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http://www.myreadingroom.co.in/notes-and-studymaterial/65-dbms/561-operational-data-and-decision-support-data.html
Instead, decision support data represent transaction summaries; therefore, the decision support database stores data that are integrated, aggregated, and summarized for decision support purposes. • The degree to which decision support data are summarized is very high when contrasted with operational data.
https://www.techopedia.com/definition/770/decision-support-system-dss
Decision Support System: A decision support system (DSS) is a computer-based application that collects, organizes and analyzes business data to facilitate quality business decision-making for management, operations and planning. A well-designed DSS aids decision makers in compiling a variety of data from many sources: raw data, documents, ...
https://encyclopedia2.thefreedictionary.com/decision+support+database
For example, a decision support database might provide data to determine the average salary of different types of workers, whereas an operational database containing the same data would be used to calculate pay check amounts. Often, decision support data is extracted from operation databases.
https://simplicable.com/new/operational-database
An operational database is a database instance that creates or updates large amounts of data in real time. This can be based on any number of database technologies that support the availability levels, speed, concurrency, data integrity and recoverability required.The following are illustrative examples of an operational database.
https://quizlet.com/64056841/database-management-final-third-10-flash-cards/
Operational and Decision Support Data differ in 3 main ways: (1) Time Span - Operational is dealing with current operations and real-time data, Decision Support data is dealing with historic data, or a snapshot of company data (2) Granularity - Operational is atomic-detailed data, Decision Support Data is summarized data
http://dssresources.com/faq/index.php?action=artikel&id=146
Decision support data stores rarely include the details of each operating transaction. DSS data may include transaction summaries. In general, DSS data are integrated from multiple operational databases and DSS data are sometimes aggregated and summarized in the database to support predefined decision support queries.
https://quizlet.com/340691380/chapter13-flash-cards/
Operational data and decision support data serve the same purpose. ... The decision support database query optimizer must be enhanced to support non-normalized structures. True. Once data enter the data warehouse, they are updated very rarely, if at all. True. Creating a data warehouse is a simple exercise that takes little time, money, or effort.
https://www.coursehero.com/file/p6ul4ev/3-What-are-decision-support-systems-and-what-role-do-they-play-in-the-business/
database, it is not efficient for query processing. For example, to extract a simple invoice, you would have to join several tables. Whereas operational data are useful for capturing daily business transactions, decision support data give tactical and strategic business meaning to the operational data. From the data analyst’s point of view, decision support data differ from operational data ...
https://yourbusiness.azcentral.com/role-management-information-systems-decision-making-1826.html
Management information systems combine hardware, software and network products in an integrated solution that provides managers with data in a format suitable for analysis, monitoring, decision-making and reporting. The system collects data, stores it in a database and makes it …
https://arxiv.org/pdf/1502.01803
Strategic and Operational information Support of decision making processes and systems INTRODUCTION Nowadays, the level of success for an organisation is based on its capacity to leverage a considerable amount of data and translate it into successful decisions. With the boom of information, the multiplication of operational information systems
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