| 1 |
A person, place, thing or event about which data is kept in the database is called: |
- A. Attribute
- B. Field
- C. Record
- D. Entity
|
| 2 |
Which is related to modality? |
- A. Optional
- B. Mandatory
- C. Unidirectional
- D. Both A & B
|
| 3 |
The views are used : |
- A. To hide columns
- B. To hide rows
- C. To hide complex SQL statements
- D. Al of the above
|
| 4 |
SQL is used for |
- A. data definition
- B. data manipulation
- C. a and b
- D. searching record
|
| 5 |
The foreign key is found in |
- A. parent table
- B. dependent table
- C. pivot table
- D. index table
|
| 6 |
A table is a two-dimensional structure that consists of: |
- A. x and y co-ordinates
- B. Matrix elements
- C. Rows and columns
- D. Intersection of data
|
| 7 |
The operator that needs one operand is called |
- A. unary
- B. binary
- C. ternary
- D. all
|
| 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 |
A table most has |
- A. primary key
- B. secondary key
- C. composite key
- D. sort key
|
| 10 |
The number of characters in fixed-length field is: |
- A. Constant
- B. Variable
- C. 10
- D. 100
|
