Informatica is software development tool that provide data integration products such as ETL, data masking, master data management, data replica, data quality, data virtualization. Informatica power center ETL/Data integration tool is most popularly using tool in Informatica. Power center tool in ETL and it is used for the ability to connect the data and also for to fetch the data from different source to process a data.
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Informatica Architecture: Informatica Architecture is classified into two components, they are
Server Components: In the server, components is consists of two servers:
• Repository server
• Informatica server
Repository server: Repository server is used to maintenance the connections with power center and clients for power center repository and separate in a multi-threaded process, insert the metadata inside repository and updates, Responsible the fetch data and maintain the consistency inside in repository metadata.
Informatica server: Informatica server is an executing engine in tasks that are created in Informatica and a user executes in workflow Informatica suggests integration service execute the workflow. It reads Informatica server workflow and its repository once execution is completed, the task status is updated after completion in execution the workflow log and session log is generated.
Client Component: In the client, a component is divided into four ways They are:
• Workflow Designer
• Workflow Monitor
• Workflow Manger
• Repository Manager
Clients will be access to repository by using repository service only and managing a repository exists in informatics server called repository server. Single repository service handles only one repository and it will execute on multiple nodes, to increase the performance. It uses locks on the object so multiple users will not modify the same object at the same time.
In repository, Objects that are created in the following three states.
Impacted: Impacted objects is a child object that are invalid in a mapping while using a reusable transformation object, becomes invalid in the mapping it will marked as impacted.
Valid: Valid objects are used to correct the syntax on Informatica and they are used in the execution of workflows.
Invalid: Invalid objects do not adhere to the standard or specified rules .if any object is saved in Informatica, it will check the syntax and properties are valid or not.
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What are typical use cases for Informatica?
• In organization migrate the existing legacy system mainframe to a new database system, so it migration on existing data into the system will be performed.
• Enterprises maintenance Data Warehouse for an ETL tool is to move data from the production system to Warehouse.
• Data is used to integrate from several systems to multiple databases and informatics uses a file based system.
• Informatica will be used as a data cleansing tool.
Why should we need information?
Informatica comes into the picture, whenever we have a data system containing at the backend we need to perform particular operations on the data. It may be like cleaning up of data and also for modify the data based on the certain rules or modify the huge data from one system to another system.
Informatica provide a rich set of operations on at row level data for the integration of data from multiple structured, scheduling of data operation, semi-structured or unstructured systems .It also contains the feature of metadata and the information about the process and data operations are preserved.
Scope to the Informatica:
• IT Architects and Software Developers
• Business Reporting Professionals and Designers
• Testing Professional and Analytics
• Entry level developers and data professionals interested to build the career in Visualization and Analytics.
To learn Informatica one should have some knowledge on ETL, Data Warehousing, and Business Intelligence concepts.
Basic knowledge should be aware of RDBMS concepts andshould know about SQL other than that nothing required, that because any information will be retrieved by the SQL.
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