14. The attributes that can be arranged into hierarchy are cal'

Select one:

a. Simple attributes

b. Derived attributes

c. Atomic attributes

d. Composite attributes

15. Relational model eases the job of the programmer, compared to earlier data models such as Select one:

a. Both Network and Hierarchical

b. Network model

c. Hierarchical model

d. Semistructured model

16. The set of values which specifies which values are to be assigned to individual entities is considered as

Select one:

a. Derivation of values

b. Composition of values

c. Attribution of values

d. Domain of values

17. The structuring of database by specifying the types and constraints of data is classified as

Select one:

a. Analyzing a database

b. Filtering a database

c. Creating a database

d. Defining a database

18. The relational model is today the primary data model for commercial

Select one:

a. Data program application

b. Data processing applications

c. Data management applications

d. Data storage applications

19. The function which causes the retrieval of any kind of data from database is considered as

Select one:

a. Storing cycle

b. Structure

c. Query

d. Key

20. In relational database schemas, the transition constraints are also known as

Select one:

a. Explicit constraints

b. Implicit constraints

c. Static constraints

d. Dynamic constraints

21. The form of data model in which the concepts provided are useful for end users and are also close to the way it is stored in computer system is called

Select one:

a. Representational data models

b. Clientele data models

c. Implementation data models

d. Both representational and implentation data

models

22. The form of data model which focuses the concepts in the same way as the data stored in computer system is classified as

Select one:

a. Medium level data models

b. Dynamic data models

c. High level data models

d. Low level data models

23. The key that uniquely identifies each record is called

Select one:

a. Field name

b. Key record

c. Unique key

d. Primary key

24. The key that uniquely identifies each record is called

Select one:

a. Field name

b. Key record

c. Unique key

d. Primary key