What are the three tiers in etl?
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how do u really know that paging to disk is happening while u are using a lookup transform?
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What are the names of the layers in etl?
what is architecture of your datastage project??? i came across this question many times in interviews in specific what can i answer plz help me.
what is the difference between normal & bulk loading? and which one is recommended ? why?
What is cube grouping?
what are the concerns of OLTP and DSS systems?
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
how many maximum session supports to multiload in teradata ??
What are the different etl testing categories as per their function?
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.
Compare etl & elt?