what is an ETL or ETT? And what are the different types?
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Difference between flat files and relational sources?
what are the cubes developed in a sap bw project and what is the requirement for developing it?
Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.
What is the difference between Data Warehousing and Data Mining?
what happens if the info.server doesn't find the session parameter in the parameter file?
How to delete data which is not in source table?
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what is meant by drill through?(Mascot)
when will use SQL override in a lookup transformation?
What are the steps involved in etl process?
How many types of transformations supported by sorted input?
Explain what are the various etl tools in the market?
give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.