Hi I have two sources like A, B. My source A contain 10000
million records from that i need 20 attributes. My source B
has also same 10000 million records from that i need only 1
attribute. By using Joiner i have to load into target? Is
there any issue regarding this? if issue is there how to
tune this mapping in best way?
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Answer / anu
IF 2 SOURCES ARE RELATIONAL USE SQ T/R
WRITE MANUVAL QUERY
first connect requrired 16+1 attributes to furter t/r or target
select required columns and in where condition write matched condition
if there is no common column go to joiner create sequence in both sources then compare sequence in join vondition
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / muni
take B table as master....A table as a detail.... so we can reduce serch process in joiner
than based on which column we are going to do join create a index on it
i hope it will give gud per'mance
if i i am worng plz create it
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wat s mapping parameter and mapping variable? how do you set that in a mapping?
Let’s say I have more than have record in source table and I have 3 destination table A,B,C. I have to insert first 1 to 10 records in A then 11 to 20 in B and 21 to 30 in C. Then again from 31 to 40 in A, 41 to 50 in B and 51 to 60 in C……So on up to last record.
What is a diff between joiner and lookup transformation
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