Category: Data Warehousing and Data Mining
Introduction to Data Preprocessing and its Types
What is Data preprocessing? Data preprocessing is a data mining technique that involves transforming incomplete, inconsistent, and/or noisy data which increase chances…
Why do we need Data Mart? Types of Data Mart
What is Data Mart? Data mart is subset of data warehouse oriented to particular business subject line. The data mart contains repository…
Challenges of Data Mining
In several sectors, data mining and knowledge discovery is becoming a critical technology for businesses and researchers. While data mining is becoming…
Study about Data Object and Attribute Types
Data sets are made up of data objects. A data object represents an entity. Examples: – sales database: customers, store items, sales…
Knowledge Discovery in Database(KDD)
Knowledge Discovery in Databases (KDD) Knowledge Discovery in a database is the process of discovering useful knowledge from a collection of data…
Data Mining functionalities
Data mining functions are used to define the kind of patterns that will be discovered during data mining jobs. Some of the…
Introduction To Data Mining
Motivation for Data Mining Over the last three decades, the steady and remarkable advancement of computer hardware technology has resulted in a…
What are the Components of Data Warehouse and it’s need?
Components of Data Warehouse A typical data warehouse consists of four major components: a central database, ETL (extract, transform, and load) tools,…
Architecture of data warehouse
Three-tier data warehouse architecture is the most widely used architecture of data warehouse as it produces a well-organized data flow from raw…
Conceptual Modelling of Data Warehouse
The conceptual data model is a structured business view of data required to support business, processes,record business events and track related performance…