Databases play a critical role in almost all areas where computers are used, including education, library, science, medicine, business, law, engineering, and so on. Due to the recent developments, the storage capacity and the computing speed of the computers
have increased, so now big data is being handled by the computers using different techniques handling the data. Data is a valuable asset for an organization. Data mining is the process of finding patterns in a given data set. Today, data mining is used
in contexts of fraud detection, as an aid in marketing campaigns, and even by supermarkets. Data warehouse provides us generalized and consolidated data in a multidimensional view. Along with this view of data, data warehouses also supply us with online
analytical processing (OLAP) tools. There is no frequent updating done in a data warehouse. Data cleaning and data transformation are important steps in improving the quality of data and data mining results. Sometimes data mining is called data or knowledge
Source: Parul Mittal
This work is licensed under a Creative Commons Attribution 4.0 License.