IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. We provide material here for all the candidates who are preparing for the Competitive Exam.Those who have studied computer engineering must be preparing for the competitive exam.We have provided dbms mcq questions and answers thinking about them here. Test Your Answer Click Option Button Page: 1/2 . A.Expert system technology Typically updated automatically on a daily or weekly basis . Basic computer knowledge Basic computer knowledge. A. Ans: D D. Capturing a subset of the data contained in various decision support systems Ans: D, 22. B. Which of the following features usually applies to data in a data warehouse? B. Capturing a subset of the data contained in various operational systems C.Typical business queries requiring aggregate functions take more time Which of the following features usually applies to data in a data warehouse? Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? a) write only b) read only c) both a & b d) none of these 2: Data can be store , … Page-2 section-1 An ETL developer is responsible for carrying out this ETL process effectively in order to get the data warehouse information from unstructured data. Its is computer sciences subject and useful in preparation of exam and interview. Ans: c, 3. B. Organised around important subject areas Most applications consist of transactions C. Data are rarely deleted D. Relatively few records are processed by applications Ans: C 2. A. Many-to-many C. The smaller of M or N 9:07 AM Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND … Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. C. logged change data. A.Once created, the data marts will keep on being updated from the data warehouse at periodic times The full form of OLAP is A) Online Analytical Processing B) Online Advanced Processing... Data Warehouse … A) Data Characterization 5. Contains only current data 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. Data modeling technique used for data marts is A) Dimensional modeling B) ER – model C) Extended ER – model D) Physical model E) Logical model. | Database Administration Mcqs. A.The data warehouse consists of data marts and … A) independent data marts architecture B) centralized data warehouse architecture C) hub-and-spoke data warehouse architecture D) federated architecture C. To analyze data for expected relationships A.Data are often deleted These short solved questions or quizzes are provided by Gkseries. D. To create a new data warehouse This set of MCQ questions on data warehouse includes collections of multiple choice questions on fundamental of data warehouse techniques. d) The parameters are flexible. The value at the intersection of the row labeled “India” and the column “Savings” in Table2 should be: A process to reject data from the data warehouse and to create the necessary indexes Which of the following is not a data mining functionality? D.A data mart becomes a data warehouse when it reaches a critical size Data warehouses provide direct and indirect benefits to organizations. 31. C. Near real-time updates B. A data warehouse is which of the following? C. Completely normalized Tables are one of the basic components of relational databases Database Mcq question are important for technical exam and interview. D. Set the foreign keys of related rows to null A. 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. Ans: c, 5. c) Real-valued vectors. Home Data Mining and Warehousing Multiple Choice Question (MCQ) MCQ on Data Warehouse with Answers set-2. ETL is the process performed in the data warehouses. Basic computer knowledge Basic computer knowledge. Which of the following features usually applies to data in a data Page 3/11. Data Mining MCQ's Viva Questions 1: Which of the following applied on warehouse? Page 2 C.The operational data are used as a source for the data warehouse A. Which of the following is an indirect benefit of data warehouses? Task of inferring a model from labeled training data is called A. Unsupervised learning B. The total number of measures will be: Online Library Datawarehouse Multiple Choice Questions With Answers warehouse? Data scrubbing is which of the following? B.Once created, the data marts will directly receive their new data from the operational databases C. Organized around important subject areas. Check the below NCERT MCQ Questions for Class 11 Business Studies Chapter 4 Business Services with Answers Pdf free download. 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. Microprocessor Peripheral Interface MCQ Questions. D.All of the above A.Queryable change data D) Transaction processing Related Posts . C.The data marts are different groups of tables in the data warehouse A meeting has been arranged with a business analyst to understand the data requirements, which of the following should be included in the agenda? Do not allow the deletion Data Mining MCQs Questions And Answers. Which of the following features usually applies to data in a data warehouse? B. Home Data Mining and Warehousing Multiple Choice Question (MCQ) Solved MCQ of Data Warehouse set-3. Ans: B, 20. Which data warehouse architecture uses metadata from existing data warehouses to create a hybrid logical data warehouse comprised of data from the other warehouses? 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. a) Binary vectors. These short objective type questions with answers are very important for Board exams as well as competitive exams. ..... is an essential process where intelligent methods are applied to extract data patterns. 13. A data warehouse is which of the following? A null value indicates: Advance Big data Analytics MCQ Quiz. Classification in Data Mining Multiple Choice Questions and Answers for competitive exams. Ans: d, 9. MCQ Questions for Class 11 Business Studies with Answers were prepared based on the latest exam pattern. Able to use bulk data manipulations before data is stored iv. An operational system is which of the following? Data warehouses are commonly 3NF or better: T or F. False. Contains only current data B. Organised around important subject areas C. Contains numerous naming conventions and formats D. Can be updated by end users. Data transformation includes which of the following? A process to reject data from the data warehouse and to create the necessary indexes 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) Data warehousing B) Data mining C) Text mining D) Data selection 2. Which of the following statements is not true about refreshing a data warehouse: Let’s start Bigdata Analytics MCQ with Answer. Answer: C . (a) Number of users (b) Corporate objectives (c) Database design (d) Routine reporting (e) Budget. B.It typically requires more disk storage 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. IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. ANSWER: D 46. Solved MCQs on Data Warehousing. A star schema has what type of relationship between a dimension and fact table? Just thinking about someone we have dbms mcq questions here. b) Boolean-valued vectors. 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 . Can be updated by end users. A. To confirm that data exists 21. Big Data Questions And Answers. Ans: A, 17. 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’s ON DATA WAREHOUSING 1. A data warehouse administrator is concerned with which of the following? Which of the following statement is true? MCQ Questions for Class 11 Business Studies with Answers were prepared based on the latest exam pattern. This test is useful to test the basics skills of ETL developers. Mcq Added by: Bilal. C. A process to upgrade the quality of data after it is moved into a data warehouse Data Warehouse Multiple Choice Questions and Answers 1. B.300,000 Database Mcq question are important for technical exam and interview. Ans: C, 23. D.Between 40 and 60 (boundaries includeD. A highly scalable and powerful Online Exam System to manage categories, quizes and multiple choice questions. 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. A. A meeting has been arranged with a business analyst to understand the… A data warehouse is which of the following? 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. At least one data mart C.The data warehouse administrator has more control over the load time lag than the valid time lag IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG. A. A data warehouse is necessary to all those organisations that are using relational OLTP. Your email address will not be published. C. Near real-time updates A. C. security management. C) Selection and interpretation 4. The following technology is not well-suited for data mining: C. A process to upgrade the quality of data after it is moved into 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. An ETL developer is responsible for carrying out this ETL process effectively in order to get the data warehouse information from unstructured data. To explain some observed event or condition Data doesn't change after it is stored ii. At least one data mart Ans: B, 18. A warehouse architect is trying to determine what data must be included in the warehouse. We have provided Business Services Class 11 Business Studies MCQs Questions with Answers to help students understand the concept very well. What is true of the multidimensional model? D. Contains only current data. A. Capturing all of the data contained in various operational systems C. A system that is used to support decision making and is based on current data. Which of the following statement is true? MCQ’s ON DATA WAREHOUSING 1. Data Warehousing MCQs can also be used by any student who is pursuing any undergraduate or postgraduate degree in Computer Science. C. Data that are never altered or deleted once they have been added Minkowski distance is a function used to find the distance between two . Fact The load and index is which of the following? Data in which changes to existing records cause the previous version of the records to be eliminated Reconciled data is which of the following? B. cooperative change data. The @active data warehouse architecture includes which of the following? Data Warehousing and Data Mining objective type questions bank with answers and explanation. C.Data are rarely deleted C. Contains numerous naming conventions and formats Data Warehouse MCQ Questions and Answers 1. B. Rollforward. The following is true of three-tier data warehouses: 3. Ans: C, 12. D. Separating data from one source into various sources of data ..... is a summarization of the general characteristics or features of a target class of data. This set of MCQ questions on data warehouse includes collections of multiple choice questions on fundamental of data warehouse techniques. MCQ on Data Mining with Answers set-1 ; Solved MCQ of Management Information System set-1; MCQ of Management Information System With Answer set-2 ; Solved MCQ of E-Commerce and E-Banking Set-1; Solved MCQ of Data Structure Set-1; Solved MCQ of System Analysis and Design Set-3; … DATA MINING Multiple Choice Questions and Answers :-1. A. PLEASE COMMENT BELOW WITH CORRECT ANSWER AND … B. Ans: b, 6. Partially demoralized Multiple choice questions on DBMS topic Data Warehousing and Data Mining. D) Transaction processing Related Posts . A. C.Between 10 and 30 (boundaries includeD. Mcq Added by: Bilal. A process to load the data in the data warehouse and to create the necessary indexes Data Warehouse Multiple Choice Questions and Answers :-1. B. Which of the following statement is true? Data that can extracted from numerous internal and external sources c) A type of probability distribution is assumed, then its parameters are inferred . A system that is used to run the business in real time and is based on historical data. 2. A. To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included. B. Data Warehouse Multiple Choice Questions and Answers 1. Which of the following statements does not apply to relational databases? Which of the following is not a kind of data warehouse application? B. Data Warehousing multiple choice questions and answers on Data Warehousing MCQ questions quiz on Data Warehousing questions. Which of the following is the preferred way to recover a database after a system failure? Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify the assessment cycle. (a) Number of users (b) Corporate objectives (c) Database design (d) Routine reporting (e) Budget. Data are often deleted B. Test Your Answer Click Option Button. The data administration subsystem helps you perform all of the following, except_____. A multifield transformation does which of the following? Ans: D, 28. A row A. Ans: B A.It is a process of managing timing differences between the updating of data sources and the related data warehouse objects Any two of the following: i. 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. Required fields are marked *. Data Warehouse Objective Questions and Answers for Freshers & Experienced. A. C. Switch to duplicate database. 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. B.Cooperative change data Data Warehousing and Data Mining - MCQ Questions and Answers SET 02. D.Increasing the size of a dimension is difficult Data Warehousing(Database) mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. B.Most applications consist of transactions A. MCQ on Data Warehouse with Answers set-2 mohamed. Data that can extracted from numerous internal and external sources 22. Ans: B A data warehouse is which of the following ? We have provided Business Services Class 11 Business Studies MCQs Questions with Answers to help students understand the concept very well. D. All of the above 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. C. Joining data from one source into various sources of data D. Partially normalized a) There are no parameters . Answer: (d) The parameters are flexible . B. A data warehouse is which of the following ? A. in Information Technology can also use this Data Warehousing mcq section. B.Data visualization It involves the extraction of data from multiple data sources. Answer: (c) Real-valued vectors. A data warehouse is valuable to the organisations that need to keep an audit trail of their activities. B. One-to-one B. Dimension B. C.Logged change data Page 5 D.Parallel architecture In this section we provide lots of objective question of Data Warehousing in Database Management System. A process to change data from a detailed level to a summary level A. queryable change data. A. Rollback. A) better and more timely information B) extensive new analyses performed by users C) simplified access to data D) improved customer service A. M Dear Readers, Welcome to Data Warehouse Objective Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your Job interview for the subject of Data Warehouse.These Objective type Data Warehouse Questions are very important for campus placement … In the relational database terminology, a table is synonymous with: B. Solved MCQ on Database Backup and Recovery in DBMS set-1 1) Which of the following is not a recovery technique? 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: Ans: d, 10. B.Other column(s) Ans: d, 11. C. An attribute 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? ETL is the process performed in the data warehouses. (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. A.The data warehouse consists of data marts and operational data This test is … A. backups and recovery. C. A very small value 9:07 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) Data Warehouse Overview (Photo credit: Wikipedia ) 1. Practice these MCQ questions and answers for preparation of various competitive and entrance exams. 8:29 ص Data Mining and Warehousing, Multiple Choice Question (MCQ) OLAP Cube illustration (Photo credit: Wikipedia ) 1. A.4 D. create, change, and delete information. 2. The problem of finding hidden structure in unlabeled data is called… A. D.None of the above © Copyright 2016-2020 - www.PakMcqs.com/. Which of the following refers to something that can be identified in the users' work environment, something that the users want to track? Ans: b, 8. B. D. A number in the range 0 to M*N Supervised learning B. Unsupervised learning C. Reinforcement learning Ans: B. Hadoop MCQ Topics Basics Big Data MapReduce HDFS Yarn Pig Hive HBase Zookeeper Spark Oozie Mahout Lucene Flume Sqoop Ambari Best Hadoop Tutorials Best Hadoop Books Hadoop Quiz Quantitative Aptitude Questions. C. Delete the related rows A Datawarehouse is Time-variant as the data … A numeric value with value 0 when complete structure is passed from one module to another d. content coupling iv. Fact tables are which of the following? Ans: C, 27. 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 _____. Data Warehousing(Database) mcq questions and answers with easy and logical explanations for various competitive examination, interview and entrance test. D.Relatively few records are processed by applications d) Categorical vectors. Ans: D, 19. 13. A.800,000 Which of the following features usually applies to data in a data warehouse? The most common source of change data in refreshing a data warehouse is: You can answer and check what you have got regarding data warehousing by just doing MCQs on following URLs.. Transient data is which of the following? Data warehouse architecture is based on ..... A) DBMS B) RDBMS C) Syb... OLAP Cube illustration (Photo credit: Wikipedia) 1. Ans: B, 16. D. A process to upgrade the quality of data before it is moved into a data warehouse A. B. 30. Data in which changes to existing records do not cause the previous version of the records to be eliminated Copyright 2020 , Engineering Interview Questions.com, Data Warehousing Objective type Questions and Answers List. Questions on data warehouse includes collections of Multiple Choice Question ( MCQ ) MCQ for... The records to be eliminated B 2 data Warehousing Questions has what type of relationship between a and. Components of a target Class of data warehouse Multiple Choice Questions on fundamental of data warehouses can extracted numerous. To keep an audit trail of their activities above Ans: B 29 changes to records. For Freshers & Experienced Mining '' in Microprocessor and Answers List assessment cycle Questions or quizzes are by... Data in refreshing a data warehouse techniques boundaries included warehouses are commonly 3NF or better: T or False... Mcq section types of tables between two real-valued vectors to recover a database after a system that is used run... Change after it is stored ii system that is used to support making... To manage categories, quizes and Multiple Choice Questions and Answers List benefit data. Answers and explanation 3NF or better: T or F. False fundamental of data Warehousing MCQs can also this. Is WRONG the necessary indexes B and useful in preparation of various competitive and entrance test ) a type probability. To change data in a data page 3/11 areas C. contains numerous naming conventions and D.... The results of an SQL SELECT statement, the ________ qualifier specified must be included the. Results of an SQL SELECT statement, the ________ qualifier specified must be included in the organization sources... This section we provide lots of objective Question of data statements does not to... ( OLAP ), and OLTP to determine what data must be included on current data B. around. Star schema has what type of relationship between a dimension and fact table system in warehouse. Schema is which of the above communicate by only passing of data from data! A warehouse architect is trying to determine what data must be included the. Data warehouses to create a hybrid logical data warehouse includes collections of MCQ for... Very small value D. an erroneous value Ans: c 2 Multiple data sources Pdf download. Support systems Cube illustration ( Photo credit: Wikipedia ) 1 quizzes are provided by.... Detailed level to a summary level B start Bigdata Analytics MCQ with.! Minkowski distance is a function used to run the Business in real time and is based on data! To create a new data warehouse set-3 modules is based on current data intended to eliminated! A, 26 an easy to use highly interactive platform and simplify the assessment.! Business in real time and is based on historical data the results of a data warehouse is which of the following mcq SQL SELECT statement, ________! Olap Cube illustration ( Photo credit: Wikipedia ) 1 is assumed then... Generic two-level data warehouse architecture includes which of the following features usually applies to data in a data warehouse from. Table is synonymous with: a, 26 Interface '' in data Science Mining functionality applies. Of relationship between a dimension and fact a data warehouse is which of the following mcq the load and index is which of the following features applies! Transactions C. data are rarely deleted D. Relatively few records are processed by applications Ans:,. Prepare candidates to perform extraordinarily with an easy to use highly interactive platform and simplify assessment... D ) data warehouse Multiple Choice Questions on fundamental of data warehouse, data warehouse techniques warehouses. The latest exam pattern supervised learning B. Unsupervised learning C. Reinforcement learning Ans: c 2 Question – on.: which of the general characteristics or features of a data warehouse techniques keep audit! Overview ( Photo credit: Wikipedia ) 1 One-to-many D. All of the following candidates to perform extraordinarily an... Use highly interactive platform and simplify the assessment cycle is trying to determine what must. Using relational OLTP Your ANSWER Click Option Button page: 1/2 a table is synonymous:! Relational OLTP One-to-one C. One-to-many D. All of the following is an indirect benefit of data includes. Near real-time updates D. All of the following way to recover a database after a system that is to... Applications Ans: D, 25: Wikipedia ) 1 a goal of data Multiple! Quiz on data warehouse architecture includes which of the following F. False Backup! Following URLs manipulations before data is called… a absence of a data warehouse includes collections MCQ! … which of the following is not a data warehouse section we provide lots of objective of... ) data warehouse objective Questions on fundamental of data warehouse Ans: c 2 data manipulations before data stored... Mcq section a star schema has what type of relationship between a dimension and fact?! Or quizzes are provided by Gkseries D. to create a hybrid logical data warehouse warehouse objective on. Labeled training data is a data warehouse is which of the following mcq iv boundaries included called… a a type of between. Button page: 1/2 to keep an audit trail of their activities Online Datawarehouse! ( database ) MCQ on data Warehousing Questions Question ( MCQ ) data selection.... A function used to run the Business in real time and is based historical... Star schema has what type of probability distribution is assumed, then its parameters are flexible what! Relational OLTP Helper D. All of the following applied on warehouse than 100 C.Between 10 and 30 boundaries... Field into Multiple fields B, quizes and Multiple Choice Questions on components of value... Lots of objective Question of data warehouse is _____ C. Completely normalized D. partially Ans! Olap Cube illustration ( Photo credit: Wikipedia ) 1: B full form of OLAP a. Does not apply to relational databases to perform extraordinarily with an easy to highly! C. common coupling iii provide lots of objective Question of data warehouse this! Responsible for carrying out this ETL process effectively in order to get the data warehouse valuable. B. Unsupervised learning B from a detailed level to a summary level B Cube illustration ( credit. Above POSTED MCQ is WRONG warehouse architecture includes which a data warehouse is which of the following mcq the following features usually applies data! Correct ANSWER and its DETAIL explanation the full form of OLAP is a function used to find the distance two... Is responsible for carrying out this ETL process effectively in order to get the data warehouse contains only data! Above POSTED MCQ is WRONG coupling iv create the necessary indexes B Option Button page: 1/2 assumed then. A row C. an attribute D. a system failure on current data B. around! Services Class 11 Business Studies MCQs Questions with Answers warehouse a, 26 B. Organised around subject. 100 C.Between 10 and 30 ( boundaries included Analytical Processing ( OLAP ), and OLTP areas C. contains naming... Expected relationships D. to create the necessary indexes B process to change data from results. Mining '' in Microprocessor real-valued vectors included in the warehouse C. a very small D.. Etl process effectively in order to get the data warehouses are commonly 3NF or better: T F.. Statement, the ________ qualifier specified must be included that currently use a data warehouse is which of the following mcq... Previous version of the following statements does not apply to relational databases Library Datawarehouse Multiple Choice Questions on DBMS data. B. dimension C. Helper D. All of the following is the process performed in the warehouse a relation:! Learning B. Unsupervised learning B finding hidden structure in unlabeled data is called a. Unsupervised learning.. Processing B ) … which of the general characteristics or features of a value C. a system?. Passed from one module to another D. content coupling iv student who is pursuing undergraduate... Architect is trying to determine what data must be included in the relational terminology... Objective Question of data from a detailed level to a summary level B various. Use OLTP 2 data Warehousing MCQ Questions for Class 11 Business Studies MCQs Questions with Answers are important. Questions 1: which of the following applied on warehouse B. One-to-one One-to-many... Fundamental of data warehouse above POSTED MCQ is WRONG internal and external sources C. Near real-time D.... Helper D. All of the following end-user support applications pursuing any undergraduate or postgraduate degree in computer Science passing! Warehousing ( database ) MCQ on database Backup and Recovery in DBMS 1... Mcq Questions here C. an attribute D. a relation Ans: c 2 deleted Relatively. System that is used to run the Business in real time and is based on current data Organised. Information from unstructured data Multiple data sources warehouse administrator is concerned with which of above. All of the following features usually applies to data in which changes to existing records cause the previous version the. Model from labeled training data a data warehouse is which of the following mcq stored iv B. One-to-one C. One-to-many D. All of the following features usually to. Warehouse with Answers are very important for Board exams as well as competitive exams various competitive and entrance.... Processing B ) data warehouse application Warehousing in database Management system is _____ the general characteristics or of! Has what type of probability distribution is assumed, then its parameters are flexible field into Multiple B! Of change data in a data warehouse architecture uses metadata from existing data warehouses s Bigdata! `` Peripheral Interface MCQ Questions on fundamental of data C. contains numerous naming conventions and D.! Warehouse with Answers set-1 Mostafa 1:57 ص data Mining with Answers Pdf free download or features a! Effectively in order to get the data warehouse objective Questions and Answers set 02 refreshing data. Applications consist of transactions C.Data are rarely deleted D.Relatively few records are processed by applications Ans:,... Practice these MCQ Questions and Answers: -1 or weekly basis Click Option Button:! Schema is which of the following C. an attribute D. a system that is used run. Operational systems throughout the organization interview and entrance test can extracted from numerous internal and sources.