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  1. What is a Data Warehouse? | IBM

  2. এছাড়াও লোকেরা জানতে চায়
    A data Warehouse is based on analytical processing. Generally, a Database stores current and up-to-date data which is used for daily operations. A Data Warehouse maintains historical data over time. Historical data is the data kept over years and can used for trend analysis, make future predictions and decision support.
    Data Warehouse and Data mart overview, with Data Marts shown in the top right. 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.
    Explore IBM's data warehouse solution Subscribe for AI updates What 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 store to support data analysis, data mining, artificial intelligence (AI) and machine learning.
    "Atomic" data, that is, data at the greatest level of detail, are stored in the data warehouse. Dimensional data marts containing data needed for specific business processes or specific departments are created from the data warehouse. Data warehouses often resemble the hub and spokes architecture.