Server jobs. These are available if you have installed DataStage Server. They run on the DataStage Server, connecting to other data sources as necessary.
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Parallel jobs. These are only available if you have installed Enterprise Edition. These run on DataStage servers that are SMP, MPP, or cluster systems. They can also run on a separate z/OS (USS) machine if required.
Server jobs: These are compiled and run on DataStage Server
Parallel jobs: These are available only if you have Enterprise Edition installed. These are compiled and run on a DataStage Unix Server, and can be run in parallel on SMP, MPP, and cluster systems.
in server jobs we have few stages and its mainly logical intensive and we r using transformer for most of the things and it does not uses MPP systems
in paralell jobs we have lots of stages and its stage intensive and for particular thing we have in built stages in parallel jobs and it uses MPP systems
The Main Diffrence is In Server job There are limited Stages So Mostly the Transformer is used but In Parallel lot of stages is there so the using of Tranformer is less This is because of Performance issue
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