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- Question
Cascading updates refers to child rows being automatically deleted when a parent row is deleted.
Options- A. True
- B. False
- Correct Answer
- False
- 1. When assessing the table structure of an acquired set of tables with data, determining primary keys is (part of) the:
Options- A. first step.
- B. second step.
- C. third step.
- D. fourth step. Discuss
- 2. A relationship should be specified how in the ODL?
Options- A. One direction starting with the first class
- B. One direction starting with the second class
- C. Neither direction.
- D. Both directions. Discuss
- 3. SQL query and modification commands make up a(n) ________ .
Options- A. DDL
- B. DML
- C. HTML
- D. XML Discuss
- 4. The database approach requires additional costs and risks.
Options- A. True
- B. False Discuss
- 5. The only time that case matters is inside quotation marks of strings.
Options- A. True
- B. False Discuss
- 6. Adding null columns to a table is straightforward.
Options- A. True
- B. False Discuss
- 7. The cost to perform a snapshot refresh may depend on whether the snapshot is simple or complex.
Options- A. True
- B. False Discuss
- 8. How many copies of a JSP page can be in memory at a time?
Options- A. One
- B. Two
- C. Three
- D. Unlimited Discuss
- 9. 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
- 10. 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
More questions
Correct Answer: second step.
Correct Answer: Both directions.
Correct Answer: DML
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: True
Correct Answer: One
Correct Answer: All of the above.
Correct Answer: True
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