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Welcome to the Role of Metadata in Data Warehousing MCQs Page

Dive deep into the fascinating world of Role of Metadata in Data Warehousing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Role of Metadata in Data Warehousing, a crucial aspect of Data Warehousing and OLAP. In this section, you will encounter a diverse range of MCQs that cover various aspects of Role of Metadata in Data Warehousing, 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 Role of Metadata in Data Warehousing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Data Warehousing and OLAP.

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Role of Metadata in Data Warehousing MCQs | Page 11 of 13

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Q101.
What are some of the basic requirements for a centralized metadata repository in a data warehouse environment?

a.

Standardizing naming conventions, providing historical perspectives, and supporting metadata exchange

b.

Flexible organization, integrated storage of business and technical metadata, and customizable views

c.

Maintaining descriptions and definitions, compartmentalizing logical and physical models, and providing analysis and lookup capabilities

d.

Synchronization, open support for industry-standard interfaces, and good compartmentalization

Discuss
Answer: (b).Flexible organization, integrated storage of business and technical metadata, and customizable views Explanation:Some of the basic requirements for a centralized metadata repository in a data warehouse environment include flexible organization, integrated storage of business and technical metadata, and customizable views.
Q102.
What is one of the challenges associated with using a centralized metadata repository in a data warehouse?

a.

The lack of version control for metadata

b.

The inability to synchronize metadata with external systems

c.

The difficulty of maintaining historical versions of metadata

d.

The challenge of finding a repository tool that satisfies all requirements

Discuss
Answer: (d).The challenge of finding a repository tool that satisfies all requirements Explanation:One of the challenges associated with using a centralized metadata repository is the difficulty of finding a repository tool that satisfies all the required criteria.
Q103.
What standards have been developed for metadata in the data warehouse environment?

a.

The Open Information Model (OIM) and Common Warehouse Metamodel (CWM)

b.

The Data Warehouse Information Standard (DWIS) and the Unified Metadata Model (UMM)

c.

The Meta Data Coalition Standard (MDCS) and the Data Warehouse Metadata Exchange (DWME)

d.

The Object Management Model (OMM) and the Data Warehouse Integration Standard (DWIS)

Discuss
Answer: (a).The Open Information Model (OIM) and Common Warehouse Metamodel (CWM) Explanation:The standards developed for metadata in the data warehouse environment include the Open Information Model (OIM) and the Common Warehouse Metamodel (CWM).
Q104.
What does the standard model for metadata concepts provide for in a data warehouse environment?

a.

Logical database schema management only

b.

Physical database concepts only

c.

Both logical and physical database concepts

d.

Data transformation scripts only

Discuss
Answer: (c).Both logical and physical database concepts Explanation:The standard model for metadata concepts in a data warehouse environment includes both logical and physical database concepts.
Q105.
How can the standard model be extended to include OLAP-specific metadata types?

a.

By incorporating data lineage information

b.

By specifying source and target schemas

c.

By capturing descriptions of data cubes

d.

By including transformation design details

Discuss
Answer: (c).By capturing descriptions of data cubes Explanation:The standard model can be extended to include OLAP-specific metadata types by capturing descriptions of data cubes.
Q106.
What is the role of metadata standards in the data acquisition processes of a data warehouse environment?

a.

Supporting transformation design

b.

Providing source and target schema specifications

c.

Enforcing data lineage requirements

d.

Managing data cleansing rules

Discuss
Answer: (a).Supporting transformation design Explanation:Metadata standards in data acquisition processes of a data warehouse environment support transformation design.
Q107.
What is one of the options for implementing metadata management in a data warehouse environment?

a.

Select and use a single centralized repository for all metadata

b.

Use a decentralized approach with private metadata stores

c.

Develop a universal metadata standard

d.

Create metadata only for business information directory

Discuss
Answer: (a).Select and use a single centralized repository for all metadata Explanation:One of the options for implementing metadata management in a data warehouse environment is to select and use a single centralized repository for all metadata.
Q108.
What is a potential challenge associated with a single centralized metadata repository in a large data warehouse?

a.

It restricts the autonomy of individual processes.

b.

It simplifies metadata interchange.

c.

It enhances metadata integration.

d.

It fosters better standards compliance.

Discuss
Answer: (a).It restricts the autonomy of individual processes. Explanation:A potential challenge associated with a single centralized metadata repository in a large data warehouse is that it may restrict the autonomy of individual processes.
Q109.
What method involves developing a set of procedures for standard tool usage and providing a table of contents for metadata?

a.

Centralized repository approach

b.

Decentralized metadata approach

c.

Company's intranet usage

d.

Developer's own solution

Discuss
Answer: (d).Developer's own solution Explanation:The method involving developing a set of procedures for standard tool usage and providing a table of contents for metadata is referred to as the developer's own solution.
Q110.
What role does Web technology play in the current trend for data warehouse reporting and OLAP functions?

a.

It simplifies metadata integration.

b.

It enhances centralized metadata management.

c.

It provides side-by-side display of metadata and real data.

d.

It eliminates the need for metadata standards.

Discuss
Answer: (c).It provides side-by-side display of metadata and real data. Explanation:Web technology in the current trend for data warehouse reporting and OLAP functions allows side-by-side display of metadata and real data.
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