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Explain the key challenges that you face while performing etl testing.
where we cannot use sorter Transformation. if we use then we will not get correct data?
Explain about etl data integration software?
what are the concerns of OLTP and DSS systems?
explain the methodology of Data Warehousing?(Polaries)
what is the meant by Normalization and de-normalization?
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?
A session S_MAP1 is in Repository A. while running the session error message has displayed `server hot-ws270 is connect to Repository B`.what does it mean?
What is partitioning? Explain different types of partitioning?
what is Forward,Reverse and Re_engineering?
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
Hi Guys, my requirement is to load 1 yr data from oracle to teradata database through abinitio etl graph.i need to schedule this as a monthly job.but i want to load 12 month data for the first time and from second time it should load last (recent) month data and delete 13th month data. For example For the first time it should load 201208 to 201108 data, second time it should delete 201108 month data and load 201209 month data. I developed garph to load 12 month data ,but i don't know how to handle above requirement as am new to abinitio. i greatly appreciate you help.Thank You.
what is session partitioning?
what are the concerns of OLTP and DSS systems?
can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge
