Answer / d s r krishna

Parameter files are created with an extesion of .PRM

These are created to pass values those can be changed for
Mapping Parameter and Session Parameter during Mapping run.

Mapping Paramters:
A Parameter is defined in a parameter file for which a
Parameter is create already in the Mapping with Data Type ,
Precision and scale.

The Mapping parameter file syntax (xxxx.prm).
[FolderName.WF:WorkFlowName.ST:SessionName]
$$ParameterName1 =Value
$$ParameterName2 =Value

After that we have to select the properties Tab of Session
and Set Parameter file name including physical path of this
xxxx.prm file.

Session Parameters:

The Session Parameter file syntax (yyyy.prm).
[FolderName.SessionName]
$InputFileValue1=Path of the source Flat file

After that we have to select the properties Tab of Session
and Set Parameter file name including physical path of this
yyyy.prm file.

Do following changes in Mapping Tab of Source Qualifier's
Properties section
Attributes values

Source file Type ---------> Direct
Source File Directory --------> Empty
Source File Name --------> $InputFileValue1



Thanks

Answer / bhaskar

Parameter file is one which contains the values of mapping
variables.
type this in notepad.save it .
foldername.sessionname
$$inputvalue1=

in the session properties,under parameter file path specify
the path where this notepad is saved

Answer / rahul

parameter file ---- we have parameters and variable.

we can use than in mapping, session and work flow.

session: to change the cache path
workflow ; to know the status of prev tast.
mapping: to maintain constant value or to use last upadated
value

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