Exam (elaborations)

MIS 2201 Exam Questions| Already Answered| GRADED A+

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MIS 2201

Institution
MIS 2201

What is a data warehouse? - ANSWER-a set of databases to support decision-making in an organization. What is a data mart? - ANSWER-database or databases focused on addressing the concerns of a specific problem or business unit. What are the query and reporting tools? - ANSWER-Canned reports, ad ...

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Uploaded on September 2, 2024
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mis 2201 exam questions already answered graded

Institution MIS 2201
Course MIS 2201

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MIS 2201 Exam Questions| Already
Answered| GRADED A+
What is a data warehouse? - ANSWER-a set of databases to support decision-making in an organization.

What is a data mart? - ANSWER-database or databases focused on addressing the concerns of a specific
problem or business unit.

What are the query and reporting tools? - ANSWER-Canned reports, ad hoc reporting tools, dashboards,
OLAP, data cube

What is canned reports? - ANSWER-provide regular summaries of information in a predetermined
format

What is ad hoc reporting tools? - ANSWER-puts users in control so that they can create custom reports
on an as-needed basis by selecting fields, ranges, summary conditions, and other parameters.

What is dashboards? - ANSWER-heads-up display of critical indicators that allows managers to get a
graphical glance at key performance metrics.

What is Online Analytical Processing (OLAP)? - ANSWER-takes data from standard relational databases,
calculates and summarizes the data, and then stres the data in a special database called a data cube.

What is a data cube? - ANSWER-special database used to store data in OLAP reporting.

What are data fields in Tableau? - ANSWER-made from the columns in your data source.

What is data type in Tableau? - ANSWER-integer, string, date.

, What is dimension in Tableau? - ANSWER-contain qualitative values (names, dates or geographical data)
use them to categorize, segment and reveal details in your data. Aggregated - minimum, maximum,
count, or count (distinct)

What is measure in Tableau? - ANSWER-contain numeric, quantitative values. Aggregated - sum,
average, and median.

What is discrete in Tableau? - ANSWER-"individually separate and distinct" mathematical terms.

What is continuous in Tableau? - ANSWER-"forming an unbroken whole, without interruption"
mathematical terms.

What is big data? - ANSWER-refers to the huge collections of data that are difficult to process, analyze,
and manage using conventional database tools.

What are the 5 V's of big data? - ANSWER-high volume, high velocity, diversified variety. unknown
veracity, and low-density value.

What is high volume? - ANSWER-the size and amounts of big data that companies manage and analyze.

What is high velocity? - ANSWER-the speed at which companies receive, store and manage data - e.g.,
the specific number of social media posts or search queries received within a day, hour or other unit of
time.

What is diversified variety? - ANSWER-the diversity and range of different data types, including
unstructured data semi-structured data and raw data

What is unknown veracity? - ANSWER-the "truth" or accuracy of data and information assets, which
often determines executive-level confidence

What is low-denisty value? - ANSWER-large volumes of data containing unimportant details. comes from
insight discovery and pattern recognition that lead to more effective operations, stronger customer
relationships and other clear and quantifiable business benefits

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