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CS403 Online Quiz No 01 Solution & Discussion End Date:28-11-2017

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Replies to This Discussion

Please all students related this subject Share your online Quizzes here to help each other.thanks

 

Please share the question and their answers of this quiz if anyone has done.
Thanks. 

Please Share your Quiz Questions.

Q. Each table must have a ________ key.
1.    Primary
Secondary
Logical
Foreign
 
Q. _______ is an example of metadata.
Ali
2.    Address (not sure)
Person
Student
 
Q. A collection of concepts that can be used to describe the structure of a database.
Database
DBMS
3.    Data model
Data
 
Q. Which feature of database provides conversion from inconsistent state of DB to a consistent state ensuring minimum data loss?
User accessible catalog
Data processing
3.    Recovery service
Authorization service
 
Q. Data about data is metadata
1.    True
       False


Q.Which one of the following is NOT a characteristic of meta data?
Select correct option:
Data about data
Describes a data dictionary
Self-describing
4.    Includes user data
 
 
Q. Making a change to the conceptual schema of a database but not affecting the existing external schemas is an example of
Physical data independence
2.    Logical data independence
Functional dependency
Concurrency control
 
Q. A________is used to maintain a connection between the users of the database system. Select correct option:
mail server
file server
3.    client-server
none of the given
 
Q. Which of the following is INCORRECT statement concerning the database design process? Select correct option:
During requirements collection and analysis phase, one can gather the data requirements of database users.


By referring to a high level data model, it is possible to understand the data requirements of the users, entity types, relationships and constraints.


Transformation of the high level data model into the implementation data model is called logical design or data model mapping.


During the logical design phase of internal storage structures, access paths and file organization for the database files are specified.

Dated:Nov 28, 17
Dear Students,
As you know, that due to prevailing law and order situation in the country, Virtual University of Pakistan will remain closed for two days i.e. on 27th and 28th November, 2017. This is the reason due date for first Quiz has been extended. New submission deadline is 30th November. 
 
Best of luck

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