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by: Talabis, Mark/McPherson, Robert/Miyamoto, Inez
  • Format: PDF
  • ISBN: 9780128005064
  • Publication year: 2014
£44.15
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by: Kamrat Gutzait, Michelle/Ciaburro, Giuseppe/Coté, Christian
  • Format: PDF
  • ISBN: 9781789130096
  • Publication year: 2018
£24.95
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The term ‘data warehousing’ (DW), also known as an enterprise data warehouse (EDW), is a system utilised to create reports and analysing data. As well as this, DW is considered the main aspect of business intelligence. DW can be seen as a storage of integrated data from different sources, as well as a place which contains both present and historical information.

Data in a DW is usually uploaded from operational systems; therefore,  information may pass through an operational data store and consequently require a data cleansing to ensure that reports use high-quality information.

There are different benefits associated to DW. Firstly, a DW integrates information from different sources within a single database. Secondly, it maintains the data history and improves its quality. Thirdly, it presents information in a consistent way and restructures data so as it is readable by business users. Finally, it adds values to operational business applications and organises repetitive information.

A DW is characterised by five basic aspects: subject orientation, integration, time variation, non-volatility, and present data in a summarised way.

Do you want to know more about this topic? Browse this category. You will find a wide range of digital books which will help you better understand the concept of data warehousing. As well as this, these ebooks will support your studies and exams.

Still can’t find what you're looking for? We recommend also browsing the categories of Databases and  Database Design & Theory. Otherwise, we have more than 500,000 ebooks to choose from. Enjoy reading with Kortext!

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