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- Question
It is not easy to build a database correctly the first time.
Options- A. True
- B. False
- Correct Answer
- True
- 1. The NOT EXISTS keyword will be true if any row in the subquery meets the condition.
Options- A. True
- B. False Discuss
- 2. The data model produced from the reverse engineering process does not include intersection table data.
Options- A. True
- B. False Discuss
- 3. (STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.
Options- A. True
- B. False Discuss
- 4. When the child entity is required, we are restricted from creating a new parent row without also creating a corresponding child row at the same time.
Options- A. True
- B. False Discuss
- 5. The terms alternate key and candidate key mean the same thing.
Options- A. True
- B. False Discuss
- 6. Adding null columns to a table is straightforward.
Options- A. True
- B. False Discuss
- 7. Some organizations take the stand that no application should ever employ the true name of a table.
Options- A. True
- B. False Discuss
- 8. Information systems and organizations do not just influence each other; they create each other.
Options- A. True
- B. False Discuss
- 9. Reverse engineering is the process of reading a database schema and producing a data model from that schema.
Options- A. True
- B. False Discuss
- 10. Typically, there should be at least two different copies of the database schema used in the redesign process.
Options- A. True
- B. False Discuss
Database Redesign problems
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