Answer / Alok Chaudhary

Data Vault is a data architecture method designed by Dan Linstedt. It's an enterprise-wide, hubless, data warehousing architecture that focuses on creating a single version of the truth, enhancing agility, and enabling business intelligence.

what is the difference between cardinality and Nullability?

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how do use session mapping parameters ?(in which transformation)

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Explain about round-robi?

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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 is a lookup table in etl?

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Identifying the bottlenecks in various components of Informatica and resolving them.

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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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when will use SQL override in a lookup transformation?

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What are the etl testing operations includes?

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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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Define slowly changing dimensions (SCD)?

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What are the key benefits of ETL Testing?

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