Data warehouses mcqs
WebDec 30, 2024 · Explanation: The data within a data warehouse is usually derived from a wide range of sources such as application log files and transaction applications. A data … Web1. ETL stands for? A. Extract, Transfer and Load B. Extract, Transform and Load C. Extract, Time and Load D. Extract, Transform and Loss View Answer 2. ETL testing includes? A. Verify whether the data is transforming correctly according to business requirements B. Make sure that ETL application reports invalid data and replaces with default values
Data warehouses mcqs
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WebWhat is a data warehouse? A data warehouse, or enterprise data warehouse (EDW), is a system that aggregates data from different sources into a single, central, consistent data … WebMar 4, 2024 · Data Warehousing and Data Mining Question 1: Data warehousing has various characteristics including: (A) Focuses on modelling and analysis of data relating to a specific area (B) Data warehouse is an integration of data from various systems like CRM system, SCM system, etc
WebData Mining and Warehouse MCQS with Answer Multiple Choice Questions. 1. __________ is a subject-oriented, integrated, time-variant, nonvolatile collection of data in support of management decisions. A. Data Mining. B. Data Warehousing. C. Web Mining. D. Text Mining. ANSWER: B 2. The data Warehouse is__________. A. read only. B. … WebData 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 Answer - Click Here: 2: Data can be store , retrive and updated in … a) SMTOP b) OLTP c) FTP d) OLAP Answer - Click Here: 3: Which of the following is a good alternative to the star schema? a) snow flake schema
Web1) Data scrubbing is which of the following? A process to reject data from the data warehouse and to create the necessary indexes. A process to load the data in the data … WebFeb 11, 2024 · Here are Data Warehouse interview questions and answers for fresher as well experienced candidates to get their dream job. 1) What is Data Warehouse? Data warehousing (DW) is the repository of a data and it is used for Management decision support system.
WebJan 31, 2024 · A Data Warehousing (DW) is process for collecting and managing data from varied sources to provide meaningful business insights. A Data warehouse is typically used to connect and analyze business …
WebA. A data warehouse refers to a database that is maintained separately from an organization’s operational databases. B. Data in the data warehouse are stored to … dallas pawn shop online inventoryWebA data warehouse is constructed by integrating data from multiple heterogeneous sources that support analytical reporting, structured and/or ad hoc queries, and decision making. Data warehousing involves data cleaning, data integration, and data consolidations. Using Data Warehouse Information birch tree irelandWebQuestion and answers in Data Mining and Data Warehouse, Data Mining and Data Warehouse multiple choice questions and answers, Data Mining and Data Warehouse … dallas pd 1400 botham jean blvdWebJun 17, 2024 · In this Data warehousing mcqs set you will find out mcq question on data warehouse with answers and will help to clear any data warehouse objective exam.We … dallas patriots baseball tryoutsWeba process to load the data in the data warehouse and to create the necessary indexes. C. a process to upgrade the quality of data after it is moved into a data warehouse. D. a … birch tree kings lynnWebTop 20 MCQ Questions on Data Warehouse Architecture. Here is the collection of top 20 MCQ questions on data warehouse architecture includes multiple-choice questions on … dallas pd non emergency phone numberWebThese Multiple Choice Questions (MCQs) on Data Warehousing will prepare you for technical round of job interview, written test and many certification exams. The test … birch tree landing hamlin lake