INFORMATICA POWERCENTER 9.1 BASICS PDF

It is a separate multi-threaded process, and it fetches, inserts and updates the metadata inside the repository. Informatica Architecture Tutorial So the client tools must have network connectivity to the server. Domain Configuration As mentioned earlier, domain is the basic administrative control in Informatica. It consists of database tables that store metadata. There are two types of services in Domain Service Manager: The password is set during the Informatica installation.

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It can manage user and groups. We can create, delete, and edit repository users and user groups. We can also assign and revoke repository privileges and folder permissions. It is organized first by repository and then by folder.

The columns in this window change depending on the object selected in the Navigator. This is where we interpret the various business requirements by using different PowerCenter components called transformations, and pass the data through them transformations. The Designer is used to create source definitions, target definitions, and transformations, that can be further utilized for developing mappings.

Fig: Informatica PowerCenter Designer Informatica PowerCenter Workflow Manager It is an ordered set of one or more sessions and other tasks, designed to accomplish an overall operational purpose.

It executes a series of Mappings as Sessions and other tasks. In the Navigator, the Workflow Manager displays a red icon over invalid objects. You can create, edit, and view tasks, workflows, and worklets. It contains tabs to display different types of output messages. The Output window contains the following tabs: Displays messages when you save a workflow, worklet, or task. The Save tab displays a validation summary when you save a workflow or a worklet.

Fetch Log. Displays messages when the Workflow Manager fetches objects from the repository. Displays messages when you validate a workflow, worklet, or task. Displays messages when you copy repository objects. Displays messages from the Integration Service.

Displays messages from the Repository Service. Tasks created in the Task Developer are reusable Worklet Designer It creates objects that represent a set of tasks. Worklet objects are reusable. The Workflow Manager also displays a status bar that shows the status of the operation you perform. The following figure illustrates how a typical workflow looks like including the Start task, Link, and Session task components.

Workflow Monitor can be used to: View details about a workflow or task run in Gantt chart view or task view Run, stop, abort, and resume workflows or tasks The Workflow Monitor displays workflows that have run at least once.

It also fetches information from the repository to display historic information. Informatica Administrator console the Administrator tool is available after Informatica installation.

Fig: Informatica Administrator Console The Administration Console performs the following tasks in the domain: Managing application services: It manages all application services in the domain, including the integration service and repository service. Configuring nodes: It configures node properties including backup directory and resources.

It allows the nodes to be shut down and then restarted as well when required. Managing domain objects: It creates as well as manages objects such as services, nodes, licenses, and folders. Viewing and editing domain object properties: It allows properties for all objects in the domain to be viewed as well as edited within it. Security administrative tasks: Manage users, groups, roles, and privileges. Viewing log events: It uses the log viewer to view log events of domain, integration service, SAP BW service, web services hub, as well as repository service.

Fig: Administrator console-Interface So, in nutshell, client component of Informatica comprises of 5 components viz. It forms the form-work of the entire tool. Lets now try to understand the Server component of Informatica PowerCenter. It retrieves, inserts, and updates metadata into the repository database tables.

Integration service: The Integration service runs sessions and workflows. Web services hub: The Web services hub receives requests from web service clients and exposes PowerCenter workflows as services.

Now that we have understood both client and server components of Informatica, the following info-graphic will explain the flow of data in Informatica i. So lets take a moment to understand them before we perform a handson on Informatica. All PowerCenter processes run as services on a node. Informatica PowerCenter has two types of services: Application Services represent server based functions including Repository and Integration Services.

Core Services represent functions that manage and maintain the environment in which PowerCenter operates and include services like Log Service, Licensing Service, and Domain Service amongst many others. Given a customer source system which contains the Customer ID, Name, City, State and Country details of the customers, We need to create a new entry in the target dimension table every time a customer comes with a different value. This is achieved by the use of SCD solution based target table.

Step 1: Open PowerCenter Designer.

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