What is the difference between conversion and interface

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  • Sep 24th, 2007

Conversion is the one time process and interface is periodical process...

To say simply, the data of existing customers is loaded from one ERP to another ERP is called Conversion....And  the transactions against the customers will be loaded daily or weekly or monthly is called interface.

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There is very major difference b/w conversion & interface.
data conversion is receiveing data from a legacy syatem ,validating it &  converting to our targat module using the import program.

Interface is used to transfer data from legacy system to oracle system.

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  • Oct 3rd, 2013

A simple example would help I guess,

Suppose we have a mainframe system which is having / holding all the data of a company and there is a website which feeds data into the mainframe system (WWW.IRCTC.CO.IN)

Now Our Indian Railways has decided to use Oracle, now starts the game

Conversion - They have to first extract all the data which is lying in mainframe database into Oracle Apps, so that process is called conversion

Interface - Our very own website WWW.IRCTC.CO.IN which was earlier feeding data into the mainframe system has to now feed into Oracle, so certain technical and functional work has to be done, so that from now on the data is fed into Oracle and not mainframe, this work is called interface.

Hope it helps friends :)

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Naresh Bandla

  • Jun 24th, 2015

Interface and Conversion are used to migrate the system from Legacy system to Oracle system. Below are few differences between Interface and Conversion.
Interface :
1. Interface is periodic activity , it may be daily or weekly or monthly or quarterly or Yearly .
2. Both Legacy system and oracle system are active.
1. Conversion is one time activity.
2. All the data will be transferred into oracle systems one time.
3. Legacy system will not be after conversion process.


  • Feb 16th, 2016

Means in interface there is no validating the data?

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Oracle APPS Technical

  • Mar 7th, 2016

Hi Hazee,
There will be validations while conversion and also during the interface as the Oracle will not accept all the raw data fed into it.

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  • Mar 21st, 2016

Conversion is an one time activity, while the interface is on going activity. Both can have set of validations to get the valid data. Conversion is mainly between ERP and the Legacy System, however the Interface can be between ERP and Legacy or one ERP module to other. Conversion is basically of inbound type, however Interface can be of both types inbound and outbound

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  • Aug 1st, 2017

Conversion is one time process which is done when system is upgraded to new version whereas Interface is routine process

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