Informatica data integration platform

INTRODUCTION :

Informatica is a data integration/ETL tool. It collects data from different sources and loads it into exclusive targets. It just moves data from one place to another, but does not store anything. Informatica utilizes a service oriented architecture, that carries the ability to promote services and resources over various machines. Informatica is a tool used for extracting, transforming and for loading process. It is a easy to use tool where it has got simple visual interface like visual basics. Informatica is a broadly used ETL(Extraction, Transformation and Loading) tool for extracting the source data and loading it into the target after applying the needed transformation. The Informatica PowerCenter tool for ETL is also known as Informatica. Informatica Powercenter does majorly the job of Data integration. It can connect & gather data from distinct heterogeneous source and process the data.

What is Informatica technology?

Imagine going through thousands of lines of stored procedures when visually debugging a few mappings is handy.To overcome the problem, Informatica technology and its tools provide monitoring features and a UI for building a logic and out of the box connectivity to multiple sources and targets.

Who Owns Informatica?

Informatica Corporation is the world’s leading Independent provider of Enterprise Data Integration software and services. Around the world, enterprises rely on Informatica to acquire potential information and manage top business imperatives.

What are ETL Tools used for?

ETL tools are unique and incomparable. The action of Extracting, Transforming, and Loading significant data into the data warehouse is organized and evaluated for substantial business intelligence that governs the success of business policies.

ETL is all about simply getting data, altering it, then sending it somewhere else.

Extraction – get data from any Source viz. files, database tables, etc.

Transformation – transform the data obtained from source.

Load – This transformed data is ready to load anywhere known as Target.

The most recent version of Informatica PowerCenter is 9.6.0.Below are the different versions for the PowerCenter:

1. standard edition
2. premium edition
3. Advanced edition

With the help of Informatica we can extract data from its sources, converting it as it concerns business needs and storing it into a targeted data warehouse.Informatica makes use of service driven architecture that has the capacity to divide services and sources among various machines.Samsung, Allianz, Fannie Mae, ING, and U.S Air Force are some of the major clients who use Informatica Powercenter as a tool for data integration. The popular tools available in the industry that rival Informatica are Microsoft SSIS, Ab Initio, Oracle OWB and IBM Datastage

Pro’s:

1. Communicates with all major data sources
2. Handles large data effectively
3. Reuse-ability of the product
4. Resources are available in the market all throughout
5. Can be run on Windows or Unix environment.

Con’s:

1. If one users are not aware of handling large data at a time, then it will be time consuming and will lose most of the data that is needed by other members of the group
2. If the software is not able to use in windows or unix format, then it will be difficult to store a large number of data that are accurate and useful.
3. The users have to make sure that their systems have supports the file. Otherwise it will be a great loss.

Informatica Interview Questions:

1. What do you mean by Enterprise Data Warehousing?
2. What the difference is between a database, a data warehouse and a data mart?
3. What is the difference between a repository server and a powerhouse?
4. How many repositories can be created in informatica?
5. What is complex mapping?
6. How can one identify whether mapping is correct or not without connecting session?
7. How can repository reports be accessed without SQL or other transformations?
8. What are the types of metadata that stores in repository?
9. How can you validate all mappings in the repository simultaneously?
10. What is a mapplet?

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