Manish
Answered On : May 18th, 2005
Session: A session is a set of instructions that tells the Informatica Server how and when to move data from sources to targets.
Mapplet: Mapplet is the set of transformation which we can make for reusability.It is a whole logic.
Workflow: it is the pipeline which pass or flow the data from source to target.
Login to rate this answer.
Praveen
Answered On : Aug 14th, 2005
A mapping represents dataflow from sources to targets.
A mapplet creates or configures a set of transformations.
A workflow is a set of instruction sthat tell the Informatica server how to execute the tasks.
A worklet is an object that represents a set of tasks.
A session is a set of instructions to move data from sources to targets.

1 User has rated as useful.
Login to rate this answer.
dunael
Answered On : Aug 29th, 2005
Mapping - represents the flow and transformation of data from source to taraget.
Mapplet - a group of transformations that can be called within a mapping.
Session - a task associated with a mapping to define the connections and other configurations for that mapping.
Workflow - controls the execution of tasks such as commands, emails and sessions.
Worklet - a workflow that can be called within a workflow.
Login to rate this answer.
Session - a task associated with a mapping to define the connections and other configurations for that mapping.
Workflow - controls the execution of tasks such as commands, emails and sessions.
Worklet - a workflow that can be called within a workflow.
Mapping - represents the flow and transformation of data from source to taraget.
Mapplet - a group of transformations that can be called within a mapping.
Cheers,
Sithu
Login to rate this answer.
hkkhhkhkhkh
Answered On : Jun 1st, 2006
with out knowing these what can u do?
Login to rate this answer.
Naveen
Answered On : Aug 22nd, 2011
mapping :-set of transformations.And moving data from source to target along with transformation s
session :-set of instructions source addresses and target address u write it
worklet:- set of sessions
Login to rate this answer.
kotesh chowdary
Answered On : Aug 26th, 2011
SIMPLY to say::::::::::::::::::
worklet : set of sessions
mapplet : set of transformations that can be called within a mapping
Login to rate this answer.