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Answer Posted / gopi
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explain the methodology of Data Warehousing?(Polaries)
diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture
how do u identify the changed records in operational data?
What are the steps involved in etl process?
What are cubes and olap cubes?
What is data cleaning?
What are the types of Data Warehouse applications?
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.
where we cannot use sorter Transformation. if we use then we will not get correct data?
what is the difference between cardinality and Nullability?
tell me few points when u become TL
Define Dynamic push down optmization?
what are the reporting tools and difference between them?
what is pmrep command?
What are the differences between sql override and update override?
