrity controls that a DBMS may support?
Options- A. Assume a default value in a field unless a user enters a value for that field.
- B. Limit the set of permissible values that a field may assume.
- C. Limit the use of null values in some fields.
- D. All of the above. Discuss
More questions
Correct Answer: Help to manage people
Correct Answer: True
Correct Answer: Disjoint with total specialization
Correct Answer: All of the above.
Correct Answer: True
Correct Answer: False
Correct Answer: An attribute that uniquely identifies each row
Correct Answer: True
Correct Answer: Improve data integrity
Correct Answer: All of the above.
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