In Which Transformation We Can Use Having Clause In Informatica?
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What are dimensions?
Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?
how many steps are there in etl process?
hoe to access second value in mapping parameter if it is having more than one value ?????????????
Do we need an ETL tool? When do we go for the tools in the market?
Can we create Hierarchies in generic datasources?
Difference between flat files and relational sources?
What is a materialized view log?
what is Forward,Reverse and Re_engineering?
How to fine tune mappings?
how do u identify the changed records in operational data?
What is virtual Data Warehousing?