please can anyone explain with simple examples for trunk branch tag and difference between them and usage also
I guess you talking about SVN repo.
For the SVN:
trunk - this is the main line of the development.
branch - is the "branch" from the main line (trunk) done in some time point and could be used for development some extra functionality/ bugfix etc.
Introduction to Talend Open Studio for Data Integration.
Practical steps to developing your data integration strategy.
Create systems and workflow to manage clean data ingestion and data transformation.