| 1 |
In 3NF a non-key attribute must not depend on a |
- A. Non-key attribute
- B. Key attribute
- C. Composite key
- D. Sort key
|
| 2 |
_______ is created when the same name is used for two different attributes |
- A. Synonyms
- B. Homonyms
- C. Redundant information
- D. Mutually exclusive data
|
| 3 |
Which programming structure executes program statements in order? |
- A. Relation
- B. Decision
- C. Sequence
- D. Repition
|
| 4 |
____________ is used to specify two different choices with "if" statement. |
- A. Switch
- B. Else
- C. If
- D. If-else
|
| 5 |
Database integrity refers to the |
- A. Correctness of data
- B. Consistency of data
- C. Both a and b
- D. None of these
|
| 6 |
When a relational expression is false, it has the value __________ |
|
| 7 |
Which programming structure makes a comparison? |
- A. Relation
- B. Decision
- C. Sequence
- D. Repitition
|
| 8 |
How many times is the test expression of a switch statement evaluated? |
- A. 0
- B. 1
- C. 2
- D. Once for each case
|
| 9 |
The case block ends with: |
- A. End select
- B. End case
- C. Break;
- D. Case else
|
| 10 |
Which of the following statements is the simplest form of a decision structure? |
- A. Select..case
- B. If statement
- C. Try..Catch..Finally
- D. Nested if
|
