TrendlineX

Every layer is maintained and develop independently so it's highly scalable. But, compatibility should be kept in mind!

3/ Database Layer In this layer al the persistent data is stored in a database. It 's managed by an RDBMS: Relational Database Management System E.g.: SAP HANA, Oracle, MSSQL, SAP MaxDB, ..

What are the three-tiers in SAP 's client-server system architecture since the introduction of SAP R/3? 🧵

/7 Forms For pulling data out of the database and present it to a user, but unlike reports it is not used to present the data in a report output but in a form output. Typically used when a physical version of documents is needed (e.g., invoices).

6/ Extensions For extending functionalities of a SAP system via - modifications, - customer enhancements or - customer developments.

1/ What is ABAP and what can you do with it? 🧵 ABAP is a programming language for developing applications on the SAP NetWeaver Application Server.

Customer developments: Developing applications in the SAP system.

Customer enhancements: Enhancing standard SAP applications without chaning source code.

3 ways to change SAP software: 1- Modifications 2- Customer enhancements 3- Customer developments