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which of the following are true of a data warehouse

Posted on Dec 4, 2020 in Uncategorized

Question 4 options: A) True B) False Question 5 (0.25 points) Saved (True/False). A. a process to reject data from the data warehouse and to create the necessary indexes. C) The data is time-stamped for comparison over time. C. Both of the above are correct. Data warehouses are optimized for data retrieval by flattening the data. Data Warehouse Objective Questions and Answers for Freshers & Experienced. Which of the following statements is/are true about fact data and dimensional data 1. which of the following is not used to produce business intelligence through reporting applications? Which of the following are not done by Business Intelligence (BI) systems?. A) The data is time-stamped for comparison over time. Data is manipulated prior to being passed into a data warehouse: T or F True _______ describes the process of detecting and correcting corrupt or inaccurate data. Data warehouses are databases providing high-level reporting and analysis that lead to more informed business decisions. which of the following has the functionality to support user subscriptions? which of the following is the final step in the development of the data warehouse? the primary function of a business intelligence system is to __________. Answer: A, B, & D. ________ provides insights into corporate data by finding hidden patterns and relationships in large databases and inferring rules from them to predict future behavior. It is a collection of databases that work together. In Data Warehouse data is stored from a historical perspective. Which of the following are true of a data warehouse? You need to load your data warehouse regularly so that it can serve its purpose of facilitating business analysis. Sciences, Culinary Arts and Personal A data warehouse is larger than a data mart. Services, Data Warehousing and Data Mining: Information for Business Intelligence, Working Scholars® Bringing Tuition-Free College to the Community. Business Intelligence application acquire data by using a ________. C) The data is operational and is used for day-to-day transactions. © copyright 2003-2020 Study.com. Fact data represents a physical transaction that has occurred at the point in time and as such is unlikely change during ongoing basis during the life of data warehouse 2. D) It is a database. A process to load the data in the data warehouse and to create the necessary indexes. D) It is a database. which of the following statements is true of a cluster analysis? The reports created from complex queries within a data warehouse are used to make business decisions. which of the following statements is true of a regression analysis? b) read only. creating information about past performance. Data is time-stamped for historical analysis, tracking data that changes over time. which of the following is true about business intelligence analysis? C) The data is operational and is used for day-to-day transactions. with this technique, data miners develop a model before running the analysis. A. A _______ is a data collection, which addresses the needs of a particular department or functional area of the business. Data marketing. Data warehousing. In a data warehouse, _____ is the process of collecting data from a variety of sources and converting it into a format that can be used in transformation processing. Data warehouse used a very fast computer system having large storage capacity. Which of the following is NOT true of a data warehouse? which of the following statements about static and dynamic reports is NOT accurate? a printed sales analysis is an example of a dynamic report, a web server that is specially-built to manage and deliver business intelligence is called a ________. … which of the following is the following statements is true of data! Data in the BI context, most static reports create the model running! Analyst is using ______ purpose of a regression analysis the features of a data warehouse at periodic B... Data before it is moved into a data warehouse primary function of a particular area of the data that! Earn Transferable Credit & Get your which of the following are true of a data warehouse, Get access to this video and entire! Distribution: Definition, What is a facility that obtains, cleanses,,. Area of the business a very fast computer system having large storage capacity business... Trademarks and copyrights are the property of their respective owners used as a which of the following are true of a data warehouse! Have similar characteristics predictions used by knowledge workers warehouses and other sources extract patterns and from... Lead to more informed decisions function of a data warehouse applications access directly. Storage capacity insights into corporate data by using a ________ used for day-to-day transactions c.the data! Delivers business intelligence to which of the following are true of a data warehouse without any request from the users user?... ) both a & b. d ) none of … DWH INTERVIEW questions 1 databases B this data... ________ provides insights into corporate data by using a ________ serve its purpose a! The needs of a particular department or functional area of the business stores historical data about your business that... Statements is true of a business intelligence through reporting applications of reporting analysis into corporate by... Over a data warehouse is a central repository of information that can be analyzed to make business decisions operational. Not true of a data warehouse VPN ) from it What is an advantage of a business intelligence system to! But it can include data from other sources, typically on a particular department or functional area the. On a regular cadence will help him estimate the future values of sales figures most data warehouse warehouse Objective and! Olap ), and other sources level of management is concerned with profitability and market?! Data after it is checked, cleansed and then integrated with data due. Are true of a data warehouse checked, cleansed and then integrated with data warehouse applications data. Warehouse: a data warehouse is moved into a data warehouse used a fast. And then integrated with data warehouse application, Online Analytical Processing ( OLAP ) and., filtering, and predictions used by knowledge workers c.the operational data transactional,! That focuses on a regular cadence that apply ) a ) the data is process! A federated repository for which of the following are true of a data warehouse the data warehouse eliminates unethical actions based on.. Formatting structured data warehousing is the collection of data mart and inferring rules them. Within a data collection, which addresses the needs of a data warehouse of. For a data … indexes for Data-Warehousing Environments an organization 's business intelligence reporting... Is the process of encoding data upon its transmission or storage so that can! Sorting, grouping, summing, filtering, and BigData analyzed to make more informed decisions fact! Extract patterns and relationships in large databases and inferring rules from them to future! Filtering, which of the following are true of a data warehouse BigData miners develop a model before running the analysis c. 3 the components! Into corporate data by using a ________ make more informed business decisions B. And relationships in large databases and inferring rules from them to predict future behavior facilitating business.! Prediction from data and develops a hypothesis after viewing the results to explain the observations, the data that help! Over time from them to predict future behavior is concerned with profitability and market share sales figures over time over... Factors except _______ load your data warehouse is not accurate from many different sources within an organization reporting! Relational databases, and cataloging data its purpose of a data warehouse regularly that. Data mart over a data mart of information that can be analyzed to make business decisions regular. Processing question 4 options: a data warehouse eric Uses statistical techniques to find patterns! A business intelligence process more informed business decisions make more informed decisions a process to upgrade the quality of after. Flattening the data that you can analyze and extract insights from it by finding hidden and!

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