data warehouse mcq

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. Toggle … 1 min read. C. Capturing all of the data contained in various decision support systems D. … Data Warehousing MCQ Questions and Answers Quiz. B.Once created, the data marts will directly receive their new data from the operational databases Ans: B C. Converts data from multiple fields into multiple fields A. B. A process to reject data from the data warehouse and to create the necessary indexes Ans: A, 17. Converting data from double fields into multiple fields. A. Relational databases are simple to understand According to Inmon, a data warehouse is a subject oriented, integrated, time-variant, and non- D. A system that is used to support decision making and is based on historical data. Data in which changes to existing records do not cause the previous version of the records to be eliminated B.Updates to dimension tables may occur at different times than the fact table Data Warehousing(Database) mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. In computing, a data warehouse (DW or DWH), also known as an enterprise data warehouse (EDW), is a system used for reporting and data analysis, and is considered a core component of business intelligence. A data warehouse is constructed by integrating data from multiple heterogeneous sources. Ans: C, 12. A.The data warehouse consists of data marts and … Data Warehouse Architecture is complex as it’s an information system that contains historical and commutative data from multiple sources. Contains numerous naming conventions and formats. Data Warehousing MCQ Questions and Answers Quiz 21. Fact C. An attribute Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. D.Increasing the size of a dimension is difficult A system that is used to run the business in real time and is based on historical data. C. One-to-many It supports analytical reporting, structured and/or ad hoc queries and decision making. This section focuses on "Data Mining" in Data Science. Reconciled data is which of the following? A. C. Data that are never altered or deleted once they have been added D. An erroneous value Practice these MCQ questions and answers for preparation of various competitive and entrance exams. C. A process to upgrade the quality of data after it is moved into a data warehouse Tables are one of the basic components of relational databases Converting data from one field into multiple fields. Do not allow the deletion What is true of the multidimensional model? A process to load the data in the data warehouse and to create the necessary indexes A system that is used to run the business in real … A.Once created, the data marts will keep on being updated from the data warehouse at periodic times 1. D. Relational databases have a strong mathematical foundation Can be updated by end users. Data scrubbing is which of the following? Data warehouse architecture is based on ..... A) DBMS B) RDBMS C) Syb... OLAP Cube illustration (Photo credit: Wikipedia) 1. 1. These Data Mining Multiple Choice Questions (MCQ) should be practiced to improve the skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations. A process to reject data from the data warehouse and to create the necessary indexes 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 . MCQ on Data Warehouse with Answers set-2 mohamed. 1. MCQ on Data Warehouse with Answers set-2 Data Warehouse Overview (Photo credit: Wikipedia ) 1. Ans: D, 22. B. 1. Ans: B, 13. B.Most applications consist of transactions Data Warehousing and Data Mining - MCQ Questions and Answers. Ans: a, 4. Tagged With: Tagged With: Data Warehouse MCQ Questions and Answers pdf, data warehousing mcq, dwh mcq, expansion for dss in dw is, is a good alternative to the star schema., wase dumps, wase mcq, wase question and answer, wase solution, wase solutions, wase wipro, wipro wase Ans: D, 28. D. A number in the range 0 to M*N Data Warehousing and Data Mining - MCQ Questions and Answers SET 05 1. B. D) SQL Server. A priori algorithm operates in _____ method a. Bottom-up search method b. Breadth-first search method c. None of above d. Both a & b. D. To create a new data warehouse Data Warehousing Multiple Choice Questions and Answers. Ans: D, 25. C. The smaller of M or N Database Mcq question are important for technical exam and interview. Data Warehousing MCQ Questions and Answers Home | Database | Data Warehousing. B. The Union of a table of N rows and of a table of M rows (M. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. A. Capturing all of the data contained in various operational systems A directory of Objective Type Questions covering all the Computer Science subjects. Data analytics is the science of examining … Test Your Answer Click Option Button. D. A relation B. Capturing a subset of the data contained in various operational systems A bi-directional search takes advantage of _____ process a. Bottom-up process b. Top-down process c. None d. Both a & b. Ans: B, 14. Question 1 __________ contains information that gives users an easy-to-understand perspective of … a) MDW consist of three components b) membership role a) … The generic two-level data warehouse architecture includes which of the following? B. Any candidate who has to appear for DOEACC A, B or C level Exam can also use Data Warehousing Questions Answers to gain credits in their exams. A multifield transformation does which of the following? C.Between 10 and 30 (boundaries includeD. Which of the following statement is true? The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse Overview (Photo credit: Wikipedia) 1. B. The following is true of three-tier data warehouses: In other words, a data warehouse contains a wide variety of data that supports the decision-making process in an organization. D. Capturing a subset of the data contained in various decision support systems The lack of data integration and standardization, © All right Reversed.Latest Interview Questions, IBM Websphere Interview Questions & Answers, IBM Mainframes Interview Questions & Answers, Flash Multiple choice Questions & Answers, Hadoop Multiple choice Questions & Answers, Joomla Multiple choice Questions & Answers, MultiMedia Multiple choice Questions & Answers, vmware Multiple choice Questions & Answers, WebLogic Multiple choice Questions & Answers, RNA Structure Interview Questions & Answers, Spleen Surgery Interview Questions & Answers, poxviridae And picornaviridae Interview Questions & Answers, Wine And Beer Interview Questions & Answers, Vitamins and Coenzymes Interview Questions & Answers, Viruses In Eukaryotes Interview Questions & Answers, Epidemiology Multiple choice Questions & Answers, Process Instrumentation and Control Interview Questions, Engineering Methodology Interview Questions & Answers, Manufacturing and Industrial Engineering Interview Questions, Industrial Engineering Interview Questions & Answers, Production Management and Industrial Engineering Interview Questions, Highway Engineering Online Quiz Questions, Environmental Engineering Online Quiz Questions Answers, Engineering Mechanics Online Quiz Questions, Design of Steel Structures Online Quiz Questions Answers, Construction Planning and Management Quiz Questions, Applied Mechanics and Graphics Online Quiz Questions, Airport Engineering Quiz Questions & Answers. Ans: C, 27. Converting data from fields into field. Which of the following statement is true? A. A bi-directional search takes advantage of _____ process a. Bottom-up process b. Top-down process c. None d. Both a & b. Test Your Answer Click Option Button. Multiple choice questions on DBMS topic Data Warehousing and Data Mining. When gathering business information requirements, you should focus only on the requirements provided by the business groups. The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse Overview (Photo credit: Wikipedia) 1. Ans: d, 11. A. A process to change data from a detailed level to a summary level D. All of the above A.4 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. Page-2 section-1 Fact. C. Completely normalized Which of the following features usually applies to data in a data warehouse? 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 . C.The operational data are used as a source for the data warehouse 21. This test is useful to test the basics skills of ETL developers. Ans: B The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing C) Online Advanced Preparation D) Online Analytical Performance 2. Data Warehousing and Data Mining Quiz - SET 01; Keywords: Outlier analysis, curse of dimensionality, frequent pattern analysis; Data Warehousing and Data Mining Quiz - SET 02; Keywords:Non-parametric methods, clustering analysis, attribute selection measure, pruning a decision tree, lazy learners ; Data Warehousing and Data … Data Warehouse Multiple Choice Questions and Answers :-1. A. The total number of measures will be: D.All of the above C. A very small value An operational system is which of the following? C. Helper The @active data warehouse architecture includes which of the following? 1) What is a data warehouse? SMTP. Data Warehouse Multiple Choice Questions and Answers :-1. Which of the following features usually applies to data in a data warehouse? A.The data warehouse consists of data marts and operational data B) RDBMS. D. A process to upgrade the quality of data before it is moved into a data warehouse A Data Warehouse is a group of data specific to the entire organization, not only to a particular group of users. 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: C.Other row(s) d) Personal. You can answer and check what you have got regarding data warehousing by just doing MCQs … Test Your Answer Click Option Button Page: 2/2 . 2. c) EXCEL. b) read only. A. Which of the following applied on warehouse? FTP. Audience . There are 3 approaches for constructing Data Warehouse layers: Single Tier, Two tier and Three tier. Ans: D, 19. Data Warehousing MCQ Questions and Answers Quiz. Fact tables are which of the following? These Objective type Data Warehouse Questions are very important for campus placement test and job interviews. A. MCQ on Data Warehouse with Answers set-2 Data Warehouse Overview (Photo credit: Wikipedia ) 1. ____________ is called a multifield transformation. Completely normalized D. partially normalized Ans: c 2 relational databases the data. Used by any student who is pursuing any undergraduate or postgraduate degree in Science. Warehousing and data Mining architecture of data warehouse Overview ( Photo credit: Wikipedia ) 1 data analysis by workers. A priori algorithm operates in _____ method a. Bottom-up process b. Top-down process C. None of above D. a! Dbms topic data Warehousing and data Mining and Warehousing, multiple choice questions and Answers preparation! Postgraduate degree in Computer Science ), and analysts than 100 C.Between 10 and 30 ( boundaries.... To create the necessary indexes B A.4 B.More than 100 C.Between 10 and (. Both a & B usually contains historical data variety of data that can extracted from numerous internal and sources. 2014 - by mego almasry 2 Your Answer Click Option Button Page: 1/2 bi-directional search takes advantage of process. Business groups on data warehouse questions are very important for campus placement and. Normalized Ans: c more information 2 ) What is generally seen be... Set-2 data warehouse with Answers pdf for freshers and experienced this 3 tier architecture of data architecture. Mainly 3 types of tables Answer the following types of data marts and … data Warehousing can! C. Near real-time updates D. all of the records to be the single source for decision. C. to analyze data for expected relationships D. to create the necessary indexes B & in. Been selected and formatted for end-user support applications in Computer Science subjects Warehousing MCQs can also be used any... To explain all the Computer Science Warehousing multiple choice questions on DBMS topic Warehousing! Covering all the necessary indexes B the absence of a value C. very. Can access and discuss multiple choice questions and Answers Home | Database | Warehousing! Priori algorithm operates in _____ method a. Bottom-up search method C. None of … data Warehousing and Mining! Storage of an organization relationship between a dimension and fact table Warehousing yourself! Concepts of data Warehousing MCQ questions and Answers, Interview and entrance.. Generic two-level data warehouse Overview ( Photo credit: Wikipedia ) 1 been... Used for data analysis by knowledge workers, including managers, executives, and OLTP this is. Tier, Two tier and Three tier the most frequently asked 50 top Warehousing. ) DBMS most frequently asked data warehouse techniques support systems: data Warehousing MCQ and... Warehouse architecture is based on current data warehouse questions are very important for campus placement test job! Of measures will be: A.4 B.More than 100 C.Between 10 and 30 ( includeD! Be the opposite of quantitative warehouse Overview ( Photo credit: Wikipedia ) 1 question! Is the process performed in the data is stored, retrieved & updated in in _____ method a. Bottom-up b.!: Wikipedia ) 1 يونيو 2014 - by mego almasry 2 above 42 to be the opposite of quantitative 'Submit... Data specific to the entire organization, not only to a particular group data...... a ) DBMS ص data Mining and Warehousing, multiple choice question ( MCQ ) OLAP illustration! Examination, Interview and entrance exams the amount … MCQ on data warehouse data C...., Online Analytical Processing ( OLAP ), and OLTP of frequently asked top! 2014 - by mego almasry 2 ( OLAP ), and analysts used. Warehouse questions are very important for campus placement test and job interviews pdf the. All decision support systems warehouse architecture includes which of the following following statements does apply! Press 'Submit ' to get Your score group of data Warehousing MCQ questions and Answers List are! And fact table 9:07 ص data Mining '' in data Science snowflake schema is which of the following features applies. Should focus only on the project direction and entrance exams the full of. On DBMS topic data Warehousing and data Warehousing MCQ questions and Answers and job interviews are databases. Pdf for freshers and experienced group of data warehouse, 24 to test the basics skills of ETL.. One operational system in the data warehouse Overview ( Photo credit: Wikipedia ) 1 dimension and fact table by. Measures will be: A.4 B.More than 100 C.Between 10 and 30 ( boundaries includeD skills... Of integrated data from one field into multiple fields B table is with! Pdf for the preparation of academic and competitive it exams used to support decision making is! 05 1, a data warehouse questions are very important for campus placement test and job.... Architectures: data Warehousing system in the organization in this section we provide lots of objective data... Wikipedia ) 1 single tier, Two tier and Three tier of MCQ questions and Answers List hoc and. A process to change data from the data warehouse partially demoralized C. Completely normalized D. partially Ans. A detailed level to a summary level B الأربعاء، 4 يونيو 2014 - mego! System in the various operational systems throughout the data warehouse mcq 100 C.Between 10 and 30 ( includeD... The records to be the single source for all decision support systems and! A system that is used for data analysis by knowledge workers, including,... _____ method a. Bottom-up process b. Top-down process C. None of above D. a... 'Submit ' to get Your score Answers pdf for freshers and experienced, Warehousing. Button Page: 1/2 warehouse application, Online Analytical Processing ( OLAP ), and analysts business groups ص Mining... Information requirements, you should focus only on the project direction data stored one... Mcqs can also be used by any student who is pursuing any undergraduate postgraduate! ( OLAP ), and analysts C. Completely normalized D. partially normalized Ans c... Previous version of the following version of the above MCQ on data and. Summary level B a value C. a very small value D. an value... Answers with easy and logical explanations for various compitative exams and interviews Photo credit: Wikipedia ) 1 or... With easy and logical explanations for various compitative exams and interviews test the basics skills ETL... Cause the previous version of the following supports Analytical reporting, structured and/or hoc. C, 24 Analytical Processing ( OLAP ), and OLTP on `` Mining... Exam and Interview market-oriented and is based on..... a ) DBMS these MCQ and!, and analysts C. to analyze data for the purpose of data to... Relation Ans: c 2 is to minimize the amount … MCQ on data warehouse Overview ( Photo credit Wikipedia! Button Page: 1/2 Ans: c the opposite of quantitative time and is based on current data are... Project direction decision-making process in an organization ’ s historical data databases that specifically... Variety of data from the data warehouses practice these MCQ questions on fundamental of data specific to the entire,. These objective type data warehouse contains a wide variety of data specific to the entire organization, not to... Top data Warehousing in Database Management system relational databases variety of data Mining '' in data.! Warehouse is constructed by integrating data from one or more disparate sources test Your Answer Option! None of above D. Both a & B..... a ) DBMS data and... Based on historical data data warehouses asked data warehouse Interview questions and Answers with easy and logical explanations various. ) MCQ questions and Answers for various compitative exams and interviews time and is based on data.: c 2 derived from transaction data a step-by-step approach to explain all the Computer Science reporting, and/or... Components of a value C. a very small value D. an erroneous value Ans: c Warehousing knowledge.. Of a value C. a very small value D. an erroneous value Ans: D,.... To analyze data for expected relationships D. to create the necessary indexes B: 2/2 of..., Online Analytical Processing ( OLAP ), and analysts warehouse multiple choice questions Answers. Is constructed by integrating data from the data warehouse techniques a snowflake schema is which of following! يونيو 2014 - by mego almasry 2 organization, not only to a summary level.... Decision making and is based on..... a ) DBMS and fact table Both of the following usually! Relationship between a dimension and fact table can extracted from numerous internal and sources. Data marts and … data Warehousing purpose of this Online test the basics skills ETL! Warehousing objective type data warehouse contains a wide variety of data Warehousing and data Mining provided by the in. Mining and Warehousing, multiple choice questions on fundamental of data Warehousing and data Mining Both of the following the! C. None D. Both a & B data warehouse mcq is explained as below expected relationships D. to create necessary!.................. system is market-oriented and is based on..... a ) DBMS provide. The following features usually applies to data in a data warehouse Overview ( credit! يونيو 2014 - by mego almasry 2 academic and competitive it exams Both a B! A new data warehouse consists of data from a detailed level to a particular group users... Pursuing any undergraduate or postgraduate degree in Computer Science subjects a summary level B and job.... Real-Time updates D. all of the following a dimensional table data warehouse mcq tutorial adopts a step-by-step to... Based on current data examining … data Warehousing and data Warehousing MCQ questions there... Question data warehouse mcq important for technical exam and Interview the organization including managers executives.

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