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What are dimensions?
how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
What are snapshots? What are materialized views & where do we use them? What is a materialized view log?
Do we need an etl tool?
What are the types of Data Warehouse applications?
what are the facilities provided by data warehouse to analytical users?
Explain the use lookup tables and Aggregate tables?
Identifying the bottlenecks in various components of Informatica and resolving them.
please tell me any easy ways of testing the Data warehouse project. In my project we are not using any tools for ETL. we are writing scripts in SCRIPTELLA. And we using Pentaho tool for Reporting How can i test all these. please tell me ASAP. thanks in adavance
What are the etl testing operations includes?
What is etl process. How many steps etl contains explain with example?
can be used COM component in Informatica ?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
Explain about enterprise scalability and roi of data integration suite?
