1) Dialog or Online ( processes only one request at a time )2) Background ( started at a specified time )3) Update ( primary or secondary )4) Enque( lock mechanism )5) Spool ( generated online or during back ground processing For printing )
– An update request can be divided into one primary (V1) and several Secondary update components (V2). Time-critical operations are placed in V1 component and those whose timing are less critical are placed in V2 components. If a V1 update fails, V2 components will not be processed.
– Equal distribution of transaction load to the work processesManagement of buffer areas in main memoryIntegration of the presentation levelsOrganization of communication activies
– A work process is where individual dialog steps are actually processed and the work is done. Each work process handles one type of request.
– SAP dispatcher is the control agent which manages the resources for the R/3 applications.
Which interface converts SQL requirements in the SAP development system to those of the database ? – Database interface
– Presentation interface
– Presentation interfaceDatabase interfaceOperating system interface
Add a single record to a database table insert into values Inserting all lines from an internal table into a database table: insert from table Delete all records Select * from zmellemtab.delete zmellemtab.endselect. Deleting records using records from an internal table delete employees from table itab.
G/L accounts are also called Cost Elements in SAP. They are a classification by expense or revenue type. In the CO (Controlling) module of SAP, the term Cost Element is used. In the FI (Financial) module, the term G/L Account is used. These terms are used interchangeably for reporting, requisitions, and journal vouchers.