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- Question
The DROP TABLE statement:
Options- A. deletes the table structure only.
- B. deletes the table structure along with the table data.
- C. works whether or not referential integrity constraints would be violated.
- D. is not an SQL statement.
- Correct Answer
- deletes the table structure along with the table data.
- 1. The SQL statement to create a view is:
Options- A. CREATE VIEW.
- B. MAKE VIEW.
- C. SELECT VIEW.
- D. INSERT VIEW. Discuss
- 2. What is not an advantage of stored procedures?
Options- A. Greater security
- B. SQL can be optimized
- C. Code sharing
- D. Increased network traffic Discuss
- 3. Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?
Options- A. Weak entity
- B. Strong entity
- C. ID-dependent entity
- D. ID-independent entity Discuss
- 4. In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?
Options- A. One-to-One Relationship
- B. One-to-Many Relationship
- C. Many-to-Many Relationship
- D. Composite Relationship Discuss
- 5. In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
Options- A. parent
- B. child
- C. instance
- D. subtype Discuss
- 6. A ________ is a program that performs some common action on database data and that is stored in the database.
Options- A. trigger
- B. stored procedure
- C. pseudofile
- D. None of the above is correct. Discuss
- 7. Which of the following is NOT a type of SQL constraint?
Options- A. PRIMARY KEY
- B. FOREIGN KEY
- C. ALTERNATE KEY
- D. UNIQUE Discuss
- 8. What is an SQL virtual table that is constructed from other tables?
Options- A. Just another table
- B. A view
- C. A relation
- D. Query results Discuss
- 9. For what purposes are views used?
Options- A. To hide columns only
- B. To hide rows only
- C. To hide complicated SQL statements only
- D. All of the above are uses for SQL views. Discuss
- 10. To update an SQL view, the DBMS must be able to associate the column(s) to be updated with:
Options- A. a particular column in a particular underlying table.
- B. a particular column in a particular row.
- C. a particular row in a particular underlying table.
- D. None of the above is correct. Discuss
SQL for Database Construction problems
Search Results
Correct Answer: CREATE VIEW.
Correct Answer: Increased network traffic
Correct Answer: ID-dependent entity
Correct Answer: One-to-One Relationship
Correct Answer: child
Correct Answer: stored procedure
Correct Answer: ALTERNATE KEY
Correct Answer: A view
Correct Answer: All of the above are uses for SQL views.
Correct Answer: a particular row in a particular underlying table.
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