Discussion
Home ‣ Database ‣ Database Redesign See What Others Are Saying!
- Question
Typically, there should be at least two different copies of the database schema used in the redesign process.
Options- A. True
- B. False
- Correct Answer
- False
- 1. A UML diagram includes which of the following?
Options- A. Class name
- B. List of attributes
- C. List of operations
- D. All of the above. Discuss
- 2. What is the overall responsibility of the DBA?
Options- A. Facilitate the development and use of the database
- B. Create and populate tables
- C. Development, operation, and maintenance of the database and its applications
- D. Both the first and third answers above are correct. Discuss
- 3. The ODBC Level 1 API contains which of the following functions?
Options- A. Browse possible connections and data sources only
- B. Connect to data sources with driver-specific information only
- C. Process a scrollable cursor only
- D. Both 1 and 3 above are in the OBDC Level 1 API. Discuss
- 4. SERIALIZABLE is the strictest isolation level.
Options- A. True
- B. False Discuss
- 5. A key:
Options- A. must always be composed of two or more columns.
- B. can only be one column.
- C. identifies a row.
- D. identifies a column. Discuss
- 6. Structured data may include which of the following?
Options- A. Photo image
- B. Video clip
- C. Dates
- D. None of the above. Discuss
- 7. Which of the following is not a restriction for a table to be a relation?
Options- A. The cells of the table must contain a single value.
- B. All of the entries in any column must be of the same kind.
- C. The columns must be ordered.
- D. No two rows in a table may be identical. Discuss
- 8. Which of the following column properties would be used to specify that cells in a column must be immediately filled with a monetary value of $10,000?
Options- A. Null status
- B. Data type
- C. Default value
- D. Data constraints Discuss
- 9. You can check on the status of tables with the DESCRIBE or DESC command.
Options- A. True
- B. False Discuss
- 10. Which of the following applies to a class rather than an object?
Options- A. Query
- B. Update
- C. Scope
- D. Constructor Discuss
More questions
Correct Answer: All of the above.
Correct Answer: Both the first and third answers above are correct.
Correct Answer: Connect to data sources with driver-specific information only
Correct Answer: True
Correct Answer: identifies a row.
Correct Answer: Dates
Correct Answer: The columns must be ordered.
Correct Answer: Default value
Correct Answer: True
Correct Answer: Scope
Comments
There are no comments.More in Database:
Programming
Copyright ©CuriousTab. All rights reserved.