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[SAP ABAP] Data declaration

After learning about the objects in the Data Dictionary, we can  start  talking about the syntax declaration in ABAP. The easiest way to declare variables is as follows: Copy data: lv_first_variable TYPE c. Variables are named data objects that are used to store values within the allotted memory area of a program. It is good practice to properly name local variables. It is assumed that the first two characters in the variable name determine its use. The first letter indicates whether the variable is global or local. If the local variable starts with  l , then in the case of global variables,  g  is the first letter. The second character determines what type the object is: Variable :  v Line :  s Internal table :  t Each variable must have a type that describes what is stored inside. A variable may have the following types: Elementary types References User-defined types Generic ABAP types In the ABAP language, you can use predefined types to define local data
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[SAP ABAP] BAPI

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BAPI BAPI is a standard  interface  that is available in every SAP system. This interface has been designed to access data from the third system (SAP ERP, SAP CRM, other systems). BAPI is a remotely activated function module and can be called by applications that are implemented, for example, in Java. Additionally, the BAPI architecture allows the use of business logic, validation, and checking permissions, which are  available  in the business object level. BAPI is registered in the  Business Object Repository  ( BOR ). Implementing BAPI BAPI is relatively easy to implement. However, the  programmer  must remember some important rules when creating the interface. We will describe these rules next. The first step of implementing BAPI is to create a function module in  SE37  Tcode (transaction code ). To do this, navigate to  Function module   | Attributes , and select the options that are displayed in the following screenshot: If a user requires input data for
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[SAP HR] Payroll Schema

Schemas and Functions Schemas ( Use tcode PE01 ) is a collection of functions executed in a specific order Schemas are stored in T52C0 (SAP standard) / T52C1 ( Customer created) Example is X000 ( X stands for International ) Another Example is L000 ( L stands for Malaysia ) Functions ( Use tcode PE04 ) WPBP a common function used to process IT0, IT1, IT7, IT8 Wagetypes   Wagetypes are used to store a rate/number/amount. It ends up as an object in the payroll result database. It can be earnings, deductions, taxes. Wagetype attributes are stored mainly in T512W. 3 types of Wagetypes:- Model Wagetypes = Start with a letter. Wagetype M320 is a sample wagetype. To implement for customer, it is copied to 0001 for example Technical wagetypes = Start with /. Used for very specific processing. Not advisable to edit/delete this type of wagetype. These wagetypes are used during calculations and cannot be seen in Infotypes User wagetypes = Starts with a number. Will not be
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