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INF503 WEEK-1 LESSON (1,2&3) LAB

  LESSON-1

Q1) which of the following functions of the database management system causes some data to be read and some data to be written into a database.

A) Transaction


Q2)  which of the following applications analyses large amount of data to search for the occurrences of specific patterns of relationships.

A) Data Mining

Q3) Who is responsible for identifying data to be stored in the database and for choosing appropriate structures to represent and store the data.

A) Database Designer

Q4) during which of the following stages for creating a database are further specifications provided for storing and assessing the database.

A) Physical Design

Q5) Which of the following DBMS processes stores data on some storage medium that is controlled by the dbms.

A) Constructing

LESSON-2

Q1) Which of the following schema levels describes the structure of the whole database for a community of users?.

A) Conceptual schema  

Q2) Which of the following data models is meant for computer specialists, not for end users?

A) Physical

Q3) In most relational DBMS, there is no specific language that performs the role of--------.

A) SDL


Q3) Which of the following languages specifies the internal schema?

A) SDL

Q4) Which model is also known as the CODASYL DBTG model?

A) Network Model

LESSON-3

Q1)  What is the last phase of the database design process?

A) Physical design

Q2) What attribute can be divided into smaller subparts, which represent more basic attributes with independent meaning?.

A) Composite

Q3)  Which constraint specifies whether the existence of an entity depends on it being related to another entity via the relationship type?

A) Participation

Q4)  In UML terminology, relationship types are called as_______?

A) Associations



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