Answer Posted / sasmita panda

If we need to change certain attributes of a mapping after
every time the session is run, it will be very difficult to
edit the mapping and then change the attribute. So we use
mapping parameters and variables and define the values in a
parameter file. Then we could edit the parameter file to
change the attribute values. This makes the process simple.
In a mapping parameter we need to manually edit the
attribute value in the parameter file after every session
run

Session parameters are like mapping parameters, that
represent values you might want to change between sessions
such as database connections or source.


Yes it is possible to create 3 parameters at a time.

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