Tuesday December 12th 2017




Heterogeneous Databases and Legacy Databases

As we are driven by the goal making information technology understandable by business decision makers and end-users, therefore when ever we find any simple word made unnecessarily technical term, we made best efforts to make them original / understandable. So Legacy database is a group of heterogeneous data bases that combines different kind of data systems, such as relational or objects oriented databases, hierarchical databases, network databases, spreadsheets, multimedia databases, or file systems. The heterogeneous databases in legacy database may be connected by intra or inter computer networks.

Source: Data mining concepts and techniques by Jiawei Han and Micheline Kamber