SQL DB2 data modeling can help you improve your database engineering skills in several ways. First, it can help you understand your data better, by providing a clear and comprehensive view of your ...

This repository entails designing a dimensional model that gives a logical business view of data to analyze data is relevant to sales analysis. It also involves performing comprehensive analysis of a ...

A physical data model is a representation of how the data will be stored and accessed in a specific database system. It includes details such as table names, column names, data types, constraints ...

Logical models are based on functional dependencies between the data elements, and not number of reads. Once the discussion considers speed of response, or the number of reads, or the count of records ...

Abstract: Although dubbed schema less, NoSQL databases, especially the document-oriented ones, can still make use of effective data modeling techniques in order to provide high-performance databases.