What is data modeling and data mining?

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What are the etl testing operations includes?

0 Answers  

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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.

2 Answers   IBM, Tech Mahindra,

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Difference between flat files and relational sources?

0 Answers   Satyam,

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what is meant by drill through?(Mascot)

1 Answers  

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What are the different etl testing categories as per their function?

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list the transformation used for the following:Heterogeneous sources,Homogeneous sources,Find the 5 highest paid employees with in a dept,create a summery table,generate surrogate keys

2 Answers  

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Knowledge on what are the improtant characteristice that we need ot consider while developing an ETL Code

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what is the difference between normal & bulk loading? and which one is recommended ? why?

2 Answers  

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indatastage 8.1 surrgoate key generates seqences numbers write but there is limite value i want to reset the seqence after gettting some highest value like i want o/p like this 1 2 3 4 5 .............10000 1 2 3.........10000

1 Answers   TCS,

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Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.

0 Answers  

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Explain what are the various etl tools in the market?

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