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ISA 235 Question and answers verified to pass
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ISA 235 Question and answers verified to pass ISA 235 6.2 Data Warehouse - correct answer A logical collection of information - gathered from many different operational databases - that supports business analysis activities and decision-making tasks - Primary purpose: Aggregate information t...

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  • November 8, 2024
  • 5
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • isa 235
  • isa 235 question and answers verified to pass

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ISA 235 6.2
Data Warehouse - correct answer ✔A logical collection of information -
gathered from many different operational databases - that supports business
analysis activities and decision-making tasks
- Primary purpose: Aggregate information throughout an organization into a
single repository for decision-making purposes


Reasons Business Analysis is Difficult from Operational Databases - correct
answer ✔


Extraction, Transformation, and Loading (ETL) - correct answer ✔A process
that extracts information from internal and external databases, transforms the
information using a common set of enterprise definitions, and loads the
information into a data warehouse
- The ETL process gathers data from the internal and external databases and
passes it to the data warehouse
- The ETL process also gathers data from the data warehouse and passes it
to the data marts


Data Mart - correct answer ✔Contains a subset of data warehouse
information


Data Warehouse Model - correct answer ✔


Dirty Data - correct answer ✔


What must an organization do in the data warehouse? - correct answer ✔An
organization must maintain high-quality data in the data warehouse

, Information Cleansing or Scrubbing - correct answer ✔A process that weeds
out and fixes or discards inconsistent, incorrect, or incomplete information


Standardizing Customer Name from Operational Systems - correct answer ✔


Example of Information Cleansing - correct answer ✔


Cost of Accurate and Complete Information - correct answer ✔


Big Data - correct answer ✔"A collection of large, complex data sets,
including structured and
unstructured data, which cannot be analyzed using traditional
database methods and tools"


Four Common Characteristics of Big Data - correct answer ✔


Three organizational methods for analyzing big data - correct answer ✔1)
Data Mining
2) Big Data Analytics
3) Data Visualization


Data Mining - correct answer ✔The process of analyzing data to extract
information not offered by the raw data alone


Data-Mining Tools - correct answer ✔Use a variety of techniques to find
patterns and relationships in large volumes of information

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