how to retrive the max(sal),deptno,empno in datastage?
Answer Posted / subbuchamala
SRC--> COPY stage--> 2 o/p links from COPY Stage-->
one is --> AGGREGATOR and other is --> JOIN-->TGT
-->In AGG Stage:
set group=DEPNO
aggregator type=calculation
column for calculation=SAL
max value output column=SAL
-->O/P of AGG Stage:
SAL(max(sal), DEPNO
-->In JOIN stage:
Inner Join on DEPNO and SAL and get the EMPNO as well.
By doing this, we get Max(sal) of the employee on particular DEPNO.
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