Data Warehouse primarily contains 5 Components:
3. Staging Area
4. OLAP/ Data Warehouse
1. OLTP: OLTP stands for online transaction processing system it stores the day to day business transactions
2. ETL: ETL stands for extraction, transformation, loading. It is the process of converting the data into information with the required transformation and validations.
3. Staging Area: Staging Area is the separate dedicated area to perform the required transformations.
4. Data Warehouse: Data Warehouse is the process of converting the raw data into valid information with the help of ETL and thereby performing required reporting and analysis, with the help of BI.
5. BI: BI stands for "Business Intelligence".
BI is the process of incorporating the intelligence on the information stored in the data warehouse, by performing required reporting and analysis.
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