BCA SEM-6 Data Mining and Data Warehouse imp question with answer and old paper
Click Here to Download 2020 paper UNIT -1 1) What is Data Mining? What kind of data can be mined? ANS) Data mining is the process of uncovering patterns and other valuable information from large data sets. Data mining has improved organizational decision-making through insightful data analyze. It is used to organize and filter data. It is also known as Knowledge Discovery in data (KDD). The key properties of data mining are: Automatic discovery of patterns Prediction of likely outcomes Creation of actionable information Focus on large data sets and databases Type of data that can be mined: Flat Files Relational Databases DataWarehouse Transactional Databases Multimedia Databases Spatial Databases Time Series Databases World Wide Web(WWW) Flat Files Flat files is defined as data files in text form or binary form with a structure that can be easily extracted by data mining algorithms. Data stored in flat files have no relations...