CS403 Quiz 1 MCQs

CS403 Quiz 1 Mcqs · Lecture 1 to 10 · Spring 2022 #Mid-Term · WITH PROVE ANSWER · Important NOTE:-

Maybe toppers are successful in school or college carrier but backbenchers are successful in their life because toppers run according to books while backbenchers don’t follow rules and regulation that is why backbenchers are successful. For life, there are no books and another reason why toppers can’t succeed because they fear failure and don’t try anything new. Backbenchers don’t fear failure as they have faced the failure in their school or college carrier so that is the reason they try new things and at last gain success.

As Abdul Kalam nicely quoted, “The best brains of the nation may be found on the last benches of the classroom"

Translation into Urdu:

1. Which of the following change can cause problem in database levels? Deleting an attribute from the database structure……confirm
2. In data based development process which of the following is related to requirement gathering phase.

Detailed study of system….confirm

Q3. Which of the following is correct about database modeling?

Process of creating the logical structure of the database……confirm

4. A relationship is an association between two entities or between an entity and itself. The diamond symbol for a relationship is _______ if one of the participants is dependent on the other.

Doubled…..confirm

Q5. Which of the following is incorrect related to secondary key?

Selected key must be unique identifier…..confirm

6. In database system the description and definition of data is stored in __________. Schema….confirm
7. A candidate key that does not have a null value and is selected to uniquely identify all other attribute values in any given row is called a ______. Primary key….confirm
8. Which of the following is Not related to the management of data in the database? How data will be transformed…..confirm
9. In entity-relationship diagram the entity type which has existence dependency constant is classified as: