1. Data Mining:
The process of extracting valid, previously unknown, comprehensible, and actionable information from large databases and using it to make crucial business decisions is known as Data Mining.
Data mining is concerned with the analysis of data and the use of software techniques for finding hidden and unexpected patterns and relationships in sets of data. The focus of data mining is to find the information that is hidden and unexpected.
2.Data Warehouse:
Data warehouse is defined as "A subject-oriented, integrated, time-variant, and nonvolatile collection of data in support of management's decision-making process."
Data warehouse contains huge amount of data which can be in structured, semi structured or unstructured fashion. In Data warehouse the volume of data is considered and in most of the case the size of data is in XETABYTE.
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