| 1 |
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
|
| 2 |
Which are basic data distribution strategies? |
- A. Centralized
- B. Partitioned
- C. Replication
- D. All
|
| 3 |
A constraint between two attributes is called: |
- A. Functional relation
- B. Attribute dependency
- C. Functional dependency
- D. Functional relation constaint
|
| 4 |
Which of the following are anomalies that can be caused by redundancy in tables? |
- A. Insertion
- B. Deletion
- C. Modification
- D. All
|
| 5 |
Which of the following anomalies result from a transitive dependency ? |
- A. Insertion
- B. Modification
- C. Deletion
- D. All
|
| 6 |
Which is a possible value of flag? |
- A. -
- B. +
- C. Space
- D. All of these
|
| 7 |
------------------- is created when two different names are used for the same information |
- A. synonyms
- B. homonyms
- C. mutually exclusive data
- D. redundant information
|
| 8 |
The number of bytes used by 'int' data type in C are: |
|
| 9 |
In 2NF, which form of dependency is removed ? |
- A. associative
- B. transitive
- C. partial
- D. functional
|
| 10 |
The scope of a variable refers to its: |
- A. Length
- B. Name
- C. Accessibility
- D. Data type
|
