| 1 |
Which is related to modality? |
- A. Optional
- B. Mandatory
- C. Unidirectional
- D. Both A & B
|
| 2 |
SQL is used for |
- A. data definition
- B. data manipulation
- C. a and b
- D. searching record
|
| 3 |
The rows of a relations can be of ___________ order. |
- A. Any
- B. Same
- C. Sorted
- D. Constant
|
| 4 |
In relational database a table is also called a: |
- A. Tuple
- B. Relation
- C. File
- D. Schema
|
| 5 |
A row of a relation is called: |
- A. Attribute
- B. Entity
- C. Tuple
- D. a and c
|
| 6 |
Which of the following cannot be use in variables names? |
- A. numbers
- B. under score
- C. alphabets
- D. space
|
| 7 |
Format specifier is started with: |
- A. '?
- B. &
- C. %
- D. None
|
| 8 |
Which escape sequence can be used to begin a new line in C-language? |
- A. \a
- B. <div>\b</div>
- C. <div>\n</div>
- D. \n
|
| 9 |
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
|
| 10 |
Int type variable use -------------------- bytes in memory |
|