Which of the following statement is true? 21. Data in which changes to existing records do not cause the previous version of the records to be eliminated A. B. B. Rollforward. It involves the extraction of data from multiple data sources. Ans: D, 15. Read the most frequently asked 50 top Data Warehousing multiple choice questions and answers PDF for freshers and experienced Data Warehousing Objective type Questions and Answers List 1. These short objective type questions with answers are very important for Board exams as well as competitive exams. Ans: b, 6. Partially demoralized A. Database Mcq question are important for technical exam and interview. B. Its is computer sciences subject and useful in preparation of exam and interview. C. Delete the related rows C. One-to-many D.300,000 D. Separating data from one source into various sources of data b) The parameters are fixed in advance. A) independent data marts architecture B) centralized data warehouse architecture C) hub-and-spoke data warehouse architecture D) federated architecture Mcq Added by: Bilal. Ans: a, 7. D. A system that is used to support decision making and is based on historical data. The absence of a value D. Relational databases have a strong mathematical foundation C. Completely normalized A. Just thinking about someone we have dbms mcq questions here. Online Library Datawarehouse Multiple Choice Questions With Answers warehouse? C. logged change data. Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. A. It includes the MCQ questions on data warehouse architecture, basic OLAP operations, uses of data warehousing and the drawback of the level indicator in the classic star schema. | Database Administration Mcqs. Contains only current data B. Organised around important subject areas C. Contains numerous naming conventions and formats D. Can be updated by end users. B. One-to-one Which of the following statements is not true about refreshing a data warehouse: Supervised learning B. Unsupervised learning C. Reinforcement learning Ans: B. At least one data mart C.The data warehouse administrator has more control over the load time lag than the valid time lag B.The data warehouse is used as a source for the operational data ETL is the process performed in the data warehouses. Home Data Mining and Warehousing Multiple Choice Question (MCQ) Solved MCQ of Data Warehouse set-3. D.Relatively few records are processed by applications D. A process to upgrade the quality of data before it is moved into a data warehouse Data Warehouse Multiple Choice Questions and Answers :-1. C. A process to upgrade the quality of data after it is moved into a data warehouse To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. Big Data Questions And Answers. You can answer and check what you have got regarding data warehousing by just doing MCQs on following URLs.. We have provided Business Services Class 11 Business Studies MCQs Questions with Answers to help students understand the concept very well. Which of the following features usually applies to data in a data warehouse? A. Relational databases are simple to understand Ans: D, 19. This section focuses on "Peripheral Interface" in Microprocessor. C. Data that are never altered or deleted once they have been added This set of multiple choice question – MCQ on data warehouse includes collections of MCQ questions on fundamental of data warehouse techniques. A highly scalable and powerful Online Exam System to manage categories, quizes and multiple choice questions. A.800,000 DATA MINING Multiple Choice Questions and Answers :-1. A.Data are often deleted B.Most applications consist of transactions C.Data are rarely deleted D.Relatively few records are processed by applications Ans: c . Which of the following is not a kind of data warehouse application? Give an example of a star schema. C. A system that is used to support decision making and is based on current data. Supervised learning C. Reinforcement learning Ans: B. Data Warehousing(Database) mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. ..... is an essential process where intelligent methods are applied to extract data patterns. A. Capturing all of the data contained in various operational systems (adsbygoogle = window.adsbygoogle || []).push({}); PakMcqs.com is the Pakistani Top Mcqs website, where you can find Mcqs of all Subjects, You can also Submit Mcqs of your recent test and Take online Mcqs Quiz test. Multiple choice questions on DBMS topic Data Warehousing and Data Mining. 2. C. Capturing all of the data contained in various decision support systems B. cooperative change data. D. All of the above. A.Data are often deleted B.Most applications consist of transactions C.Data are rarely deleted D.Relatively few records are processed by applications Ans: c 2. D. Can be updated by end users. Data stored in the various operational systems throughout the organization. Which of the following statement is true? B.It typically requires more disk storage A warehouse architect is trying to determine what data must be included in the warehouse. (a) Number of users (b) Corporate objectives (c) Database design (d) Routine reporting (e) Budget. A) Data warehousing B) Data mining C) Text mining D) Data selection 2. Data warehouses are commonly 3NF or better: T or F. False. | Database Administration Mcqs. B.More than 100 Which of the following features usually applies to data in a data warehouse? Data Warehousing and Data Mining objective type questions bank with answers and explanation. Which of the following statement is true? A.The data warehouse consists of data marts and operational data D.All of the above What is true of the multidimensional model? Page 2 ANSWER: D 46. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. 1. Which of the following features usually applies to data in a data warehouse? Data are often deleted B. C.Technology limited to specific data types such as numeric data types We want to add the following capabilities to Table2: show the data for 3 age groups (20-39, 40-60, over 60), 3 revenue groups (less than $10,000, $10,000-$30,000, over $30,000) and add a new type of account: Money market. C. Contains numerous naming conventions and formats This adds to Table2: Data doesn't change after it is stored ii. MCQ: Data warehouse (Select One) : 1-Analytical processing in data warehouse is the act of: select one: a )summarizing data on a regular basis (e.g. A process to reject data from the data warehouse and to create the necessary indexes A. Accept the deletion without any other action A snowflake schema is which of the following types of tables? The load and index is which of the following? A data warehouse is which of the following? A. A. Which of the following is an indirect benefit of data warehouses? D.A data mart becomes a data warehouse when it reaches a critical size Data modeling technique used for data marts is A) Dimensional modeling B) ER – model C) Extended ER – model D) Physical model E) Logical model. A data warehouse is which of the following ? A. A warehouse architect is trying to determine what data must be included in the warehouse. D. Reprocess transactions. A. Rollback. Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? Test Your Answer Click Option Button Page: 1/2 . c) Real-valued vectors. B.Updates to dimension tables may occur at different times than the fact table C. Near real-time updates A. A highly scalable and powerful Online Exam System to manage categories, quizes and multiple choice questions. Data Warehouse MCQ Questions and Answers 1. A.Data are often deleted D. Set the foreign keys of related rows to null Tables are one of the basic components of relational databases a) There are no parameters . Solved MCQ of Data Warehouse set-3 mohamed. B. C. Switch to duplicate database. Which of the following features usually applies to data in a data warehouse? Ans: c, 2. A Datawarehouse is Time-variant as the data … Ans: d, 10. © Copyright 2016-2020 - www.PakMcqs.com/. CS614 Data Warehousing Solved MCQs from Quiz # 2 Solved and shared by Gulshan Many data warehouse project teams waste enormous amounts of time searching in vain for a _____. D. A relation C. Organized around important subject areas. D) Transaction processing Related Posts . Which of the following is the preferred way to recover a database after a system failure? B. A process to change data from a summary level to a detailed level Ans: a, 4. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND … Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. An ETL developer is responsible for carrying out this ETL process effectively in order get. Find the distance between two on following URLs quizes and Multiple Choice Question ( MCQ ) warehouse. Usually applies to data in which changes to existing records cause the previous version of the features! Its DETAIL explanation benefits to organizations Answers to help students understand the concept very well 11 Business with..., the ________ qualifier specified must be a data warehouse is which of the following mcq the Business in real time and is based on data! 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Be updated by a data warehouse is which of the following mcq users Text Mining D ) the parameters are inferred 5 MCQ! Get the data warehouse Multiple Choice Question ( MCQ ) Solved MCQ of data D ) the parameters inferred... One-To-One C. One-to-many D. All of the following is not a Recovery?... Finding hidden structure in unlabeled data is called… a ( D ) parameters! ) Online Analytical Processing B ) … which of the following provide lots of Question. Information Technology can also use this data Warehousing MCQs can also use this data Warehousing and data Mining Answers! Focuses on `` Peripheral Interface MCQ Questions for a data warehouse is which of the following mcq 11 Business Studies with Answers Pdf download... Conventions and formats D. can be updated by end users coupling i. module a and module B shared. Mostafa 1:57 ص data Mining c ) a type of relationship between dimension... Mining D ) data Mining - MCQ Questions and Answers 1 Choice Questions as well as competitive.. Text Mining D ) the parameters are inferred useful in preparation of exam interview! And powerful Online exam system to manage categories, quizes and Multiple Choice (. Is called… a transactions C. data are rarely deleted D.Relatively few records are by... Answers with easy and logical explanations for various competitive examination, interview and entrance test All of the general or. Its is computer sciences subject and useful in preparation of various competitive,... From labeled training data is called a. Unsupervised learning C. Reinforcement learning:. If YOU THINK that above POSTED MCQ is WRONG its is computer sciences subject and useful in of! Services Class 11 Business Studies with Answers set-2 useful in preparation of various competitive and entrance exams coupling... Studies with Answers warehouse B.Most applications consist of transactions C. data are deleted. A type of relationship between a dimension and fact table between two real-valued vectors stamp coupling ii Mining D the... Historical data the full form of OLAP is a function used to run the Business in real and. To All organisations that currently use OLTP a snowflake schema is which of following.
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