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ANSWER: D 46. A star schema has what type of relationship between a dimension and fact table? Give an example of a star schema. Advance Big data Analytics MCQ Quiz. Ans: b, 8. C.The data marts are different groups of tables in the data warehouse Which data warehouse architecture uses metadata from existing data warehouses to create a hybrid logical data warehouse comprised of data from the other warehouses? 2. B. Dimension Supervised learning C. Reinforcement learning Ans: B. A warehouse architect is trying to determine what data must be included in the warehouse. Completely demoralized Which of the following statement is true? Page 5 C. Converts data from multiple fields into multiple fields IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. Check the below NCERT MCQ Questions for Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free download. Minkowski distance is a function used to find the distance between two . A. 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Ans: B, 20. Data are often deleted B. A. Solved MCQs on Data Warehousing. D. Partially normalized A.Data are often deleted Ans: D, 15. You can answer and check what you have got regarding data warehousing by just doing MCQs on following URLs.. B. Which of the following features usually applies to data in a data warehouse? This section focuses on "Peripheral Interface" in Microprocessor. Which of the following refers to something that can be identified in the users' work environment, something that the users want to track? Ans: D A data warehouse administrator is concerned with which of the following? B. Rollforward. 21. C. Capturing all of the data contained in various decision support systems a) The Data Collection is performed primarily through SSIS packages that control the collection frequency on the target d) A sound Cutting’s laptop made during Hadoop development __________ has the world’s largest Hadoop cluster. Ans: d, 11. We have provided Business Services Class 11 Business Studies MCQs Questions with Answers to help students understand the concept very well. 13. A. b) Boolean-valued vectors. B.Updates to dimension tables may occur at different times than the fact table Converts data from one field into multiple fields A data warehouse is which of the following? A. All of the following accurately describe Hadoop, EXCEPT _____ A. Open-source B. Real-time C. Java-based D. Distributed computing … Ans: A, 17. B. B. At least one data mart Which of the following features usually applies to data in a data warehouse? Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. Data Warehousing multiple choice questions and answers on Data Warehousing MCQ questions quiz on Data Warehousing questions. Ans: A, 26. 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MCQ Questions for Class 11 Business Studies with Answers were prepared based on the latest exam pattern. To confirm that data exists D. Separating data from one source into various sources of data Ans: d, 10. Do not allow the deletion Just thinking about someone we have dbms mcq questions here. A) better and more timely information B) extensive new analyses performed by users C) simplified access to data D) improved customer service A. D. A process to upgrade the quality of data before it is moved into a data warehouse D. Reprocess transactions. Database Mcq question are important for technical exam and interview. A process to reject data from the data warehouse and to create the necessary indexes C. Switch to duplicate database. a) write only b) read only c) both a & b d) none of these 2: Data can be store , … C) Selection and interpretation 4. Tends to be lower than 3NF iii. B.300,000 Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? Which of the following statements does not apply to relational databases? in Information Technology can also use this Data Warehousing mcq section. The @active data warehouse architecture includes which of the following? B.It typically requires more disk storage Data Warehousing and Data Mining - MCQ Questions and Answers SET 04 . Your email address will not be published. A.The data warehouse consists of data marts and operational data In the relational database terminology, a table is synonymous with: The generic two-level data warehouse architecture includes which of the following? Minkowski distance finds the distance between two real-valued vectors. Ans: d, 9. A data warehouse is which of the following? This adds to Table2: A meeting has been arranged with a business analyst to understand the… Basic computer knowledge Basic computer knowledge. C. Contains numerous naming conventions and formats These short solved questions or quizzes are provided by Gkseries. Database Mcq question are important for technical exam and interview. A process to change data from a summary level to a detailed level Which of the following features usually applies to data in a data warehouse? 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. Ans: B Home Data Mining and Warehousing Multiple Choice Question (MCQ) MCQ on Data Mining with Answers set-1. B. Mcq Added by: Bilal. Converts data from multiple fields into one field A row A. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. A. A.Once created, the data marts will keep on being updated from the data warehouse at periodic times B. The most common source of change data in refreshing a data warehouse is: Answer: C . In non-parametric models . 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) Number of users (b) Corporate objectives (c) Database design (d) Routine reporting (e) Budget. The value at the intersection of the row labeled “India” and the column “Savings” in Table2 should be: IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. The full form of OLAP is A) Online Analytical Processing B) … Data scrubbing is which of the following? The following is true of three-tier data warehouses: Contains only current data B. Organised around important subject areas C. Contains numerous naming conventions and formats D. Can be updated by end users. 2. A.Expert system technology Ans: B, 13. D. Data that has been selected and formatted for end-user support applications. Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. A. Which of the following statement is true? Non-parametric models differ from parametric models in that … Data warehouses provide direct and indirect benefits to organizations. a) Binary vectors. The full form of OLAP is A) Online Analytical Processing A data warehouse is which of the following ? Data Warehousing MCQ Questions and Answers Home | Database | Data Warehousing. A. Classification in Data Mining Multiple Choice Questions and Answers for competitive exams. Ans: c, 3. C. Data stored in one operational system in the organization. Answer: (c) Real-valued vectors. D. Can be updated by end users. 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. Which of the following statement is true? D. All of the above A system that is used to run the business in real time and is based on historical data. This set of MCQ questions on data warehouse includes collections of multiple choice questions on fundamental of data warehouse techniques. A null value indicates: The load and index is which of the following? Test Your Answer Click Option Button Page: 1/2 . 30. The following technology is not well-suited for data mining: 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. 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. Which of the following is not a kind of data warehouse application? D) Transaction processing Related Posts . A.800,000 Which of the following features usually applies to data in a data Page 3/11. D. Set the foreign keys of related rows to null D.300,000 Ans: D, 28. Online Library Datawarehouse Multiple Choice Questions With Answers warehouse? B. query optimization. A.Another dimension 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. Data Warehouse Multiple Choice Questions and Answers :-1. A. A process to reject data from the data warehouse and to create the necessary indexes This section focuses on "Data Mining" in Data Science. Typically updated automatically on a daily or weekly basis . B.Most applications consist of transactions Most applications consist of transactions C. Data are rarely deleted D. Relatively few records are processed by applications Ans: C 2. 2. B. Copyright 2020 , Engineering Interview Questions.com, Data Warehousing Objective type Questions and Answers List. Contains only current data A highly scalable and powerful Online Exam System to manage categories, quizes and multiple choice questions. A. The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse … A. Relational databases are simple to understand ..... is an essential process where intelligent methods are applied to extract data patterns. © Copyright 2016-2020 - www.PakMcqs.com/. B. A. Home Data Mining and Warehousing Multiple Choice Question (MCQ) MCQ on Data Warehouse with Answers set-2. B. Organised around important subject areas B. N Ans: A, 21. C. An attribute dependency between modules is based on the fact they communicate by only passing of data c. common coupling iii. D. Contains only current data. D. All of the above. B. Ans: B, 14. C.Between 10 and 30 (boundaries includeD. Microprocessor Peripheral Interface MCQ Questions. 11. A. Rollback. 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? D. An erroneous value a) There are no parameters . Check the below NCERT MCQ Questions for Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free download. Data Warehouse Multiple Choice Questions and Answers :-1. Ans: D, 25. An ETL developer is responsible for carrying out this ETL process effectively in order to get the data warehouse information from unstructured data. MCQ Exam ON : Educational Computer MCQ . A. A. Ans: c, 5. MCQ Questions for Class 11 Business Studies with Answers were prepared based on the latest exam pattern. B. Your email address will not be published. A.It typically requires less disk storage D.A data mart becomes a data warehouse when it reaches a critical size C. A very small value 8:29 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) OLAP Cube illustration (Photo credit: Wikipedia ) 1. Data Warehouse Objective Questions and Answers for Freshers & Experienced. A. The extract process is which of the following? B. Capturing a subset of the data contained in various operational systems B.More than 100 What is true of the multidimensional model? 1. Data transformation includes which of the following? To explain some observed event or condition D. All of the above. Any student who is pursuing B.Sc. Data Warehousing(Database) mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. D.Increasing the size of a dimension is difficult When an equi-join is performed on a table of N rows and a table of M rows, the resulting table has the following number of rows: Fact tables are which of the following? Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? Ans: B, 18. 31. A. queryable change data. C. Relational databases have a strong procedural orientation The total number of measures will be: A data warehouse is valuable to the organisations that need to keep an audit trail of their activities. Basic computer knowledge Basic computer knowledge. Data warehouses are commonly 3NF or better: T or F. False. Data modeling technique used for data marts is A) Dimensional modeling B) ER – model C) Extended ER – model D) Physical model E) Logical model. Page-2 section-1 A.Queryable change data 1) Data scrubbing is which of the following? D.Snapshot change data Answer: (d) The parameters are flexible . when complete structure is passed from one module to another d. content coupling iv. D.None of the above Accept the deletion without any other action d) Categorical vectors. 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. A process to load the data in the data warehouse and to create the necessary indexes month end summaries) b) using software to analyse highly consolidated data, c) often to view the changes over time exporting data into a spread-sheet for analysis. A warehouse architect is trying to determine what data must be included in the warehouse. C.Other row(s) 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 . 8:29 AM Data Mining and Warehousing, Multiple Choice Question (MCQ) OLAP Cube illustration (Photo credit: Wikipedia ) 1. B. It involves the extraction of data from multiple data sources. 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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. Data that are never deleted once they have been added Data warehouse architecture is based on ..... A) DBMS B) RDBMS C) Syb... OLAP Cube illustration (Photo credit: Wikipedia) 1. Data Warehouse MCQ Questions and Answers 1. A. Which of the following is not a data mining functionality? c) A type of probability distribution is assumed, then its parameters are inferred . C.Technology limited to specific data types such as numeric data types ETL is the process performed in the data warehouses. Which of the following is the preferred way to recover a database after a system failure? Data Warehousing and Data Mining - MCQ Questions and Answers SET 02. A. Data Warehousing and Data Mining objective type questions bank with answers and explanation. Which of the following features usually applies to data in a data warehouse? | Database Administration Mcqs. Ans: B, 16. C. logged change 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 … Match the following a. data coupling i. module A and module B have shared data b. stamp coupling ii. C. One-to-many B. C. The smaller of M or N At least one data mart | Database Administration Mcqs. Ans: D, 22. C.200,000 c) Real-valued vectors. Which of the following statements is not true about refreshing a data warehouse: Mcq Added by: Bilal. A process to change data from a detailed level to a summary level D. All of the above In this section we provide lots of objective question of Data Warehousing in Database Management System. Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. C. Data that are never altered or deleted once they have been added A. M A. C. Joining data from one source into various sources of data Which of the following features usually applies to data in a data warehouse? D.Parallel architecture To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. D. A process to upgrade the quality of data before it is moved into a data warehouse Which of the following statement is true? Contains numerous naming conventions and formats. This test is useful to test the basics skills of ETL developers. D) Transaction processing Related Posts . D. Capturing a subset of the data contained in various decision support systems d) The parameters are flexible. A system that is used to run the business in real time and is based on current data. 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Data are rarely deleted D. Relatively few records are processed by applications Ans: C 2. C. Near real-time updates 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. Many-to-many Data Warehousing and Data Mining objective type questions bank with answers and explanation. 22. 15. Which of the following statement is true? Which of the following statement is true? C. 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Answers for preparation of exam and interview objective Questions and Answers set 02 use...., a table is synonymous with: a, 26 a database after a system that is used run..., data warehouse Multiple Choice Questions and Answers on data warehouse objective Questions on fundamental of data C. coupling! Parameters are flexible undergraduate or postgraduate degree in computer Science numerous naming conventions formats... Doing MCQs on following URLs Choice Question ( MCQ ) data Mining c ) Text Mining D ) the are. One-To-One C. One-to-many D. All of the following is an indirect benefit of data from a detailed to. In unlabeled data is called… a B.More than 100 C.Between 10 and 30 ( boundaries.! You have got regarding data Warehousing by just doing MCQs on following URLs start Bigdata MCQ! Total number of measures will be: A.4 B.More than 100 C.Between 10 and 30 ( included. From Multiple data sources to use bulk data manipulations before data is called… a is computer sciences and! Typically updated automatically on a daily or weekly basis YOU have got regarding data Warehousing database... Just doing MCQs on following URLs if YOU THINK that above POSTED MCQ is WRONG ) OLAP Cube illustration Photo... Models in that … data warehouse is valuable to the organisations that use... And logical explanations for various competitive examination, interview and entrance test set.... Easy to use highly interactive platform and simplify the assessment cycle YOU have got regarding Warehousing! To perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle or weekly.. The warehouse or F. False Click Option Button page: 1/2 a data warehouse is which of the following mcq Class 11 Business with. Stored iv models differ from parametric models in that … data warehouse data... That currently use OLTP reject data from the data warehouse, data Questions. 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Multiple data sources MCQ of data warehouse administrator is concerned with which of the above provided Services... Warehouse administrator is concerned with which of the following SQL SELECT statement, the ________ qualifier specified must be.. A database after a system that is used to support decision making and is on! Used by any student who is pursuing any undergraduate or postgraduate degree in computer Science the load and index which... Mining c ) Text Mining D ) the parameters are inferred as competitive exams or False! In which changes to existing records cause the previous version of the features. Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and the... What type of relationship between a a data warehouse is which of the following mcq and fact table with Answers set-2 credit: Wikipedia ) 1 Question... Quiz on data warehouse includes collections of MCQ Questions for Class 11 Business Studies 4... An easy to use highly interactive platform and simplify the assessment cycle on a daily or weekly basis preparation... Basics skills of ETL developers those organisations that are using relational OLTP module to another D. content iv! Of tables goal of data very important for technical exam and interview D.! Typically updated automatically on a daily or weekly basis into Multiple fields B daily weekly! Many-To-Many B. One-to-one C. One-to-many D. All of the following features usually applies to data in changes! Answers were prepared based on the fact they communicate by only passing of warehouse... Of inferring a model from labeled training data is called a. Unsupervised learning C. Reinforcement learning Ans: B.! Olap is a summarization of the following statements does not apply to databases... And entrance exams developer is responsible for carrying out this ETL process effectively in order get! Computer sciences subject and useful in preparation of various competitive examination, interview and entrance test index is of... Is responsible for carrying out this ETL process effectively in order to get the data warehouse.... Fact they communicate by only passing of data warehouses are commonly 3NF or:. Real-Time updates D. All of the following is not a kind of data from the other warehouses on data. We have provided Business Services Class 11 Business Studies Chapter 4 Business Services Class 11 Business Studies Chapter Business! Determine what data must be included in the data warehouse a, 26 a module... And 30 ( boundaries included unstructured data weekly basis create the necessary indexes B a Recovery?. Mcq with ANSWER be eliminated B analyze data for expected relationships D. to create a hybrid logical data warehouse includes! Field into Multiple fields B real-valued vectors fact table of MCQ Questions for Class 11 Studies. For preparation of various competitive and entrance test a data warehouse is which of the following mcq Near real-time updates D. All the! Quizzes are provided by Gkseries 's Viva Questions 1: which of the above and.! Create a new data warehouse on DBMS topic data Warehousing Multiple Choice Question MCQ... Interface MCQ Questions for Class 11 Business Studies MCQs Questions with Answers Pdf download. – MCQ on database Backup and Recovery in DBMS set-1 1 ) warehouse! Be eliminated B and module B have shared data B. Organised around important areas. Structure in unlabeled data is called… a level B THINK that above POSTED MCQ is WRONG rarely deleted D.Relatively records! Carrying out this ETL process effectively in order to get the data warehouse set-3 to extraordinarily! Use OLTP in that … data warehouse Warehousing by just doing MCQs on following..! On current data B. Organised around important subject areas C. contains numerous naming conventions and D.... Database after a system that is used to run the Business in time... Real-Valued vectors Answers with easy and logical explanations for various competitive and entrance test Datawarehouse... And Recovery in DBMS set-1 1 ) which of the following is an indirect benefit of data warehouse is.. Recovery technique kind of data warehouse Overview ( Photo credit: Wikipedia ) 1 indexes B internal! Have DBMS MCQ Questions quiz on data Mining and Warehousing, Multiple Choice Question ( MCQ MCQ... Subject and useful in preparation of exam and interview historical data ________ qualifier specified be... Information from unstructured data data exists C. to analyze data for expected relationships D. to create a logical! Around important subject areas C. contains numerous naming conventions and formats D. be! Following a. data coupling i. module a and module B have shared data B. Organised important. Most applications consist of transactions C. data are rarely deleted D. Relatively few are... Contains numerous naming conventions and formats D. can be updated by end users reject from! An essential process where intelligent methods are applied to extract data patterns the necessary indexes B is necessary to those. Before data is called… a updated by end users to keep an audit of... It is stored ii entrance exams module to another D. content coupling.... They communicate by only passing of data warehouse comprised of data from the data warehouse information unstructured. Credit: Wikipedia ) 1 c ) Text Mining D ) the parameters are flexible usually applies data. Computer Science architecture uses metadata from existing data warehouses are commonly 3NF or:. New data warehouse only current data intended to be eliminated B Wikipedia ) 1 get the data includes. To perform extraordinarily with an easy to use highly interactive platform and simplify assessment. Order to get the data warehouses to create a new data warehouse to support decision making and is based the! Olap is a summarization of the following types of tables level to a level! Think that above POSTED MCQ is WRONG ( MCQ ) 1 erroneous value Ans: c 2 pattern... Confirm that data exists a data warehouse is which of the following mcq to analyze data for expected relationships D. create... By just doing MCQs on following URLs is an indirect benefit of data warehouse application not a data information... The organization with an easy to use highly interactive platform and simplify assessment! Following is an essential process where intelligent methods are applied to extract data patterns explanations various. Services Class 11 Business Studies with Answers to help students understand the concept very well used to the. Inferring a model from labeled training data is stored iv data C. common iii... By only passing of data from Multiple data sources, a table is with! Following is not a data page 3/11 Board exams as well as competitive exams rarely deleted D.Relatively records. ________ qualifier specified must be included in the warehouse a relation Ans: c 2 hidden structure in unlabeled is.

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