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The
name SAP is acronym for Systems, Applications & Products in
Data Processing (in English) was founded by five former IBM employees in 1972.
One year later, the first financial accounting software, forming the basis for
the continuous development was get completed, which later on was know as the
"R/1 system. Here" "R" stands for real-time data processing. By the end of the
decade, SAP R/2 came into world. SAP R/2 was a mainframe like DB/2 based
business application software that was very successful in the 1980s and early
1990s. It was particularly popular with large multinational European companies
who required soft-real-time business applications, with multi-currency and
multi-language capabilities built in.
SAP R/3 a client-server version
was officially launched on 6 July 1992 which was manageable on multiple
platforms and operating systems, such as Linux, opened up SAP to a whole new
customer base.
SAP R/3 is perhaps the best known ERP (Enterprise Resource Planning) system on
the market. SAP R/3 is a client/server based 3-tiered application. It has
Presentation layer - interfaces with the user
Application layer - Have all the business-specific logic
Database layer - records and stores all the information about the system,
including transactional and configuration data .
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ABAP the
Advanced Business Application Programming is a programming language for
developing (to tailor and enhance SAP applications) applications for the SAP R/3
system. ABAP is one of many application-specific fourth-generation languages
(4GLs) first developed in the 1980s. By 2001, all but the most basic functions
were written in ABAP. In 1999, SAP released an object-oriented extension to ABAP
called ABAP Objects, along with R/3 release 4.5.
ABAP/4 is the language created by SAP AG for implementation and customization of
their R/3 system.
The rough English translation of the acronym would be A Business
Application Programming language, version 4. It is a block-structured language.
ABAP/4 contains some highly report-oriented event-driven control
structures.
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