DATABASE FUNDAMENTALS
DATA WAREHOUSING AND DATA MINING
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A system that is used to run the business in real time and is based on historical data.
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A system that is used to run the business in real time and is based on current data.
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A system that is used to support decision making and is based on current data.
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A system that is used to support decision making and is based on historical data.
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Detailed explanation-1: -Solution: The answer to the question: An operational system is which of the following-is option A. An operational system works based on historical data along with business in real-time.
Detailed explanation-2: -A decision support system (DSS) is a computerized program used to support determinations, judgments, and courses of action in an organization or a business. A DSS sifts through and analyzes massive amounts of data, compiling comprehensive information that can be used to solve problems and in decision-making.
Detailed explanation-3: -CORRECT ANSWER : used to run the business in real time and is based on current data. Discussion Board. Operational system. An operational system is used to run the business in real time and is based on current data. An operational database is a subject-oriented database.
Detailed explanation-4: -Data warehousing systems are typically designed to support high-volume analytical processing (i.e., OLAP). Operational systems are usually concerned with current data. Data warehousing systems are usually concerned with historical data.
Detailed explanation-5: -An operational system is a term used in data warehousing to refer to a system that is used to process the day-to-day transactions of an organization. These systems are designed in a manner that processing of day-to-day transactions is performed efficiently and the integrity of the transactional data is preserved.