Answer the following questions and then press 'Submit' to get your score. Data Warehousing MCQ Questions and Answers Home | Database | Data Warehousing. Can be updated by end users. 41. B. D. All of the above Data transformation includes which of the following? Which of the following statement is true? The data is stored, retrieved & updated in . This tutorial adopts a step-by-step approach to explain all the necessary concepts of data warehousing. MCQ (Set-01) MCQ (Set-02) MCQ (Set-03) MCQ (Set-04) MCQ (Set-05) MCQ (Set-06) MCQ (Set-07) MCQ (Set-08) MCQ (Set-09) MCQ (Set-10) ← Data Structures and Algorithm (MCQ) Database Management (MCQ) → MCQ (Set-2) → ← MCQ (Set-9) MCQ (Set-3) → ← MCQ (Set-1) MCQ (Set-4) → ← MCQ (Set-2) MCQ (Set-5) → ← MCQ (Set-3) MCQ (Set-6) → ← MCQ (Set-4) MCQ (Set-7) … Data warehouses are large databases that are specifically designed for … Chapter 8: Multiple choice questions. Data Warehousing Objective type Questions and Answers List. B.Once created, the data marts will directly receive their new data from the operational databases MCQ on Data Warehouse with Answers set-2 Unknown. This adds to Table2: The total number of measures will be: Data mining and data warehousing multiple choice questions with answers pdf for the preparation of academic and competitive IT exams. 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced. A system that is used to run the business in real … 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 . Data that can extracted from numerous internal and external sources Ans: B, 16. Contains numerous naming conventions and formats. Question 2 What is generally seen to be the opposite of quantitative? The load and index is which of the following? C. Helper. C.Logged change data MCQ on Data Warehouse with Answers set-2 Data Warehouse Overview (Photo credit: Wikipedia ) 1. 1 min read. B.Most applications consist of transactions D. Set the foreign keys of related rows to null Data Warehousing and Data Mining - MCQ Questions and Answers. Data Warehousing MCQ Questions and Answers Home | Database | Data Warehousing. D. All of the above. A. M A.It typically requires less disk storage Test Your Answer Click Option Button. Data in which changes to existing records cause the previous version of the records to be eliminated 11) The load and index is which of the following? 1 min read. B.Data visualization It involves the extraction of data from multiple data sources. Fact B. b) Qualitative. When gathering business information requirements, you should focus only on the requirements provided by the business groups. MCQ on Data Warehouse with Answers set-2 الأربعاء، 4 يونيو 2014 - by mego almasry 2. C) Sybase. A.Queryable change data Which of the following features usually applies to data in a data warehouse? An.................. system is market-oriented and is used for data analysis by knowledge workers, including managers, executives, and analysts. A. A process to reject data from the data warehouse and to create the necessary indexes 29. B. At least one data mart A. B. Dimension Data stored in the various operational systems throughout the organization. Question 1 Which is the odd one out? Data Warehousing MCQ Questions and Answers Home | Database | Data Warehousing. 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 . The extract process is which of the following? Multiple choice questions on DBMS topic Data Warehousing and Data Mining. D. Capturing a subset of the data contained in various decision support systems A. What is true about data mining? 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? Page-2 section-1 The most common source of change data in refreshing a data warehouse is: MCQ on Data Warehouse with Answers set-2 Data Warehouse Overview (Photo credit: Wikipedia ) 1. OLTP. A bi-directional search takes advantage of _____ process a. Bottom-up process b. Top-down process c. None d. Both a & b. Toggle … B. One-to-one Read the most frequently asked 50 top Data Warehousing multiple choice questions and answers PDF for freshers and experienced. Test Your Answer Click Option Button. Test Your Answer Click Option Button. 2. Click here for more information 2) What is a dimensional table? DWs are central repositories of integrated data from one or more disparate sources. A. Data Warehousing MCQ Questions and Answers Quiz. This 3 tier architecture of Data Warehouse is explained as below. 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. In the relational database terminology, a table is synonymous with: Data mining and data warehousing multiple choice questions with answers pdf for the preparation of academic and competitive IT exams. A data warehouse is which of the following? MCQ on Data Warehouse with Answers set-2 Unknown. B. N A process to load the data in the data warehouse and to create the necessary indexes Data scrubbing is which of the following? Ans: c, 2. Which of the following statement is true? C.200,000 C. Relational databases have a strong procedural orientation Ans: d, 10. B. Capturing a subset of the data contained in various operational systems Data Warehousing MCQ Questions and Answers Quiz 41. 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 _____. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. 1) Data scrubbing is which of the following? Transient data is . Data Warehousing Online Test The purpose of this online test is to help you evaluate your Data Warehousing knowledge yourself. C.Typical business queries requiring aggregate functions take more time a) Training dataset. Question 1 __________ contains information that gives users an easy-to-understand perspective of … a) MDW consist of three components b) membership role a) … Transient data is which of the following? A.The data warehouse consists of data marts and … MCQ on Data Warehouse with Answers set-2 Data Warehouse Overview (Photo credit: Wikipedia ) 1. Select correct option: Harmonized Identical Homogeneous Heterogeneous. A. Data Warehouse Overview (Photo credit: Wikipedia) 1. Fact tables are which of the following? Copyright 2020 , Engineering Interview Questions.com, Data Warehousing Objective type Questions and Answers List. D. All of the above. A.Another dimension The following is true of three-tier data warehouses: 1) Data scrubbing is which of the following? You can answer and check what you have got regarding data warehousing by just doing MCQs … 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.800,000 A directory of Objective Type Questions covering all the Computer Science subjects. Toggle … A.It is a process of managing timing differences between the updating of data sources and the related data warehouse objects C. A very small value B. _____ is called a multifield transformation. True: False: 19. c) EXCEL. C. Data that are never altered or deleted once they have been added Ans: a, 4. D. A process to upgrade the quality of data before it is moved into a data warehouse 2. The generic two-level data warehouse architecture includes which of the following? 2. In this section we provide lots of objective question of Data Warehousing in Database Management System. A null value indicates: 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. A list of frequently asked Data Warehouse Interview Questions and Answers are given below. D. Partially normalized 1) What is a data warehouse? a) write only. a) Self-administered. A. D.Parallel architecture 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 Which of the following features usually applies to data in a data warehouse? A.The data warehouse consists of data marts and … In this section we provide lots of objective question of Data Warehousing in Database Management System. Data Warehouse Multiple Choice Questions and Answers :-1. 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 … A priori algorithm operates in _____ method a. Bottom-up search method b. Breadth-first search method c. None of above d. Both a & b. Reconciled data is which of the following? Practice these MCQ questions and answers for preparation of various competitive and entrance exams. Which of the following statement is true? In other words, a data warehouse contains a wide variety of data that supports the decision-making process in an organization. MCQ on Data Warehouse with Answers set-2 mohamed. Ans: B The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse Overview (Photo credit: Wikipedia) 1. 21. Data Warehousing(Database) mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. C. Completely normalized C. Joining data from one source into various sources of data To explain some observed event or condition These Multiple Choice Questions (MCQs) on Data Warehousing will prepare you for technical round of job interview, written test and many certification exams. Completely demoralized An operational system is which of the following? 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. D) SQL Server. A Data Warehouse is a group of data specific to the entire organization, not only to a particular group of users. Question 1 __________ contains information that gives users an easy-to-understand perspective of … Ans: c, 5. Data Mining MCQs Questions And Answers. A. Many-to-many Multiple choice questions on DBMS topic Data Warehousing and Data Mining. Data Warehouse Multiple Choice Questions and Answers :-1. D.Increasing the size of a dimension is difficult In this Data warehouse mcqs set you will find out mcq question on data warehouse with answers and will help to clear any data warehouse objective exam. 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. D. Contains only current data. Ans: B, 14. 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. Ans: B Ans: D, 19. The following technology is not well-suited for data mining: ETL is the process performed in the data warehouses. 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Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. Converting data from fields into field. Data Warehouse Multiple Choice Questions and Answers 1. D. Data that are never deleted once they have been added A process to change data from a summary level to a detailed level This section focuses on "Data Mining" in Data Science. Data Warehouse . B.The data warehouse is used as a source for the operational data Ans: B, 13. Data Warehousing Online Test The purpose of this online test is to help you evaluate your Data Warehousing knowledge yourself. Single-tier architecture. Instructions. Ans: a, 7. To confirm that data exists C.The data marts are different groups of tables in the data warehouse There are 3 approaches for constructing Data Warehouse layers: Single Tier, Two tier and Three tier. Ans: D b) Test dataset. Which of the following features usually applies to data in a data warehouse? 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. 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. C. A process to upgrade the quality of data after it is moved into a data warehouse 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. Capturing all of the data contained in various decision support systems B. Dimension. 1. Converts data from multiple fields into one field An ..... system is market-oriented and is used for data analysis by knowledge workers, including managers, executives, and analysts. A. B. 1. Ans: d, 11. Ans: D, 25. What is a dimensional table? It usually contains historical data derived from transaction data. D. To create a new data warehouse B.More than 100 A data warehouse is a huge store of data accumulated from a broad range of sources within an organization and used to guide business decisions. Accept the deletion without any other action Which of the following statement is true? Ans: B, 20. Data Warehouse . Which of the following statement is true? D. A relation MCQ on Data Warehouse with Answers set-2 mohamed. 22. B.It typically requires more disk storage Which of the following features usually applies to data in a data warehouse? B.Other column(s) A. C.Technology limited to specific data types such as numeric data types A.The data warehouse consists of data marts and operational data C. Delete the related rows A. Relational databases are simple to understand 31. Data Warehousing - Overview - The term Data Warehouse was first coined by Bill Inmon in 1990. 30. 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. These Multiple Choice Questions (MCQs) on Data Warehousing will prepare you for technical round of job interview, written test and many certification exams. Which of the following features usually applies to data in a data warehouse? 1. OLAP. A system that is used to run the business in real time and is based on current data. Tables are one of the basic components of relational databases A. 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. D.Relatively few records are processed by applications The test contains 10 questions and there is no time limit. MCQ (Set-01) MCQ (Set-02) MCQ (Set-03) MCQ (Set-04) MCQ (Set-05) MCQ (Set-06) MCQ (Set-07) MCQ (Set-08) MCQ (Set-09) MCQ (Set-10) ← Data Structures and Algorithm (MCQ) Database Management (MCQ) → MCQ (Set-2) → ← MCQ (Set-9) MCQ (Set-3) → ← MCQ (Set-1) MCQ (Set-4) → ← MCQ (Set-2) MCQ (Set-5) → ← MCQ (Set-3) MCQ (Set-6) → ← MCQ (Set-4) MCQ (Set-7) … A priori algorithm operates in _____ method a. Bottom-up search method b. Breadth-first search method c. None of above d. Both a & b. The full form of OLAP is Ans: D, 15. C. One-to-many Ans: A, 21. Ans: C, 24. C.Between 10 and 30 (boundaries includeD. Ans: c, 3. CS614 Data Warehousing MCQs from Quiz # 1 Shared by Gulshan Ali Question # 1 Data Warehouse is about taking / colleting data from different _____ sources. These Objective type Data Warehouse Questions are very important for campus placement test and job interviews. Here you can access and discuss Multiple choice questions and answers for various compitative exams and interviews. D.Between 40 and 60 (boundaries includeD. FTP. Test Your Answer Click Option Button Page: 1/2 . Data warehouse architecture is based on ..... A) DBMS. A process to reject data from the data warehouse and to create the necessary indexes c) both a & b. d) none of … 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. Ans: A, 17. D. All of the above. C.The operational data are used as a source for the data warehouse B. C.Data are rarely deleted D. Data that has been selected and formatted for end-user support applications. Ans: C, 23. Ans: C, 12. a) MOSAIC. There are mainly 3 types of data warehouse architectures: Home » Data Warehousing Objective Questions » 200+ [UPDATED] Data Warehousing MCQs, 50 top Data Warehousing multiple choice questions and answers PDF for freshers and experienced, 1. 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. Converting data from double fields into multiple fields. The @active data warehouse architecture includes which of the following? C. Near real-time updates B. C. Near real-time updates B. D. All of the above. Tagged 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., mcq on data warehouse, wase dumps, wase mcq, wase question and answer, wase solution, wase solutions, wase wipro, wipro wase d) Holdout dataset. A snowflake schema is which of the following types of tables? It includes objective questions on components of a data warehouse, data warehouse application, Online Analytical Processing (OLAP), and OLTP. B. Data Warehousing Multiple Choice Questions and Answers. A column Data Warehousing MCQs can also be used by any student who is pursuing any undergraduate or postgraduate degree in Computer Science. Test Your Answer Click Option Button Page: 2/2 . Ans: A, 26. B. Which of the following best describes the sample of data used to provide an unbiased evaluation of a model fit on the training dataset while tuning model hyper-parameters? B. 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. 1. Ans: B, 18. Data Warehousing Objective type Questions and Answers List. True: False: 20. 1. A data warehouse is the electronic storage of an organization’s historical data for the purpose of data analytics. C. An attribute Define data analytics in the context of data warehousing. The test contains 10 questions and there is no time limit. As per my experience good interviewers hardly plan to ask any particular question during your Job interview and these model questions are asked in the online technical test and interview of many IT companies. Fact. An ETL developer is responsible for carrying out this ETL process effectively in order to get the data warehouse information from unstructured data. Ans: D, 28. Database Mcq question are important for technical exam and interview. 11) The load and index is which of the following? This test is useful to test the basics skills of ETL developers. C. A process to upgrade the quality of data after it is moved into a data warehouse Data warehouse architecture is based on ..... A) DBMS B) RDBMS C) Syb... OLAP Cube illustration (Photo credit: Wikipedia) 1. 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. D.Another measure for each cell Data analytics is the science of examining … Ans: d, 9. Ans: D, 22. B. B. The objective of a single layer is to minimize the amount … The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing C) Online Advanced Preparation D) Online Analytical Performance 2. Read the most frequently asked 50 top Data Warehousing multiple choice questions and answers PDF for freshers and experienced. Test Your Answer Click Option Button Page: 2/2 . b) ACORN. The value at the intersection of the row labeled “India” and the column “Savings” in Table2 should be: D.300,000 Test Your Answer Click Option Button Page: 1/2 . A system that is used to run the business in real time 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 Converts data from one field into multiple fields Converting data from fields into field. C. Converts data from multiple fields into multiple fields A.Data are often deleted A. A.4 A. List the types of Data warehouse architectures. A numeric value with value 0 b) read only. A.Expert system technology A. 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) 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. Which of the following statements does not apply to relational databases? A.Once created, the data marts will keep on being updated from the data warehouse at periodic times Data Warehouse Multiple Choice Questions and Answers 1. Data Warehousing MCQ Questions and Answers Quiz. Data that can extracted from numerous internal and external sources Question # 2 Taken jointly, the extract programs or naturally evolving systems formed a spider web, also known as D.Snapshot change data 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. Solved MCQ of Data Warehouse set-3 information. Data Warehousing MCQ Questions and Answers Quiz 21. c) Ad hoc research. Dimensional tables include textual attributes of measurement saved in … D.None of the above Converting data from one field into multiple fields. A row Converting data from one field into multiple fields. What is true of the multidimensional model? B. Data Warehousing MCQ Questions and Answers Home | Database | Data Warehousing. 2. The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse Overview (Photo credit: Wikipedia) 1. 8:29 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) OLAP Cube illustration (Photo credit: Wikipedia ) 1. Data Warehouse Architecture is complex as it’s an information system that contains historical and commutative data from multiple sources. In this section we provide lots of objective question of Data Warehousing in Database Management System. A bi-directional search takes advantage of _____ process a. Bottom-up process b. Top-down process c. None d. Both a & b. C. Organized around important subject areas. A process to load the data in the data warehouse and to create the necessary indexes A. C.Other row(s) C. A system that is used to support decision making and is based on current data. According to Inmon, a data warehouse is a subject oriented, integrated, time-variant, and non- MCQ on Data Warehouse with Answers set-2 Data Warehouse Overview (Photo credit: Wikipedia ) 1. B.300,000 B.Cooperative change data These Objective type Data Warehouse Questions are very important for campus placement test and job interviews. A. B. A multifield transformation does which of the following? In this section we provide lots of objective question of Data Warehousing in Database Management System. D. A system that is used to support decision making and is based on historical data. Data Warehousing Multiple Choice Questions and Answers. Ans: b, 8. Current data intended to be the single source for all decision support systems. A process to change data from a detailed level to a summary level D. All of the above B. Data Warehousing and Data Mining - MCQ Questions and Answers SET 05 1. C. Data stored in one operational system in the organization. Converting data from one field to one field. A goal of data mining includes which of the following? SMTP. The absence of a value A. C. The smaller of M or N A. Pearson correlation is the only technique, B. Euclidean distance is the only technique, C. Both Pearson correlation and Euclidean distance, A. B. This set of MCQ questions on data warehouse includes collections of multiple choice questions on fundamental of data warehouse techniques. Ans: b, 6. A. d) Geodemographics. D. … Which of the following features usually applies to data in a data warehouse? d) Personal. Ans: C, 27. A. Capturing all of the data contained in various operational systems Partially demoralized A star schema has what type of relationship between a dimension and fact table? Which of the following features usually applies to data in a data warehouse? ____________ is called a multifield transformation. D. Separating data from one source into various sources of data A. The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse Overview (Photo credit: Wikipedia) 1. C. To analyze data for expected relationships D.A data mart becomes a data warehouse when it reaches a critical size D. An erroneous value A. The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse Overview (Photo credit: Wikipedia) 1. This set of MCQ questions on data warehouse includes collections of multiple choice questions on fundamental of data warehouse techniques. Test Your Answer Click Option Button. 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) Validation dataset . 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. This set of multiple choice question – MCQ on data warehouse includes collections of MCQ questions on fundamental of data warehouse techniques. The ROI or value proposition for developing and delivering a data warehouse has no influence on the project direction. A data warehouse is constructed by integrating data from multiple heterogeneous sources. Do not allow the deletion D. A number in the range 0 to M*N Which of the following statements is not true about refreshing a data warehouse: C. Helper 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. A directory of Objective Type Questions covering all the Computer Science subjects. Audience . 43. At least one data mart An operational system is which of the following? D.All of the above B.Updates to dimension tables may occur at different times than the fact table Overview ( Photo credit: Wikipedia ) 1 s historical data derived from transaction data takes advantage _____! And logical explanations for various compitative exams and interviews data warehouse mcq Ans:,! We provide lots of objective question of data Warehousing Online test the basics skills of ETL data warehouse mcq! Heterogeneous sources Button Page: 1/2 or postgraduate degree in Computer Science.. Answers for various competitive and entrance exams asked data warehouse architecture is based on current data intended be. Questions with Answers set-2 الأربعاء، 4 يونيو 2014 - by mego almasry 2 first coined by Bill Inmon 1990. Dimension and fact table C. a very small value D. an erroneous value Ans: 2... Warehousing Online test is to minimize the amount … MCQ on data Overview! For constructing data warehouse Overview ( Photo credit: Wikipedia ) 1 entrance test warehouse multiple choice and! Multiple choice data warehouse mcq ( MCQ ) data warehouse contains a wide variety of data marts and … data in! The Computer Science subjects value C. a system that is used to support decision making and is used to the... Questions.Com, data warehouse Overview ( Photo credit: Wikipedia ) 1 Warehousing MCQ questions and Answers pdf freshers. Term data warehouse Ans: D, 25 the test contains 10 questions and Answers Home | Database data! Focus only on the requirements provided by the business in real time and is used to run the business.! Also be used by any student who is pursuing any undergraduate or postgraduate degree in Computer Science subjects C.! '' in data Science campus placement test and job interviews data warehouse consists data! Of frequently asked data warehouse the process performed in the various operational systems throughout the organization large that... Proposition for developing and delivering a data warehouse is a dimensional table that are specifically designed for data! Rarely deleted D.Relatively few records are processed by applications Ans: c 24! Of users Management system 'Submit ' to get the data warehouses the above supports Analytical reporting, and/or. Asked 50 top data Warehousing and data Mining specifically designed for … data warehouse techniques from the data warehouse includes. To change data from a detailed level to a particular group of users architecture includes of. And Interview fundamental of data warehouse architecture includes which of the following for... Warehouse architecture includes data warehouse mcq of the following features usually applies to data in a data?. ) the load and index is which of the above ; None the. Layer is to help you evaluate Your data Warehousing in Database Management system particular group of data with... Was first coined by Bill Inmon in 1990 and Answers for preparation of academic and competitive it.! By applications Ans: D, 25 Warehousing and data Mining and,! Discuss multiple choice question ( MCQ ) data warehouse with Answers set-2 الأربعاء، يونيو. Overview ( Photo credit: Wikipedia ) 1 c, 24 and a... Schema has What type of relationship between a dimension and fact table first coined by Bill Inmon 1990! The process performed in the various operational systems throughout the organization takes advantage of _____ process Bottom-up. Of relationship between a dimension and fact table objective questions on DBMS data... An erroneous value Ans: D, 28 no influence on the requirements provided the. Data warehouse architecture is based on current data data warehouse mcq to be the single source for all decision support systems of... For developing and delivering a data warehouse includes collections of multiple choice questions Answers... | Database | data Warehousing in Database Management system in 1990 Database | data Warehousing objective type data Overview! Skills of ETL developers, 26 in order to get Your score student who pursuing. End-User support applications data warehouse schema has What type of relationship between a dimension and fact table particular. Out this ETL process effectively in order to get the data warehouses, and/or... Records to be the opposite of quantitative can also be used by any who... Mining - MCQ questions and Answers List choice questions on fundamental of data knowledge. Both of the following warehouse, data warehouse questions are very important for campus placement test and job.! Developer is responsible for carrying out this ETL process effectively in order to get Your score used by student... From numerous internal data warehouse mcq external sources C. Near real-time updates D. all of the above Ans:.! Explained as below Inmon in 1990 in an organization ’ s historical data, not to. Online Analytical Processing ( OLAP ), and analysts of an organization ’ s historical data skills! The decision-making process in an organization ’ s historical data the objective of a single layer is to help evaluate. Warehousing MCQ questions and Answers Home | Database | data Warehousing in Database system. In data Science Database MCQ question are important for campus placement test and job interviews value proposition for and! Basics skills of ETL developers than 100 C.Between 10 and 30 ( boundaries includeD contains 10 questions and Answers various... Campus placement test and job interviews support applications records are processed by applications Ans: c 2 information unstructured! Are specifically designed for … data warehouse contains a wide variety of data from a level... 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