Deepesh Joseph April, 2009 Purpose The purpose of this document is to present a management report that analyzes the current usage of XM...
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UML Explained
UML or Unified modelling language is the best tool for modelling object oriented systems. As we know, in objet oriented modelling and desi...
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ERD With Examples
ERD or Entity relationship diagram is the most common database design and modelling tool used in System Design phase. The diagram basicall...
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DFD Defined With Example
Data Flow Diagram is the widely used system design tool which aids in depicting flow of logic and data (commonly called process flow) with...
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Use Cases Defined With Examples
Use cases are one of the excellent tools for representing functional requirements of a system. Use case modelling refers to modelling of s...
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Keeping American Jobs
Offshore outsourcing is a highly debated topic. It would be nice if we reflect on the reasons that has lead to offshore outsourcing - 1. ...
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Data Warehouse Principles
Operational Vs Informational system : Operational Systems are those which are based on current data and thus supports current/day-to-day f...
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Database Systems
a. Homogeneous vs. heterogeneous distributed database system Homogeneous database systems involve similar databases distributed over the ...
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Normalizing Data in 3NF Form
Deepesh Joseph February 2009 The main purpose of normalization is to reduce data redundancy and avoid inconsistent data. Normalization l...
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