How does Data Mining work?

Data Mining basically depends on the algorithms that make the searching of patterns fast and efficiently.

Data Mining consist of following major steps:
1.Extract, transform, and load transaction data onto the data warehouse system.
2.Store and manage the data in a multidimensional database system.
3.Provide data access to business analysts and information technology professionals.
4.Analyze the data by application software.
5.Present the data in a useful format, such as a graph or table.