| 1 |
Which of the following are anomalies that can be caused by redundancy in tables? |
- A. Insertion
- B. Deletion
- C. Modification
- D. All
|
| 2 |
The type of expression x > y is |
- A. arithmetic
- B. logical
- C. relational
- D. conditional
|
| 3 |
In 3NT which form of dependency is removed ? |
- A. functional
- B. non-functional
- C. associative
- D. transitive
|
| 4 |
The program structure that executes program statements in order is |
- A. selection
- B. sequence
- C. repetition
- D. iteration
|
| 5 |
A relation is in third normal form if it is in second normal form and: |
- A. Dependent on part of the key
- B. Dependent on the whole key
- C. Independent of the key
- D. Has no transitive dependencies
|
| 6 |
The operator that is used in decision making is |
- A. increment operator
- B. decrement operator
- C. condition operator
- D. none
|
| 7 |
Two or more attributes with different name but same meaning create a problem: |
- A. Homonyms
- B. Synonyms
- C. Aliases
- D. Alternate attributes
|
| 8 |
The 1NF describes the tabular format in which: |
- A. All the key attributes are defined
- B. No repeating groups in the table
- C. All attributes are dependent on primary key
- D. All
|
| 9 |
------------------- is created when two different names are used for the same information |
- A. synonyms
- B. homonyms
- C. mutually exclusive data
- D. redundant information
|
| 10 |
Which is a possible value of flag? |
- A. -
- B. +
- C. Space
- D. All of these
|
