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What is data cleaning?
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What are snapshots?
Explain what are the various etl tools in the market?
when u connect the repository for the first time it asks you for user name & password of repository and database both.But subsequent times it asks only repository password. why?
Hello all, Source Table(Flat File):- Target Table(Flat File):- Date Date 01/08/2008(DD/MM/YYYY) 01/08/2008 02/08/2008 03/08/2008 04/08/2008 05/05/2008 My requiremnt is this. I need to do it by informatica,Plz tell me how can i do it? Thanks
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 are the names of the layers in etl?
What do you understand by active and passive transformations?
two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
What are the different etl testing categories as per their function?
When you have 2 servers in two different time zone and if you need to extract data from 1 server and load it in another server, how do you go about it? Best method to be used.
Identifying the bottlenecks in various components of Informatica and resolving them.
where is the cache (lookup, index) created and how can you see it.
Teradata 
