What is an ABAP? 

Retain -Specifies that retain should be invoked on the object upon assignment. takes ownership of an object

Assign - Specifies that the setter uses simple assignment. Uses on attribute of scalar type like float,int.

Various activities in SAP MM are : Inventory, Warehouse, Purchasing, Vendor evolution, Invoice varification, etc.

A scheduling agreement can be made for Consignment, Subcontracting and stock transfer. A contract, also known as a blanket PO, can be made for standard items and can be restricted to a Value or QTY.

Consignment stock is the material which is lying in the premises but is not owned by the company. It has no value assigned to it until it is taken into own stock. Once it is used in production or to be sold, it is taken into own stock.

LSMW is widely used by EDI programmers. EDI Programmers connect the SAP system to Non SAP system. During this Data migration is a necessity. When data migrates from source to destination the destination code is differrent from the source code. So what LSMW does is 

* Converts the data in to batch files

* Then converts the batch files in to source code batch files 

* And then mirgates data. Standard Interfaces like BAPI or Idoc are used in this process.

Support tickets are basically the problems that arise in day to day usage of SAP. 

So any sap fico consultant who is resolving the day to day production issues is actually supporting the tickets.

In an Interactive Report, user can define maximum 20 secondary lists.

BDC ----> Batch Data Communication 

Methods of BDC-----> Direct Input method, Batch Input Session method, Call transaction method.