| 1 |
The goal of normalization is to: |
- A. Get stable data structure
- B. Increase number of relation
- C. Increase redundancy
- D. Remove constraints
|
| 2 |
Which is a possible value of flag? |
- A. -
- B. +
- C. Space
- D. All of these
|
| 3 |
In 2NF, which form of dependency is removed ? |
- A. associative
- B. transitive
- C. partial
- D. functional
|
| 4 |
We can make two way decisions with the help of |
- A. if
- B. nested
- C. if-else
- D. all
|
| 5 |
The entity integrity rule states that: |
- A. No primary key attribute can be null
- B. Each entity must have a primary key
- C. Primary key must have only one attribute
- D. None
|
| 6 |
Different attributes in two different tables having same name are called: |
- A. Synonym
- B. Homonym
- C. Acronym
- D. Mutually exclusive
|
| 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 scope of a variable refers to its: |
- A. Length
- B. Name
- C. Accessibility
- D. Data type
|
| 9 |
The value of expression in switch statement must be type of |
- A. int
- B. char
- C. float
- D. both a and b
|
| 10 |
In 3NF, a non key attribute must not depend on a |
- A. non key attribute
- B. key attribute
- C. composite key
- D. sort key
|
