Why we use lookup transformations?
Answer / guest
we use lookup transformation to lookup data in a relational
table ,view or synonym.and by using lookup transformation
we can perform the following jobs
-to get the related value
-to perform the calculations
-to update the slowy changing dimentions
| Is This Answer Correct ? | 3 Yes | 1 No |
What is a command that used to run a batch?
i have f;latfile source. i have two targets t1,t2. i want to load the odd no.of records into t1 and even no.of recordds into t2. what is the procedure and whar t/r's are involved and what is the mapping flow
to improve the performance of aggregator we use sorted input option and use sorter t/r befor aggregator. But here we are increasing one more cache in our mapping i.e; sorter. So how can u convince that you are increasing the performance.?
What is a code page?
what are the challenge face in u r project?explain me
Explain the difference between mapping parameter and mapping variable?
how to use incremental load?
when do we use static cache and when do we use dynamic cache in lookup transformation? with example.
how to load first record of first time run,second record to 2nd time n 3rd record from 3rd time to target table
What are the different lookup cache(s)?
What is complex mapping?
explain abt ur project architecture?
0 Answers Anthem, DELL, IBM, TCS, Wipro,