Enterprise resource planning system & data warehousing implementation
- 1. Sumya Medhat Ismail MIS English Section 3rd year Enterprise Resource Planning System & Data Warehousing Implementation
- 2. 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 functions in that organization. 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
- 3. 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.
- 4. 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. 4 Sumya Medhat Ismail MIS English Section Data Warehousing Implementation 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. 5 Sumya Medhat Ismail MIS English Section Data Warehousing Implementation 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. 6 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.