Showing posts with label SAP. Show all posts
Showing posts with label SAP. Show all posts

What is OData

Posted by Tushar Bedekar

Introduction : 

OData (Open Data Protocol) is a term that we frequently hear nowadays while dealing with sap Fiori and sap UI 5 applications. I
t is being used in other places also. It is one of the transmission control protocol which is an OASIS standard that defines a set of building and consuming RESTFUL API`s ( Application Programming Interface ).

An Open Protocol to allow the creation and consumption of queryable and interoperable API`s in a simple and standard way.

OData helps you focus on your business logic while building RESTful APIs without having to worry about the various approaches to define request and response headers, status codes, HTTP methods, URL conventions, media types, payload formats, query options, etc. OData also provides guidance for tracking changes, defining functions/actions for reusable procedures, and sending asynchronous/batch requests.
An open protocol to allow the creation and consumption of queryable and interoperable RESTful APIs in a simple and standard way.

An open protocol to allow the creation and consumption of queryable and interoperable RESTful APIs in a simple and standard way. 
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What Is SAP

Posted by Tushar Bedekar

Introduction

SAP stands for Systems Applications and Products in Data ProcessingSAP SE is a German multinational software corporation that makes enterprise software to manage business operations and customer relations. Today Large number of companies are using SAP software to manage their day to day business activities.

SAP modules
  • SAP was founded around 1972 by five IBM engineers Hopp, Wellenreuther, Hector , Tschira and Plattner.
  • There are different products of SAP.

  1. SAP R/3 and R/3 enterprise.
  2. SAP business suite.
  3. SAP ERP (Enterprise Resourse Planning).
  4. SAP industry Solutions
  5. SAp xApps.
  6. SAP solution Manager.

  • There are different versions of SAP.

  1. SAP R/1.
  2. SAP R/2.
  3. SAP R/3.

  • Here R Stands for real time processing.
  • Basically the SAP is a 3 layered architecture.(Presentation - Application - Database) 
  • All these versions differ by the combination of these layers. 

SAP R/1

It is one tier architecture in which three layers are installed in one system/server.

SAP R/2

Here there are two system/server.The presentation and Application layer is combined to form one layer. and there is separate layer for database.

SAP R/3.

Here all the three layers are installed on 3 different server systems.

There are different Modules in SAP which are divided into two categories

  1. Functional Modules.
  2. Technical Modules.

Functional Modules of SAP.


  • FICO- Finance & Control.
  • PP- Production Planning.
  • MM- Material Management.
  • SD- Sales & Distribution.
  • HR- Human Resource.
  • CRM- Customer Relation management.

Technical Modules of SAP


  • ABAP- Advanced business application programming.
  • XI- Exchange Infrastructure.
  • Net Viewer
  • Basis
  • BIW - Business information warehousing.


In the next article You will learn about Introduction to SAP (ABAP) Advanced Business Application Programming 


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