Sumya Medhat Ismail MIS English Section 3 rd year Enterprise Resource Planning System & Data Warehousing Implementation

Sumya Medhat Ismail MIS English Section 1 ERP System : is software solution that addresses the enterprise need. It takes the process view of an organization goals and tightly integrates all function in that organization. defined It is also defined as : a large computer system that integrate all facets of an operation, including, development, manufacturing, sales and marketing. Enterprise Resource Planning System

2 Sumya Medhat Ismail MIS English Section Enterprise Resource Planning System  This integration is accomplished with through a database shared by all the application programs.  An ERB is “ do it all” system that performs everything from entry of sales orders to customer service.  The purpose of ERB is to facilitate the flow of information between all business functions inside the boundaries of the organization and manage the connections to outside stakeholders.

3 Sumya Medhat Ismail MIS English Section Enterprise Resource Planning System  ERP offers solution for all Business function  Packages available for organization of all sizes and types  Global nature (multi currency) Elimination of costly inflexible legacy system very complex, Expense and time in implementation

5 Sumya Medhat Ismail MIS English Section Data Warehousing Implementation Data Warehousing Implementation integratedsubject-oriented, time- variantnon-volatile Data Warehousing Implementation Is an integrated, subject-oriented, time- variant, non-volatile database that provides support for decision making. Integrated : the data warehouse is a centralized, consolidated database that integrates data retrieved from the entire organization. subject-oriented : the data warehouse data is arranged and optimized to provide answers to question coming from diverse functional areas within a company. time-variant : the warehouse data represent the flow of data through time it can even contain projected data. non-volatile : once data entre the data warehouse, they are never removed. the data warehouse is always growing.

6 Sumya Medhat Ismail MIS English Section Data Warehousing Implementation Data Mart : Data Mart : is a small, single-subject data warehouse subset that provides decision support to a small group of people.  The seven principles data warehousing : (Business principles)  Organizational consensus  Data Integrity  Implementation efficiency  User friendliness  Operational efficiency. (It principles)  Scalability  compliance with IT standards. Solving Business problems and Adding Value with data warehouse-based solutions.

7 Sumya Medhat Ismail MIS English Section Data Warehousing Implementation  Numerous constraints : Available funding. Management’s view of the role played by an IS department and of the extent and depth of the information requirement. Corporate culture.  No single formula can describe perfect data warehouse development Implementing a Data warehousing Factors common to Data warehousing  Data warehouse is not a static database.  Dynamic framework for decision support that is always a work in progress.  Data warehouse data cross department line and geographical boundaries.  Must satisfy : Data integration and loading criteria. Data analysis capabilities with acceptable query performance End-user data analysis needs.  Apply a database design procedures.