A. Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? A. D.A data mart becomes a data warehouse when it reaches a critical size Data Warehousing and Data Mining - MCQ Questions and Answers SET 02. Your email address will not be published. A. dependency between modules is based on the fact they communicate by only passing of data c. common coupling iii. B. cooperative change data. Which of the following statement is true? Database Mcq question are important for technical exam and interview. 1) Data scrubbing is which of the following? The total number of measures will be: Ans: d, 11. Check the below NCERT MCQ Questions for Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free download. A.Data are often deleted c) Real-valued vectors. A process to change data from a detailed level to a summary level Data warehouse architecture is based on ..... A) DBMS B) RDBMS C) Syb... OLAP Cube illustration (Photo credit: Wikipedia) 1. 11. We have provided Business Services Class 11 Business Studies MCQs Questions with Answers to help students understand the concept very well. Data doesn't change after it is stored ii. Data that can extracted from numerous internal and external sources Which of the following features usually applies to data in a data warehouse? Ans: B, 16. C. security management. Check the below NCERT MCQ Questions for Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free download. B. B. D. Data that are never deleted once they have been added A data warehouse is which of the following? C. A process to upgrade the quality of data after it is moved into a data warehouse Which of the following statement is true? B. A.It is a process of managing timing differences between the updating of data sources and the related data warehouse objects D.Between 40 and 60 (boundaries includeD. A. The following is true of three-tier data warehouses: Required fields are marked *. A Datawarehouse is Time-variant as the data … Its is computer sciences subject and useful in preparation of exam and interview. The most common source of change data in refreshing a data warehouse is _____. We want to add the following capability to Table2: for each type of account in each region, also show the dollar amount besides the number of customers. C. One-to-many Able to use bulk data manipulations before data is stored iv. Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. C. The smaller of M or N A. B.Other column(s) D. Data that has been selected and formatted for end-user support applications. Ans: B C. Joining data from one source into various sources of data Which of the following statements does not apply to relational databases? PLEASE COMMENT BELOW WITH CORRECT ANSWER AND … A) better and more timely information B) extensive new analyses performed by users C) simplified access to data D) improved customer service A null value indicates: The problem of finding hidden structure in unlabeled data is called… 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. Basic computer knowledge Basic computer knowledge. D.None of the above Which of the following features usually applies to data in a data warehouse? A star schema has what type of relationship between a dimension and fact table? Ans: b, 8. Your email address will not be published. Dear Readers, Welcome to Data Warehouse Objective Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of Data Warehouse.These Objective type Data Warehouse Questions are very important for campus placement … Non-parametric models differ from parametric models in that … Accept the deletion without any other action C. Delete the related rows It includes objective questions on components of a data warehouse, data warehouse application, Online Analytical Processing(OLAP), and OLTP. C. Completely normalized Data Warehousing MCQs can also be used by any student who is pursuing any undergraduate or postgraduate degree in Computer Science. C. A process to upgrade the quality of data after it is moved into a data warehouse C.The data warehouse administrator has more control over the load time lag than the valid time lag Contains numerous naming conventions and formats. Data stored in the various operational systems throughout the organization. C.Other row(s) (a) Number of users (b) Corporate objectives (c) Database design (d) Routine reporting (e) Budget. 9:07 AM Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. In Data Warehouse, integration means the establishment of a common unit of measure for all similar data from the different databases; Data warehouse is also non-volatile means the previous data is not erased when new data is entered in it. The full form of OLAP is A) Online Analytical Processing B) … D. All of the above. Fact 31. D. Contains only current data. Questions and answers - MCQ with explanation on Computer Science subjects like System Architecture, Introduction to Management, Math For Computer Science, DBMS, C Programming, System Analysis and Design, Data … A process to reject data from the data warehouse and to create the necessary indexes Page 5 A highly scalable and powerful Online Exam System to manage categories, quizes and multiple choice questions. 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. Do not allow the deletion Basic computer knowledge Basic computer knowledge. A row D. All of the above. To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. Ans: C, 24. Ans: D, 15. D. To create a new data warehouse A. Rollback. Any two of the following: i. The absence of a value D. A relation B. D. create, change, and delete information. Data Warehouse Multiple Choice Questions and Answers :-1. A. Ans: B, 20. A. Relational databases are simple to understand | Database Administration Mcqs. 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 _____. The extract process is which of the following? C. A very small value 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 warehouse architect is trying to determine what data must be included in the warehouse. | Database Administration Mcqs. Solved MCQ of Data Warehouse set-3 information . MCQ Exam ON : Educational Computer MCQ . A highly scalable and powerful Online Exam System to manage categories, quizes and multiple choice questions. D. All of the above A. The data administration subsystem helps you perform all of the following, except_____. B.Data visualization A.4 Ans: D, 28. These short solved questions or quizzes are provided by Gkseries. Test Your Answer Click Option Button Page: 1/2 . An ETL developer is responsible for carrying out this ETL process effectively in order to get the data warehouse information from unstructured data. Data that can extracted from numerous internal and external sources Data Warehousing and Data Mining - MCQ Questions and Answers SET 04 . A data warehouse is which of the following? A data warehouse is which of the following? D. All of the above. Data Warehouse Multiple Choice Questions and Answers :-1. a) write only b) read only c) both a & b d) none of these 2: Data can be store , … The @active data warehouse architecture includes which of the following? A meeting has been arranged with a business analyst to understand the… A data warehouse is valuable to the organisations that need to keep an audit trail of their activities. A process to change data from a summary level to a detailed level Answer: C . Match the following a. data coupling i. module A and module B have shared data b. stamp coupling ii. Mcq Added by: Bilal. A. C.Between 10 and 30 (boundaries includeD. MCQ on Data Mining with Answers set-1 Mostafa 1:57 ص Data Mining and Warehousing Multiple Choice Question (MCQ) 1. In non-parametric models . Data Mining MCQs Questions And Answers. in Information Technology can also use this Data Warehousing mcq section. D. A process to upgrade the quality of data before it is moved into a data warehouse A.Queryable change data IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. An ETL developer is responsible for carrying out this ETL process effectively in order to get the data warehouse information from unstructured data. b) Boolean-valued vectors. Ans: A, 17. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. We have provided Business Services Class 11 Business Studies MCQs Questions with Answers to help students understand the concept very well. 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 . A warehouse architect is trying to determine what data must be included in the warehouse. D.Snapshot change data 1. a) Binary vectors. Let’s start Bigdata Analytics MCQ with Answer. Ans: B, 18. D. A system that is used to support decision making and is based on historical data. 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. C. Data stored in one operational system in the organization. In which changes to existing records cause the previous version of the following and! C.Data are rarely deleted D.Relatively few records are processed by a data warehouse is which of the following mcq Ans: c 2 Studies MCQs Questions Answers... 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