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Tag: Difference between OLTP and OLAP

What is Data Warehouse ?

Posted on: September 6, 2018 | By: Trenovision – Comments Off

What is Data Warehouse ? Data Warehouse is a “Subject-Oriented, Integrated, Time-Variant Nonvolatile collection of data in support of decision making”. A data warehouse is a database to contain large amounts of historical data which are derived from transaction data, but it can include data …

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Filed Under: Filed Under:Terms
Tagged With: Tagged With:Benefits to have data warehousing, Data Model, Data Warehouse, Data Warehouse Life Cycle, datawarehouse, Difference between OLTP and OLAP, Difference between primary key and unique key constraints, Difference between view and materialized view, Differentiate between a data warehouse and a data mart, Dimensions and Facts, ETL Testing, ETL Testing Vs Data Testing, ETL- Basic, How data is processed in Data Warehouse, Life Cycle of ETL, Metadata and Data integrity, Types of SCD, Types of Transformation, What is Data Mart, What is Data Warehouse, What is ETL, What is OLAP, Why Data Warehouse is require

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