| 1 |
A relation is known as |
- A. table
- B. tuple
- C. relationship
- D. attribute
|
| 2 |
The last statement of each case in switch must be a: |
- A. Default statement
- B. If-else statement
- C. Break statement
- D. Else statement
|
| 3 |
Which data type offers the highest precision? |
- A. Float
- B. Long int
- C. Long double
- D. Unsigned long int
|
| 4 |
SQL is used for: |
- A. Data definition
- B. Data manipulaton
- C. Data control
- D. All
|
| 5 |
A row of relation is called |
- A. attribute
- B. entity
- C. tuple
- D. both a & c
|
| 6 |
An attribute is also known as a: |
- A. Table
- B. Row
- C. Relation
- D. Field
|
| 7 |
A person, place, thing or event about which data is kept in the database is called: |
- A. Attribute
- B. Field
- C. Record
- D. Entity
|
| 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 |
Which type of variable can store numbers data ? |
- A. int
- B. float
- C. double
- D. all
|
| 10 |
C language has --------------------- key words |
|