It is crucial for organizations to have critical and timely
information available in order to make decision to make progress and
more importantly sustain the business. Hence it is necessary for to be
facilitated with software and systems to manage, prioritize and ensure
the availability information. Moreover companies should adopt necessary
precautions to protect their data and also to efficiently handle the
exponential growth of the same.
Quick data retrieval became
problematic with the evolution of technologies due to data being
distributed among many servers, which eventually caused the introduction
of data warehousing. Data warehousing has been accepted as a solution
to the burden of managing data, which is considered as an asset of any
organization.
Data Warehouse
A data warehouse by definition is a repository which stores
subject-oriented, historical data in an organized and quickly accessible
manner, used for analytical processing such as data mining, decision
making, querying and other applications. The concept of data
warehousing is strongly interrelated with data access, retrieval,
analysis and visualization. Features that comprise it are organization,
consistency, time variance, nonvolatile nature, real-time and
integration of data, and relational and web based architectures.
Most of the organizations adhere to the concept not only because of the
features revealed above, but also its ability to structure data
according to business processes such as shipping, purchasing and
inventory and the provision of access to data through web based systems
for the end users. In addition to that, data warehouses cater the
storage of metadata, which include software programs about data,
information on indexing, data summaries and rules to organize data.
Furthermore it is proven that this can benefit a company by providing
consolidated information which can be used to infer cost effective
solutions and also offload information processing from expensive
operational systems onto cheaper servers. Therefore it is irrefutable
that companies receive competitive advantage, enhanced customer service
and satisfaction, improved business knowledge, help in streamlining
business processes and advantages in decision making.
Nevertheless building and maintaining a data warehouse is extremely
expensive. It may also be difficult to incorporate data from legacy
systems. Thus, a feasibility analysis is required when deciding to use a
data warehouse.
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