EIS vs MIS
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Questions and Answers

What is the purpose of the ETL process?

To transform operational data into management-relevant information.

What is the role of a data warehouse in business intelligence?

To store and consolidate large amounts of data from operational systems for further analysis.

What is the function of the staging area in a data warehouse?

To temporarily store extracts in order to relieve downstream systems.

What is the main goal of the enrichment sub-process in the ETL process?

<p>To create and store key business figures from filtered and harmonized data.</p> Signup and view all the answers

When did the historical development of business intelligence begin?

<p>The historical development of business intelligence began in the 1960s.</p> Signup and view all the answers

What is the term used to describe a central database that brings together data from different systems used throughout a company?

<p>The term used to describe a central database that brings together data from different systems used throughout a company is 'data warehouse'.</p> Signup and view all the answers

What are some examples of analysis-oriented BI applications?

<p>Some examples of analysis-oriented BI applications include OLAP, MIS, EIS, text mining, data mining, and ad hoc reporting.</p> Signup and view all the answers

What does the term business intelligence (BI) refer to?

<p>Procedures and processes that facilitate the systematic analysis of electronic data.</p> Signup and view all the answers

What is the basic prerequisite for the use of powerful BI tools?

<p>The preparation and storage of consistent data that meets the business needs of managers.</p> Signup and view all the answers

How are operational and dispositive systems different from each other?

<p>Operational systems are used for everyday operations and frequently queried, while dispositive systems are queried by individual experts seeking to address complex issues.</p> Signup and view all the answers

What is the purpose of a data warehouse (DWH)?

<p>To store and manage consistent data for analysis and decision-making.</p> Signup and view all the answers

What are the two different database structures used in the physical implementation of a multidimensional data model?

<p>Star schema and Snowflake schema</p> Signup and view all the answers

How are dimensions arranged in a star schema?

<p>Around the fact table in a star shape</p> Signup and view all the answers

What is the difference between SCD type 1 and SCD type 2 dimension historicization?

<p>In SCD type 1, the previous data record is overwritten, while in SCD type 2, a validity interval is added to each data record</p> Signup and view all the answers

What are the main characteristics of reporting systems?

<p>They present users with clear and simple evaluations of company data, often using visualizations and key performance indicators</p> Signup and view all the answers

What are the benefits of using DMS or CMS functions in role assignments?

<p>With the help of DMS or CMS functions, role assignments can be differentiated and different rights assigned. This allows for centralized control of access to distributed BI knowledge.</p> Signup and view all the answers

What is the purpose of BI portals?

<p>BI portals integrate web-based analysis systems to provide centralized and structured access to available information without the need for additional software installation.</p> Signup and view all the answers

How can user orientation be increased in BI portals?

<p>User orientation in BI portals can be increased through implicit personalization using user profiles and usage data, as well as implementing single sign-on for convenient access.</p> Signup and view all the answers

What are the key features of passive metadata?

<p>Passive metadata primarily document the data on which they are based and their relationship to the environment. They serve to define and store information about structure, development process, and data usage.</p> Signup and view all the answers

What are the focus areas of business metadata?

<p>Business metadata focuses on the subsequent layers of transformation and authorization management. They provide additional information such as keywords and notes about the meta objects.</p> Signup and view all the answers

Why is a multidimensional data model more flexible than a relational data model for DWH applications?

<p>A multidimensional data model is more flexible than a relational data model for DWH applications because it provides flexible views of data based on different interests and allows for arranging enterprise data in a multidimensional data space.</p> Signup and view all the answers

What are the operations available for navigating through a multidimensional data model?

<p>The operations available for navigating through a multidimensional data model are roll-up and drill-down, slice and dice, drill-across, pivoting, and rotation.</p> Signup and view all the answers

What are the two primary differences between EIS and MIS?

<p>EIS primarily presents highly condensed, controlling-relevant internal data, while MIS presents all relevant operational data. Additionally, EIS often integrates external information, whereas MIS typically only presents internal company data.</p> Signup and view all the answers

What is data mining?

<p>Data mining is the software-supported determination of previously unknown correlations, patterns, and trends evident in the data stock of very large databases or DWHs.</p> Signup and view all the answers

What are concept-oriented systems in BI?

<p>Concept-oriented systems are BI tools that provide analyses and data based on specific business concepts or procedures.</p> Signup and view all the answers

How can the distribution of BI analysis results be improved?

<p>The distribution of BI analysis results can be improved by implementing content and document management systems, as well as central, customized BI portals, to ensure that the results are documented and made available in appropriate form throughout the company.</p> Signup and view all the answers

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