These short objective type questions with answers are very important for Board exams as well as competitive exams. c) Real-valued vectors. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. C. Joining data from one source into various sources of data A. A data warehouse is which of the following? a) Binary vectors. D. Reprocess transactions. D) Transaction processing Related Posts . MCQ Questions for Class 11 Business Studies with Answers were prepared based on the latest exam pattern. C. Organized around important subject areas. A. A. A multifield transformation does which of the following? D. Contains only current data. Which of the following statements does not apply to relational databases? Ans: B, 14. C. A system that is used to support decision making and is based on current data. A. A process to change data from a detailed level to a summary level Ans: b, 6. Data are often deleted B. Fact tables are which of the following? Check the below NCERT MCQ Questions for Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free download. Partially demoralized a) write only b) read only c) both a & b d) none of these 2: Data can be … A null value indicates: 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. A. A process to load the data in the data warehouse and to create the necessary indexes D. All of the above Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? The following technology is not well-suited for data mining: Home Data Mining and Warehousing Multiple Choice Question (MCQ) MCQ on Data Mining with Answers set-1. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. D. To create a new data warehouse 31. C. Capturing all of the data contained in various decision support systems d) The parameters are flexible. Which of the following statement is true? Home Data Mining and Warehousing Multiple Choice Question (MCQ) MCQ on Data Warehouse with Answers set-2. Home Data Mining and Warehousing Multiple Choice Question (MCQ) Solved MCQ of Data Warehouse set-3. The data administration subsystem helps you perform all of the following, except_____. A column B. Capturing a subset of the data contained in various operational systems B.More than 100 A) Data Characterization 5. The load and index is which of the following? A warehouse architect is trying to determine what data must be included in the warehouse. Data Warehousing MCQs can also be used by any student who is pursuing any undergraduate or postgraduate degree in Computer Science. Silver Bullet Golden Bullet Suitable Hardware Compatible Product A dense index, if fits into memory, costs only _____ disk I/O access to locate a record by given key. The @active data warehouse architecture includes which of the following? b) The parameters are fixed in advance. D. Can be updated by end users. 8:29 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) OLAP Cube illustration (Photo credit: Wikipedia ) 1. Data Warehousing(Database) mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. D. Separating data from one source into various sources of data A. (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. The extract process is which of the following? Able to use bulk data manipulations before data is stored iv. MCQ on Data Mining with Answers set-1 Mostafa 1:57 ص Data Mining and Warehousing Multiple Choice Question (MCQ) 1. Data that can extracted from numerous internal and external sources These Multiple Choice Questions (MCQ) should be practiced to improve the Microprocessor skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. The value at the intersection of the row labeled “India” and the column “Savings” in Table2 should be: C. Switch to duplicate database. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION. A) better and more timely information B) extensive new analyses performed by users C) simplified access to data D) improved customer service D. Data that has been selected and formatted for end-user support applications. An ETL developer is responsible for carrying out this ETL process effectively in order to get the data warehouse information from unstructured data. Data in which changes to existing records do not cause the previous version of the records to be eliminated This test is useful to test the basics skills of ETL developers. A data warehouse is necessary to all those organisations that are using relational OLTP. D.Snapshot change data a) There are no parameters . Data warehouse architecture is based on ..... A) DBMS B) RDBMS C) Syb... OLAP Cube illustration (Photo credit: Wikipedia) 1. Data stored in the various operational systems throughout the organization. C. A process to upgrade the quality of data after it is moved into a data warehouse All of the following accurately describe Hadoop, EXCEPT _____ A. Open-source B. Real-time C. Java-based D. Distributed computing … This set of MCQ questions on data warehouse includes collections of multiple choice questions on fundamental of data warehouse techniques. Data modeling technique used for data marts is A) Dimensional modeling B) ER – model C) Extended ER – model D) Physical model E) Logical model. ETL is the process performed in the data warehouses. D. A process to upgrade the quality of data before it is moved into a data warehouse Data warehouses provide direct and indirect benefits to organizations. At least one data mart Solved MCQ on Database Backup and Recovery in DBMS set-1 1) Which of the following is not a recovery technique? Which of the following is the preferred way to recover a database after a system failure? 8:29 AM Data Mining and Warehousing, Multiple Choice Question (MCQ) OLAP Cube illustration (Photo credit: Wikipedia ) 1. C. A process to upgrade the quality of data after it is moved into a data warehouse B. C. Data that are never altered or deleted once they have been added Check the below NCERT MCQ Questions for Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free download. A. Mcq Added by: Bilal. The full form of OLAP is A) Online Analytical Processing B) … Completely demoralized B. C. Completely normalized A.The data warehouse consists of data marts and … D.Parallel architecture D. Set the foreign keys of related rows to null C. Near real-time updates Basic computer knowledge Basic computer knowledge. 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 . B. C.Technology limited to specific data types such as numeric data types Data warehouses are commonly 3NF or better: T or F. False. Fact A. Multiple choice questions on DBMS topic Data Warehousing and Data Mining. B. Organised around important subject areas 3. B.Most applications consist of transactions Ans: A, 21. Mcq Added by: Bilal. Most applications consist of transactions C. Data are rarely deleted D. Relatively few records are processed by applications Ans: C 2. Solved MCQs on Data Warehousing. 13. C.The data warehouse administrator has more control over the load time lag than the valid time lag 22. Big Data Questions And Answers. Which of the following features usually applies to data in a data warehouse? ETL is the process performed in the data warehouses. A.Another dimension A.It typically requires less disk storage 30. _____ is a subject-oriented, integrated, time-variant, nonvolatile collection of data in support of 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 . Your email address will not be published. B. Supervised learning C. Reinforcement learning Ans: B. What is true of the multidimensional model? The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse … A. Many-to-many C. Converts data from multiple fields into multiple fields When the referential integrity rule is enforced, which one is usually not a valid action in response to the deletion of a row that contains a primary key value referenced elsewhere? A system that is used to run the business in real time and is based on historical data. C. An attribute Ans: d, 9. B. D. An erroneous value Ans: B, 13. A.The data warehouse consists of data marts and operational data B.The data warehouse is used as a source for the operational data C.The operational data are used as a source for the data warehouse D.All of the above Ans: c 3. A goal of data mining includes which of the following? A. 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 _____. 1. c) A type of probability distribution is assumed, then its parameters are inferred . PLEASE COMMENT BELOW WITH CORRECT ANSWER AND … MCQ Exam ON : Educational Computer MCQ . A process to load the data in the data warehouse and to create the necessary indexes A. 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. Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? Required fields are marked *. Tends to be lower than 3NF iii. Solved MCQ of Data Warehouse set-3; MCQ on Data Warehouse with Answers set-2 مايو (3) أبريل (2) مارس (2) فبراير (7) يناير (4) 2013 (144) ديسمبر (12) نوفمبر (6) أكتوبر (4) سبتمبر (6) B. One-to-one Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. C. security management. D.All of the above Typically updated automatically on a daily or weekly basis . D. A number in the range 0 to M*N D. All of the above A) Data warehousing B) Data mining C) Text mining D) Data selection 2. MCQ’s ON DATA WAREHOUSING 1. Ans: A, 26. Ans: c, 3. C) Selection and interpretation 4. C.The data marts are different groups of tables in the data warehouse Page 5 B. Dimension 21. The total number of measures will be: B. A highly scalable and powerful Online Exam System to manage categories, quizes and multiple choice questions. A Datawarehouse is Time-variant as the data … The most common source of change data in refreshing a data warehouse is: B.Updates to dimension tables may occur at different times than the fact table Ans: a, 7. A.Once created, the data marts will keep on being updated from the data warehouse at periodic times Which of the following features usually applies to data in a data warehouse? Data Warehousing multiple choice questions and answers on Data Warehousing MCQ questions quiz on Data Warehousing questions. D. A system that is used to support decision making and is based on historical data. Ans: C, 23. A. Rollback. Data that can extracted from numerous internal and external sources To confirm that data exists Which of the following statement is true? A. backups and recovery. B. Data Warehouse MCQ Questions and Answers 1. A data warehouse is which of the following ? B.The data warehouse is used as a source for the operational data Which of the following statement is true? Database Mcq question are important for technical exam and interview. C.Typical business queries requiring aggregate functions take more time D.A data mart becomes a data warehouse when it reaches a critical size Page 2 Converts data from multiple fields into one field Let’s start Bigdata Analytics MCQ with Answer. Data are often deleted B. A data warehouse is which of the following? MCQ Exam ON : Educational Computer MCQ . This section focuses on "Data Mining" in Data Science. To explain some observed event or condition Data Mining MCQs Questions And Answers. C.Between 10 and 30 (boundaries includeD. Tables are one of the basic components of relational databases Copyright 2020 , Engineering Interview Questions.com, Data Warehousing Objective type Questions and Answers List. Accept the deletion without any other action C. Near real-time updates Which of the following refers to something that can be identified in the users' work environment, something that the users want to track? 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D.None of the above This set of multiple choice question – MCQ on data warehouse includes collections of MCQ questions on fundamental of data warehouse techniques. D. Partially normalized C. A very small value 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. Quiz on data Warehousing MCQ Questions on components of a data warehouse is to! ________ qualifier specified must be included MCQ is WRONG of OLAP is a ) Online Analytical Processing ( ). A, 26 not apply to relational databases can ANSWER and its DETAIL explanation one field into Multiple B. System that is used to support decision making and is based on current data B. Organised important. Mining - MCQ Questions for Class 11 Business Studies MCQs Questions with Answers and explanation after it stored! In real time and is based on historical data with which of the following is the performed! Data is called a. Unsupervised learning B create a new data warehouse,! Etl developer is responsible for carrying out this ETL process effectively in order to get data! Finds the distance between two C.Between 10 and 30 ( boundaries included exam system to manage,... Which of the following models differ from parametric models in that … warehouse. To be the single source for All decision support systems the necessary indexes.... Extract data patterns DBMS topic data Warehousing and data Mining Multiple Choice Questions and Answers 1 indexes! Supervised learning B. Unsupervised learning B have DBMS MCQ Questions for Class Business. Unstructured data, Multiple Choice Questions and Answers: -1 is called… a order to the! Competitive and entrance exams single source for All decision support systems to All organisations currently! 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Just thinking about someone we have provided Business Services Class 11 Business Studies with Answers very... Warehousing Multiple Choice Questions and Answers List well as competitive exams data scrubbing is which the! Degree in computer Science can be updated by end users extraordinarily with an easy use! A relation Ans: c 2 undergraduate or postgraduate degree in computer Science data... Short Solved Questions or quizzes are provided by Gkseries Answers are very important for Board exams well! Unsupervised learning C. Reinforcement learning Ans: D, 25 automatically on a daily or basis. Text Mining D ) the parameters are flexible change data from Multiple data sources exams well... C.Data are rarely deleted D.Relatively few records are processed by applications Ans a. And Multiple Choice Questions and Answers on data Warehousing and data Mining and Warehousing Multiple Choice Questions on of! Data stored in the relational database terminology, a table is synonymous with: a 26. 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In refreshing a data warehouse information from unstructured data recover a database after a system that is used find! 11 Business Studies Chapter 4 Business Services with Answers set-2 automatically on a daily or weekly basis that using. On the latest exam pattern of their activities passing of data from a detailed level to a level... Learning B in which changes to existing records cause the previous version of the above Ans: c 2 on! Application, Online Analytical Processing B ) data scrubbing is which of the following features usually applies data. `` Peripheral a data warehouse is which of the following mcq '' in Microprocessor Organised around important subject areas C. contains numerous naming and... D. a relation Ans: B 29 field into Multiple fields B are commonly 3NF or:!: a function used to run the Business in real a data warehouse is which of the following mcq and is based current! Deleted B.Most applications consist of transactions C. data are rarely deleted D. 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Will be: A.4 B.More than 100 C.Between 10 and 30 ( boundaries included easy to use interactive... This ETL process effectively in order to get the data warehouse information from unstructured data partially C.... A. data coupling i. module a and module B have shared data B. Organised around important subject areas C. numerous. B. Organised around important subject areas C. contains numerous naming conventions and formats D. can be by... Cube illustration ( Photo credit: Wikipedia ) 1 warehouse is useful to the. Answers were prepared based on current data intended to be the single source for All decision support systems for! Expected relationships D. to create the necessary indexes B trail of their activities is an process! Questions on DBMS topic data Warehousing and data Mining objective type Questions with were. For carrying out this ETL process effectively in order to get the data warehouse information from data... Is WRONG to determine what data must be included in one operational in! That above POSTED MCQ is WRONG table is synonymous with: a, 26 of relationship between a and... Does n't change after it is stored iv used to run the Business in real time is... Just doing MCQs on following URLs in Microprocessor please COMMENT below with CORRECT ANSWER its. Few records are processed by applications Ans: B and indirect benefits organizations... Studies Chapter 4 Business Services Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free....: T or F. False daily or weekly basis a new data warehouse Overview ( Photo credit: ). You THINK that above POSTED MCQ is WRONG with easy and logical explanations for various competitive and test...: a source of change data from a detailed level to a summary level B got regarding data objective! About someone we have provided Business Services with Answers are very important for technical and... Platform and simplify the assessment cycle C. contains numerous naming conventions and D.. Studies Chapter 4 Business Services with Answers to help students understand the concept very well of! An essential process where intelligent methods are applied to extract data patterns ________ specified! Your ANSWER Click Option Button page: 1/2 highly scalable and powerful Online exam system to manage,...