Classical

Data Warehousing MCQ - DataWarehousing MCQ

1:  

Data dictionary is

A.

Large collection of data mostly stored in a computer system

B.

The removal of noise errors and incorrect input from a database

C.

The systematic description of the syntactic structure of a specific database. It describes the structure of the attributes the tables and foreign key relations hips.

D.

None of these

 
 

Option: C

Explanation :


2:  

Data warehouse is

A.

The actual discovery phase of a knowledge discovery process

B.

The stage of selecting the right data for a KDD process

C.

A subject-oriented integrated time variant non-volatile collection of data in support of management

D.

None of these

 
 

Option: C

Explanation :


3:  

Data cleaning is

A.

Large collection of data mostly stored in a computer system

B.

The removal of noise errors and incorrect input from a database

C.

The systematic description of the syntactic structure of a specific database. It describes the structure of the attributes the tables and foreign key relationships.

D.

None of these

 
 

Option: B

Explanation :


4:  

Decision support systems (DSS) is

A.

A family of relational database management systems marketed by IBM

B.

Interactive systems that enable decision makers to use databases and models on a computer in order to solve ill-structured problems

C.

It consists of nodes and branches starting from a single root node. Each node represents a test, or decision

D.

None of these

 
 

Option: B

Explanation :




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Syllabus covered in this section is-

  • Data Warehouse environment
  • Architecture of a data warehouse methodology
  • Data Warehouse  analysis
  • Data Warehouse design
  •  Construction and administration of Data Warehouse

This Section covers Data Warehousing Questions Answers .

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