| 1 |
A table should have : |
- A. Primary key
- B. Secondary key
- C. Composite key
- D. Sort key
|
| 2 |
Which data type offers the highest precision? |
- A. Float
- B. Long int
- C. Long double
- D. Unsigned long int
|
| 3 |
The foreign key is found in |
- A. parent table
- B. dependent table
- C. pivot table
- D. index table
|
| 4 |
The number of characters in variable field is: |
- A. Constant
- B. Variable
- C. 10
- D. 100
|
| 5 |
Which is a loop statement? |
- A. If
- B. If-else
- C. Switch
- D. None of these
|
| 6 |
The columns of a table correspond to |
- A. table
- B. record
- C. field
- D. cell
|
| 7 |
Which of the following is NOT a characteristic of relation? |
- A. Each row is unique
- B. The order of columns is significant
- C. The order of rows is insignificant
- D. Columns are all elemental or atomic
|
| 8 |
An index can be used to : |
- A. Improve the performance of the database
- B. Document the structure of the database
- C. Reduce data dependency for application programs
- D. All
|
| 9 |
The forein key is found in: |
- A. Parent table
- B. Dependent table
- C. Pivot table
- D. Index table
|
| 10 |
Which is not a logical operator? |
- A. ||
- B. !
- C. !=
- D. &&
|