Explain the aggregator transformation?
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What are the options in the target session of update strategy transsformatioin?
What are the mapping paramaters and mapping variables?
when we go for unconnected lookup transformation? and why?
Differentiate between a repository server and a powerhouse?
create a mapping to retrieve the employees who are getting salary greater than average salary?
My source contains 10 records with 5 columns.What happens if I select group by all columns in Aggregator T/R?
How do you avoid duplicate records with out using source qualifier,expression,aggrigator,sorter and lookup transformations ?
What are the types of schemas we have in data warehouse and what are the difference between them?
I have a source either file or db table Eno ename sal dept 101 sri 100 1 102 seeta 200 2 103 lax 300 3 104 ravam 76 1 105 soorp 120 2 Want to run a session 3 times. First time: it should populate dept 1 Second time: dept 2 only Third time: dept 3 only How can we do this?
Mapping variables, parameters syntax, if you create mapping variables and parameters in mapplet can you use them in the mapping?
Quickly characterize reusable change?
What happens to map if we alter the datatypes between source and its corresponding source qualifier?