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Welcome to the Matching Information to the Classes of Users MCQs Page

Dive deep into the fascinating world of Matching Information to the Classes of Users with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Matching Information to the Classes of Users, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Matching Information to the Classes of Users, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Data Warehousing and OLAP.

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Check out the MCQs below to embark on an enriching journey through Matching Information to the Classes of Users. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Warehousing and OLAP.

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Matching Information to the Classes of Users MCQs | Page 1 of 10

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Q1.
What is the primary purpose of a data warehouse?

a.

To extract and transform data from source systems

b.

To provide information to users for strategic decision making

c.

To make data available for day-to-day operations

d.

To design data repositories

Discuss
Answer: (b).To provide information to users for strategic decision making Explanation:The data warehouse exists to provide strategic information to users.
Q2.
What determines the ultimate success of a data warehouse from the users' perspective?

a.

The effectiveness of data cleansing methods

b.

The availability of source systems

c.

The information delivery mechanism and user interface

d.

The design of data repositories

Discuss
Answer: (c).The information delivery mechanism and user interface Explanation:The user interface for information delivery is what determines the ultimate success of a data warehouse.
Q3.
What should a data warehouse project team consider when providing information to users?

a.

The availability of source systems

b.

The intuitive nature of the data warehouse

c.

The location of the data warehouse

d.

The requirements of the users

Discuss
Answer: (d).The requirements of the users Explanation:The data warehouse should be designed based on the requirements of the users.
Q4.
Why is selecting the right information delivery tools important for a data warehouse?

a.

To improve data cleansing methods

b.

To determine the location of the data warehouse

c.

To ensure data repository design is appropriate

d.

To enhance the success of the data warehouse

Discuss
Answer: (d).To enhance the success of the data warehouse Explanation:A large portion of the success of a data warehouse depends on the information delivery tools.
Q5.
How does information delivery from a data warehouse differ from that of operational systems?

a.

Users in a data warehouse do not navigate through the contents.

b.

Users in a data warehouse do not perform their own analysis.

c.

Data warehouse users are free to make up their own queries and reports.

d.

Data warehouse users rely on predefined queries and preformatted reports.

Discuss
Answer: (c).Data warehouse users are free to make up their own queries and reports. Explanation:How users in a data warehouse are free to make up their own queries and reports, making the information delivery interactive.
Q6.
What is the main purpose of data warehousing in relation to source systems?

a.

To replace source systems with a more efficient solution

b.

To obtain data from source systems for querying and analysis

c.

To maintain data in the same format as source systems

d.

To eliminate the need for data cleansing

Discuss
Answer: (b).To obtain data from source systems for querying and analysis Explanation:Data warehousing enables users to make better strategic decisions by obtaining data from source systems and keeping it in a format suitable for querying and analysis.
Q7.
In what way do databases in operational systems differ from those in the data warehouse?

a.

Operational system databases are more interactive.

b.

Operational system databases have higher value information.

c.

Data warehouse databases are used for day-to-day work.

d.

Data warehouse databases are intended for strategic decision making.

Discuss
Answer: (d).Data warehouse databases are intended for strategic decision making. Explanation:The difference between operational system databases and data warehouse databases relates to the intended use and value of the information.
Q8.
How often are users allowed to run their own queries and format their own reports in an operational system?

a.

Users can always run their own queries and format reports.

b.

Users are rarely allowed to run their own queries in operational systems.

c.

Users in operational systems must run queries and format reports.

d.

Users have unlimited access to the databases in operational systems.

Discuss
Answer: (b).Users are rarely allowed to run their own queries in operational systems. Explanation:In operational systems, users are hardly ever allowed to run their own queries and make up their own reports.
Q9.
What is one reason for not allowing users to run their own queries in operational systems?

a.

Users may impact the performance of the system positively.

b.

Users may lack the necessary skills to run queries.

c.

Users may impact the performance of the system adversely with runaway queries.

d.

Users are always given metadata and data dictionary entries.

Discuss
Answer: (c).Users may impact the performance of the system adversely with runaway queries. Explanation:One reason for not allowing users to run their own queries in operational systems is the potential adverse impact on system performance with runaway queries.
Q10.
How does the value of information from an operational system compare to the value from the data warehouse?

a.

Information from an operational system is primarily used for strategic decision making.

b.

Information from an operational system is mostly oriented to monitoring and control of current operations.

c.

Information from an operational system is used to analyze growth patterns in revenue and market penetration.

d.

Information from an operational system and data warehouse have the same value.

Discuss
Answer: (b).Information from an operational system is mostly oriented to monitoring and control of current operations. Explanation:Information from an operational system is mostly oriented to monitoring and control of current operations, whereas data warehouse information is used for strategic decision making.
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