DSXchange

In how many possible ways can call routines in datastage?

The replies in your other post on this topic remain pertinent.

There is precisely one way to call a parallel routine from DataStage, and that is from a parallel Transformer stage (or, perhaps, from a custom stage type). And, of course, one routine can call another, but I don't count that as "from DataStage".

There are very many ways that server routines can be called; in parallel jobs these include:

• as before/after subroutines
  
  from BASIC Transformer stages
  
  from server Transformer stages in server Shared Containers
  
  as before/after subroutines in active stages in server Shared Containers