Description of a Data Warehouse. A. Which of the following is correct advantage of Update-Driven Approach in Data Warehousing? B.It typically … Tends to be lower than 3NF iii. Which of the following statement is true? Data scrubbing is which of the following? A.It typically requires less disk storage. It is designed for query and analysis rather than for transaction processing, and usually contains historical data derived from transaction data, but can include data … C. Organized around important subject areas. A process to reject data from the data warehouse and to create the necessary indexes. Contains numerous naming conventions and formats. A basic concept of data warehouse is which of the following? A.The data warehouse consists of data marts and operational data B.The data warehouse is used as a source for the operational data C.The operational data are used as a source for the data warehouse D.All of the above Ans: c 3. The @active data warehouse architecture includes which of the following? A process to reject data from the data warehouse and to create the necessary indexes, B. C. A process to upgrade the quality of data after it is moved into a data warehouse… The data in the data warehouse flows from various transactional … A process to load the data in the data warehouse and to create the necessary indexes. • To remove duplicate rows from the results of an SQL SELECT … C. A system that is used to support decision making and is based on current data. Data scrubbing is which of the following? It includes objective questions on components of a data warehouse, data warehouse … If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. The data can be copied, processed, integrated, annotated, summarized and restructured in the semantic data … The Data Warehouse Architecture can be defined as a structural representation of the concrete functional arrangement based on which a Data Warehouse … More Related Questions on Data Warehousing. C. a process to upgrade the quality of data after it is moved into a data warehouse. Which of the following refers to something that can be identified in the users' work environment, something that the users want to track? Typically updated automatically on a daily or … If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. A data warehouse is necessary to all those organisations that are using relational OLTP. A process to load the data in the data warehouse and to create the necessary indexes, C. A process to upgrade the quality of data after it is moved into a data warehouse, D. A process to upgrade the quality of data before it is moved into a data warehouse. A. B. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Able to use bulk data manipulations before data is stored iv. A. a process to reject data from the data warehouse and to create the necessary indexes. In the context of computing, a data warehouse is a collection of data aimed at a specific area (company, organization, etc. B. Store the data in formats suitable for easy access for decision making. This set of multiple choice question – MCQ on data warehouse includes collections of MCQ questions on fundamental of data warehouse techniques. A system that is used to run the business in real … Data scrubbing is which of the following? This approach provides high performance. Cloudflare Ray ID: 60441de5ec3be00b Contains only current data… A.The data warehouse consists of data marts and operational data B.The data warehouse is used as a source for the operational data C.The operational data are used as a source for the data warehouse … B. In contrast, data warehouses support a limited number of concurrent users. Data Warehouse … According to this technique, the data marts are treated as the subsets of a data warehouse. A system that is used to run the business in real time and is based on historical data. A data warehouse is separated from front-end applications, and using it involves writing and executing complex queries. B. a process to load the data in the data warehouse and to create the necessary indexes. The following is true of three-tier data warehouses: A.Once created, the data … A data warehouse is always a subject oriented as it delivers information about a theme instead of organization’s current operations. An operational system is which of the following? A. A. Performance & security by Cloudflare, Please complete the security check to access. • Performance requirements Internet speed Determining analytics and reporting Data quality RATIONALE Data quality, determining analytics and reporting, and performance requirements are challenges of data warehousing. A.The data warehouse consists of data marts and operational data B.The data warehouse is used as a source for the operational data C.The operational data are used as a source for the data warehouse D.All of the above Ans: c. 3. In computing, a data warehouse, also known as an enterprise data warehouse, is a system used for reporting and data analysis, and is considered a core component of business intelligence. B. Please enable Cookies and reload the page. Any two of the following: i. A. Contains numerous naming conventions and formats. C.Data are rarely deleted D.Relatively few records are processed by applications Ans: c. 2. A dependent data marts is a logical subset of a physical subset of a higher data warehouse. It is used for reporting and data … Internet speed is not a challenge, because it does not affect the quality of data warehouse … a data warehouse , also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business intelligence.DWs are central … A. … A Data Warehousing (DW) is process for collecting and managing data from varied sources to provide meaningful business insights. A. ), integrated, non – volatile and variable over time, which helps decision making in the entity in which it is used. A data warehouse is a relational database that is designed for query and analysis rather than for transaction processing. a data warehouse is a ____ collection of information, gathered from many different ____ databases, that supports business analysis activities and decision-making tasks ... which of the following contains a subset of data warehouse information. A goal of data mining includes which of the following? The following is true of three-tier data warehouses: A.Once created, the data … B. A data warehouse is a type of data management system that is designed to enable and support business intelligence (BI) activities, especially analytics. A data warehouse is a databas e designed to enable business intelligence activities: it exists to help users understand and enhance their organization's performance. A Data Warehouse is a repository consisting of information and data that can be analyzed to make informed business decisions. In this technique, firstly a data warehouse is created from which further various data … The basic concept of a Data Warehouse is to facilitate a single version of truth for a company for decision making and forecasting. A system that is used to run the business in real time and is based on current data. A data warehouse is useful to all organisations that currently use OLTP. Which of the following is NOT a challenge of data warehouse design? D. A system that is used to support decision making and is based on historical data. A process to reject data from the data warehouse and to create the necessary indexes B. D. a process to upgrade the quality of data before it is moved into a data warehouse. Data doesn't change after it is stored ii. data warehouses have a more organization wide focus, data … Data that can extracted from numerous internal and external sources: c. Near real-time updates: d. All of the above. Data that can extracted from numerous internal and external sources. Data flows into a data warehouse from transactional systems, relational databases, and other sources, typically on a regular cadence. a. Can be updated by end users. In computing, a data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business intelligence. answer choices . An operational system is which of the following? A Data warehouse is an information system that contains historical and commutative data from single or multiple sources. 8. To explain some observed event or condition, C. To analyze data for expected relationships. It can be achieved on specific theme. A process to load the data in the data warehouse and to create the necessary indexes C. A process to upgrade the quality of data after it is moved into a data warehouse … Your IP: 151.80.155.46 What is true of the multidimensional model? 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