However this data with very special attributes can't be managed and processed by the current traditional software systems, which became a real problem. This data becomes very important source for valuable insights and ultimately helping to make more informed decision. Massive, fast and diverse data moving quickly everywhere creating what is known as " Big Data " era. Data coming from internal and external sources, existing in a variety of forms from traditional structural data to unstructured data like text files or multimedia is cleaned and integrated into a single repository. The key issue is the provision of access to a company-wide view of data whenever it resides. The fundamental reason for building a data warehouse is to improve the quality of information in the organization. The aim of data warehousing Data warehousing technology comprises a set of new concepts and tools which support the knowledge worker (executive, manager, analyst) with information material for decision making. In this paper, we introduce the basic concepts and mechanisms of data warehousing. The research community noticed this trend as well and determined data warehousing as one of the “hot topics”. The size of the data warehouse market is expected to be at least $8 billion at the end of 1998, and more than 900 vendors provide various kinds of hardware, software, and services for data warehousing. In the last years, data warehousing has become very popular in organizations.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |