Question
a.
Result sets involving a single customer or product
b.
Result sets involving raw unprocessed data
c.
Result sets with large numbers of table rows
d.
Result sets comprising a variety of combinations of individual fact table rows
Posted under Data Warehousing and OLAP
Engage with the Community - Add Your Comment
Confused About the Answer? Ask for Details Here.
Know the Explanation? Add it Here.
Q. When running queries in a data warehouse environment, which type of result sets do users typically need?
Similar Questions
Discover Related MCQs
Q. What is the primary advantage of using aggregate fact tables in data warehousing?
View solution
Q. What is the primary purpose of aggregate fact tables in a data warehouse?
View solution
Q. In the context of aggregate fact tables, what are "one-way aggregates"?
View solution
Q. What is the purpose of forming two-way aggregate fact tables in a data warehouse?
View solution
Q. What is the effect of sparsity on the number of rows in aggregate fact tables?
View solution
Q. What is the primary consideration when determining an aggregation strategy for a data warehouse?
View solution
Q. When creating aggregate tables, what can be the effect of the failure of sparsity?
View solution
Q. What is a practical goal for designing aggregation strategies in a data warehouse environment?
View solution
Q. What should you consider when determining the attributes and combinations for aggregation?
View solution
Q. How does the number of values for an attribute affect its suitability for aggregation?
View solution
Q. In a hotel chain schema, if the "city" attribute has 25,000 values and "hotel" has 15,000 values, what is the recommendation regarding aggregation?
View solution
Q. What is the primary goal of aggregation in a data warehouse environment?
View solution
Q. What is a practical approach when designing aggregation strategies in a data warehouse?
View solution
Q. What drives the need for summarization and aggregation in a data warehouse?
View solution
Q. What does a family of STAR schemas consist of?
View solution
Q. What is typically shared among the fact tables in a family of STAR schemas?
View solution
Q. In what kind of business would it make sense to have families of STAR schemas consisting of transaction and snapshot schemas?
View solution
Q. In which type of business does it make sense to have a schema capturing transaction data that supports strategic decision making and revenue analysis?
View solution
Q. What kind of data analysis is primarily supported by a transaction schema?
View solution
Q. What kind of questions are typically addressed by a snapshot schema in a telephone company's data warehouse?
View solution
Suggested Topics
Are you eager to expand your knowledge beyond Data Warehousing and OLAP? We've curated a selection of related categories that you might find intriguing.
Click on the categories below to discover a wealth of MCQs and enrich your understanding of Computer Science. Happy exploring!
