ksa_rama

 Profile Answers by ksa_rama Questions by ksa_rama

• Aug 6th, 2008

 

A data integration system combines the data residing at
different sources(ex.oracle,db2,teradata) and provides a unified, reconciled view of the data for the ETL process

Sirini

 Profile Answers by Sirini 

• Jun 14th, 2009

 

Data Integration is a process in which data from disparate, homogeneous or heterogeneous systems is cleansed, aggregated, consolidated, de-normalized and loaded into a single database or data warehouse after applying business rules.

tisha24

 Profile Answers by tisha24 

• Oct 22nd, 2009

 

Data from different sources (like flatfiles, CSV, oracle, db2,teradata, mainfraes etc.) are extracted and transformed in to a single specific pattern (unique structure) and is know as integration of data.

The ETL tools like datastage, informatica and pentaho (open source) are used to convert the data from different format to unique format.  

OM PRAKASH JHA

 Profile Answers by OM PRAKASH JHA 

• Sep 7th, 2010

 

Data integration involves data combining in different residing in different sources and providing users with a unified view of these data.This process becomes significant in a variety of situations both commercial and scientific (combining research results from different bioinformatics repositories, for example). Data integration appears with increasing frequency as the volume and the need to share existing data explodes.It has become the focus of extensive theoretical work, and numerous open problems remain unsolved.