Data warehouse question and answer
WebAug 28, 2024 · A data warehouse is a electronic storage of an Organization's historical data for the purpose of Data Analytics, such as reporting, analysis and other knowledge … WebQuestion: Q2 (60) - Suppose that a data warehouse consists of the four dimensions, date, spectator, location, and game, and the two measures, count and charge, where charge is the fare that a spectator pays when watching a game on a given date. Spectators may be students, adults, or seniors, with each category having its own charge rate.
Data warehouse question and answer
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WebAnswer: Removes mistakes and corrects missing data. It provides documented measures of confidence in data. Captures the flow of transnational data for safekeeping. Adjusts data from multiple sources to be used together. Structures data to be usable by end-user tools. 3. What is the day-to-day process in the ETL System? Answer: Web1. The term Data Warehouse was first coined by? A. Roger Mougalas B. Arthur Samuel C. Bill Inmon D. Herbert Simon View Answer 2. In Which year, Data Warehouse was first …
WebApr 6, 2024 · Anyways – what’s your first data analysis question? You: Well, I was hoping you could tell me how we can raise more revenue in our business. Data Dan: (Rolls eyes). That’s a pretty lame question, but I … WebThe data warehouse consists of five dimensions1: performer, audience, location, date and payment, and two measures, count and price, where price is the ticket price that an audience pays for attending a concert at a given location on a given date/time, and count is the total number of This question hasn't been solved yet Ask an expert
WebAnswer: OLTP is the transaction system that collects business data. Whereas OLAP is the reporting and analysis system on that data. OLTP systems are optimized for INSERT, UPDATE operations and therefore highly normalized. On the other hand, OLAP systems are deliberately denormalized for fast data retrieval through SELECT operations. WebFeb 16, 2024 · 9. Differentiate data warehouse from data mart. Ans. A data warehouse is a repository of historical data that is used for reporting and analysis. A data mart is a …
Data warehousing (DW) is the repository of a data and it is used for Management decision support system. Data warehouse consists of wide variety of data that has high level of business conditions at a single point in time. In single sentence, it is repository of integrated information which can be available for … See more Business Intelligence is also known as DSS – Decision support system which refers to the technologies, application and practices for the … See more Dimension table is a table which contain attributes of measurements stored in fact tables. This table consists of hierarchies, categories and logic that can be used to traverse in nodes. See more There are four stages of Datawarehousing: 1. Offline Operational Database 2. Offline Data Warehouse 3. Real Time Datawarehouse 4. Integrated Datawarehouse See more Fact table contains the measurement of business processes, and it contains foreign keys for the dimension tables. Example – If the business process is manufacturing of … See more
WebMar 28, 2024 · What is a Data Warehouse? Businesses have applications that process and store thousands, even millions of transactions each day. The ability to create, retrieve, update, and delete this data is made possible by databases, also referred to as online transaction processing systems (OLTP). forced pregnancy wattpadWebJun 24, 2024 · In your answer, describe how your strengths and abilities helped you complete a project or complete an objective in your experience. Example: "I have keen … elizabeth hay countess of huntly 1442WebApr 7, 2024 · Frequently Asked Data Warehouse Interview Questions Q1. Compare a database with Data Warehouse. Q2. What is the purpose of cluster analysis in Data … forced pregnancy storyWebQuestion: Consider a data warehouse which stores data about different concerts. The data warehouse consists of five dimensions1: performer, audience, location, date and … elizabeth hay design pte ltdWebBusiness intelligence are set of software which connects to data mart to do various reporting useful for the business or good running of the company. All the business decision are … forced power outages in californiaWebExam, answers Solved papers University Birla Institute of Technology and Science, Pilani Course Data Mining (IS ZC425) Listed bookIntroduction … forced primalWebJan 31, 2024 · Data warehousing is a process for collecting and managing data from varied sources. It provides meaningful business enterprise insights. Data warehousing is typically used to connect and analyse data from heterogeneous sources. It is the core of the BI system, which is built for data analysis and reporting. 32) What is junk dimension? elizabeth hawthorne wedding website