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CS403 Online Quiz No 01 Solution & Discussion End Date:28-11-2017
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Please Share your Quiz Questions.
Q. Each table must have a ________ key.
Q. _______ is an example of metadata.
2. Address (not sure)
Q. A collection of concepts that can be used to describe the structure of a database.
3. Data model
Q. Which feature of database provides conversion from inconsistent state of DB to a consistent state ensuring minimum data loss?
User accessible catalog
3. Recovery service
Q. Data about data is metadata
Q.Which one of the following is NOT a characteristic of meta data?
Select correct option:
Data about data
Describes a data dictionary
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
Q. A________is used to maintain a connection between the users of the database system. Select correct option:
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|
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