SAP SE Headquartered in Germany is one of the leading ERP Software Company worldwide SAP ERP is the most widely used ERP Software .Nearly 60% to 70% of Companies worldwide are using SAP ERP SAP is the third largest Software Company in the world The term of ERP is originally derived from Manufacturing Resource Planning (MRP II) and Material Resource Planning (MRP). MRP evolves into ERP when capacity planning activity and routing become a part of the standard software activity. MRP :Material Requirement Planning MRP II : Manufacturing Resource Planning
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An ERP system usually replaces several applications of an organization with a single central application and database, making the system more effective, easier to use and manage.An ERP system helps in conducting business across the organization and between organizations as well as analysing the transactions, after the business event.The scope of an ERP system can vary from company to company; But most ERP systems support the manufacturing and financial accounting functions;An ERP System usually supports major core functions of an organization like accounting, production, sales, procurement, inventory management, quality management, costing, maintenance, human resources etc.An ERP systems also provide integrated planning framework and information systems for several functions.An ERP System can be used in multiple locations, in various time zones across the globe and usually support business environment across multiple countries, languages, currencies etc.The primary benefit of implementing an ERP system include integration of functions across the organization which ensures timely decision making.IN the last decade or so, additional modules are released like Balance Score Cards, Self Service Functions, Enterprise Portals, which are delivered along with ERP Other functions such as Engineering Change Management, Document Management sy stem
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An ERP application needs the following basic components to perform its functions: a business layer, consisting of business logic and rules a data layer, where various types of data related to business transactions and various business partners of the organization is stored an access layer, to enables the users of the application to access it Hence, from a technical perspective, the architecture of an ERP application can be represented by the following layers related to business and technology:an application layer, in which resides the business logic related to all functions / departments of an organization.a database layer, in which the business data resides A presentation layer, which provides a user interface to the employees of an organization The above three layers together are referred to as a 3-tier architecture.Apart from the above, an ERP application also requires the following: an operating system later on which the database and application layer resides a hardware environment in which the above three layers reside. a communication layer, through which the application can be accessed by the users.
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An ERP environment, in which there are multiple application layers, primarily to share the user load, it is referred to as n-tier architecture. Also, with the advent of WWW and latest storage technologies, the number of layers in ERP environment have increased and often termed to be operating in n-tier architecture. In the last 2 decades, ERP has evolved significantly from various perspectives, whether it is from a 2-tier to 3-tier architecture or the development platforms and tools or the various integration technologies. Some of the trends are listed below:Technology, used to develop and deploy ERP Solutions SAP has its own development stack supported by ABAP and then slowly started supporting Java and .Net based development and deployment through SAP NetWeaver Business Process Platform.
