Question

1. Basic raw facts about something which is not organized _______________
2. Each piece of information about an entity, such as name of a person or address, age or name of a product or the
price is ____________.
3. A well organised collection of data that ensures safety, security and integrity of data is called ___________.
4. DBMS is acronym for___________.
5. Name the four data models that are used for database management are____________.
6. The ability of a system to distinguish between two different objects that have same state is _____________.
7. The ability to wrap up data and associated operations under one unit is____________.
8. A row in a relation is called a _________.
9.A column in a relation is called an _________.
10. Number of attributes in a relation is the ________.
11.Number of tuples in a relation is the___________
12. A set of one or more minimal attributes used to uniquely identify a tuple in the relation
and which can act as Primary Key is _________.
13.A candidate key that is primarily chosen for unique identification of tuples in a Relation is ____________.

14. Candidate keys that not chosen as primary key is ______________.

15.Can A non key attribute whose values are derived from the primary key of some other table , is known as __________in its current table.

Answer 1

Answer:

Explanation:

1. data or information

2. attribute

3. database

4. Database Management system

5. Entity relationship model, relational model, hierarchial model,network model

6. variables

7. Encapsulation

8. tuple

9.attribute

10. number of columns

11. number of rows

12. candidate key

13. primary key

14. non prime attributes

15. foreign key