It is surprisingly rare for IT people (in general) to appreciate that data warehousing requires a lot of disk space. Non-IT people, on the other hand, is more appreciative. They understand that if we collect data from many different places and put them in 1 place, then naturally it will require a big disk space. But IT people are quite the opposite: they can appreciate that email and file servers are disks hungry, but…
Data warehousing refers to the technique of construction with the aid of a data warehouse. It is constructed by the integration of different data from several heterogeneous sources which bestow support to ad hoc queries, structured queries, analytical reporting. Data warehousing involves the integration of data, cleaning of data, and consolidation of data. Steps for the implementation of data warehousing Here is a list of the steps for the implementation of data warehousing Determining the…