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Q. What is t-RFC? Describe it in Detail and Demonstrate that how SAP LUW can be achieved with the help of t-RFC.

Ans – it is one of the Bundling techniques to achieve the SAP LUW.

It has following Property –

1.It is run Exactly Once in Reciever System.

2.Reciever system may not be available all the time to receive the t-RFC call.

3.Each t-RFC call is identified with unique ID is known as TID.

4.If the receiving system is not available within certain time to receive the call then the t-RFC call gets scheduled to get execute in batch job by program RSARFCSE

5.This Program is by default set to run at 15 minutes interval. This program is written in such way that whenever it runs it tries for 30 times to send a t-RFC call to receiver system. The Attempt count can be changed under enhancement programs SABP0000 and SABP0003

6.All the T-RFC failed Call can be seen under SM59 t-code.

7.Tables –

           ARFCSSTATE => Name of the destination

           ARFCSDATA  => Import Parameters/ Export Parameters / Tables etc.

Please watch the youtube videos Series to understand in detail about trfc on below link -

Click here for youtube t-rfc video tutorial in easy to undertand way..

Q What is MESH and Meshes in SAP ABAP?

Ans- These are special structures. Their components (referred to as nodes) are either structured internal

tables or reference variables that point to structured internal tables.

Meshes: It’s instance of the mesh type.

Please watch below videos to understand in detail - 

Class 2 - Migration to HANA Best Practices, Hana Evolution by SPS, HAN...

ABAP ON HANA - Demo Cum Class 1

SY TABIX and SY INDEX

Q18 What are different types of design pattern in OOPS