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