Oracle Applications E-Business Suite introduction



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Oracle E-Business Suite ERP Applications familyOracle E-Business Suite is an Enterprise Resource Planning, which is also abbreviated as ERP. What exactly do we mean by an ERP? The three words themselves describe the meaning of this. You have an Enterprise that is a company, an organization, or even a small start-up. You need manpower to run this enterprise. Hence the word resource. In order to function effectively and efficiently, you need to manage and plan these resources.

In short, you need to plan your resources in your enterprise to meet the objective of your enterprise. Hence, you need an ERP. There are numerous benefits of Oracle E-Business Suite in today's world. Each business today has various aspects, and managing those aspects is, in its own way, very challenging. Almost every enterprise today is dependent on software technology and applications to perform their day–to-day operations.

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So in order to provide an integrated solution, Oracle has come up with a unified solution that helps in managing all facets of running a business on a single platform. Oracle E-Business Suite provides this capability. This helps businesses to make better decisions. In addition, it also reduces cost and in turn increases productivity and profits, which is the bottom line for all businesses.

Oracle E-Business Suite has a wide chain of applications as follows:

  • Oracle Customer Relationship Management (CRM)
  • Oracle Financials
  • Oracle Human Resource Management System (HRMS)
  • Oracle Logistics
  • Oracle Supply Chain Applications
  • Oracle Order Management
  • Oracle Transportation Management
  • Oracle Warehouse Management System

The following diagram is a pictorial representation of the Oracle EBS. In the following diagram, we have various applications across Oracle EBS such as CRM and Human Resource and modules such as self-service, which are used across all the applications of Oracle EBS.

Business Intelligence (BI) is the set of techniques and tools for the transformation of raw data into meaningful and useful information for business analysis purposes.

Local and vertical extensions are used in order to integrate, orchestrate, access, and analyze data and processes across applications. Local is within particular applications such as Human Resource, and vertical might be across other applications such as BPEL or other ERPs.

 applications of E-Business Suites

In addition to the preceding applications of E-Business Suites, there are a few other ERPs such as Oracle JD Edwards, Oracle People Soft, and so on, which are provided by Oracle. These also work on similar lines as E-Business Suite and each has their own architecture, as explained in later sections.


Oracle E-Business Suites Architecture

The following diagram shows the basic architecture of Oracle E-Business Suite:

basic architecture of Oracle E-Business Suite 

There are basically three tiers in the architecture:

  • The desktop tier
  • The application tier
  • The database tier


The desktop tier

For HTML-based applications, the client interface is provided via HTML. The traditional form-based application used a Java applet in a web browser for client interface. Thus, it supports form-based as well as web-based client interfaces.

There is also an emerging trend of using the Oracle EBS application on mobile phones and hence, various mobile interfaces to use Oracle EBS are coming up in the market which offer an interactive platform for end users.

The following diagram is a form-based desktop tier architecture:

form-based desktop tier architecture

The desktop tier is actually the starting point of accessing the application as seen in the preceding diagram. The Oracle E-Business suite home page is used to log in to the system. This home page can be opened on a desktop client web browser. For all applications, whether web-based, form-based or BI, this home page acts as a single point of access. The following screenshot shows the login page for Oracle applications.

login page for Oracle applications


Once you open the home page, it will ask you to enter your username and password. On the login page, there will also be an option to select the preferred language in which you want to use the system. Once you select a language, Oracle will retain this preference as you navigate through the system. This language is set for all the applications you use in the system, whether form-based or web-based.


The application tier

The application tier performs two jobs:

  • It acts as a host for servers/service groups. These are used to process business logic.
  • Also, it manages the communication between the desktop and the database tier. This tier is also known as the middle tier.

Three servers which form the basic application tier for Oracle E-Business Suite are as follows:

  • Web services
  • Form services
  • Concurrent processing server


The database tier

The Oracle database servers are part of the database tier. It stores all the Oracle E-Business Suite data. The data includes various objects of different types. This file format includes tables, indexes, and other database objects. The database server communicates with the services on the application tier, which in turn acts as mediator between the database and the clients. There is no direct link between the database and clients.

Thus, in the preceding section, you learned the architecture of Oracle apps.

In the next section, we will go into the basics of individual modules that are part of the Oracle EBS HRMS application.

The modules that are part of the Oracle HRMS suite are as follows:

  • iRecruitment
  • Core HR
  • Learning Management
  • Performance Management
  • Compensation and Benefits
  • Payroll
  • Time and Labor



The iRecruitment module deals with the recruiting process in an enterprise. It gives its stakeholders, that is hiring managers, recruitment HRs, and candidates, the ability to manage every phase of searching, recruiting, hiring, and tracking new applicants. These processes are entirely managed via a self-service interface.

The following diagram depicts the recruitment cycle usually followed in an organization. The most important entities in the recruitment process are a vacancy and an applicant. The meaning of vacancy in generic, layman terms is an opening for a job. This opening can be a new position that needs to be filled by the company, or it might be an already existing position that might have become vacant due to a person leaving that position.

 iRecruitment module


Core HR

The core HR module helps to manage the enterprise's work structures, that is, organization, grades, jobs, positions, and so on. This module is the most important of all the other submodules in HRMS, and also holds true for any other applications in E-Business such as Finance and CRM, as Core HR can be a source of data for other applications.

The work structure represents the different ways in which an employee can work in an organization. This is the framework for defining assignment for an employee. Work structure includes internal organizations (department, divisions, and business entity), payroll, jobs, grade, position, and so on.

The employee data is the most important entity that is captured using core HRMS. Core HRMS has the ability to hold data about current employees, ex-employees, applicants, contacts, and contingent workers.

When I say employee data, it holds information about the employee's organization, grade, position, job, payroll, location, and so on. Thus, we can conclude that core HRMS forms the basis of the Oracle HRMS application.

Unless we have core HR implemented, we will not be in a position to implement other modules of the Oracle HRMS suite.


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