COMPUTER APPLICATIONS
DATABASE MANAGEMENT SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The data source for the data warehouse is ____
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Operational data within the organization
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Obtained external sources
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Statements 1 and 2 are correct
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Statements 1 and 2 are wrong
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Explanation:
Detailed explanation-1: -A data warehouse stores current and historical data for the entire business and feeds BI and analytics. Data warehouses use a database server to pull in data from an organization’s databases and have additional functionalities for data modeling, data lifecycle management, data source integration, and more.
Detailed explanation-2: -Enterprise Data Warehouse (EDW) This type of warehouse serves as a key or central database that facilitates decision-support services throughout the enterprise. Operational Data Store (ODS) This type of data warehouse refreshes in real-time. Data Mart. 23-Feb-2023
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