Data warehousing VS database

pls help me in knowing the differences between database and data warehousing in detail
send me links and PDF if u have
thanks

Hi Ranjith,
A data warehouse is, primarily, a record of an enterprise's past transactional and operational information, stored in a database designed to favour efficient data analysis and reporting (especially OLAP). Data warehousing is not meant for current, "live" data.
A database is a collection of information stored in a computer in a systematic way, such that a computer program can consult it to answer questions. The software used to manage and query a database is known as a database management system (DBMS). The properties of database systems are studied in information science.
[http://www.webopedia.com/TERM/D/data_warehouse.html]
BW is an analytical tool where reports from various module of business can be handled easily and very faster .
ABAP reports will make burden on OLTP server.
BW data is designed for reports.
Also check the links:
The Home of SAP Business Warehouse (BW)
[http://www.erpgenie.com/sap/sapfunc/bw.htm]
SAP Business Information Warehouse
[http://help.sap.com/saphelp_nw04/helpdata/en/b2/e50138fede083de10000009b38f8cf/content.htm]
Business Intelligence : Programming in BW
[https://www.sdn.sap.com/irj/sdn/wiki?path=/display/bi/programminginBW&]
BW and Portals 2005
[https://www.sdn.sap.com/irj/sdn/bi-and-portals2005]
SAP Business Warehouse (BW) Overview
[http://gleez.com/sap/bw/overview]
Hope this helps
Regards
Hemant Khemani

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