If you concatenate data from a normalizer
transformation,the ports you concatenate cannot include
OCCURS(T/F).
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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
How to increase performance without changing anything in mapping.( In prod)
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Identifying the bottlenecks in various components of Informatica and resolving them.
What are the various tools used in etl?
Two default user groups created in the repository are____and_____.
in sap bw project at what scenario generic extraction is used and why explain and also tell why you used calendar day option explain?
what are the production issues in datastage?
Explain etl mapping sheets?
What are the ETL Testing Operations?
What are dimensions?
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.
Explain what is etl process? How many steps etl contains explain with example?
Teradata 
