SM51 Application server instances
Optimization of the SAP infrastructure
The definition, organisational structure as well as the naming of the SAP basis is historically conditioned by previous SAP software versions and components. This also results in the perception of the SAP basis and the related focus of the SAP NetWeaver and the ABAP system core, which is still widely used today. However, the scope of activities has changed significantly in terms of tasks and technology and will continue to change in view of SAP's perspective and product strategy and the changing roles of IT. In order to accommodate this change and to change perceptions both in the overall context of the SAP ecosystem and within its own company, the SAP basis must develop a new self-understanding and establish a marketing for the publication of its own performance. The underlying information can be found in the master thesis in chapters 7.4 and 9.2.
In the area of SAP Basis it is necessary to make temporary changes in the security settings of the clients and systems in the course of system updates. You can use the system changeability variable to specify whether changeability of cross-client data, such as programs or menus, as well as client-independent customizing is allowed.
SAP Basis is structured in the form of a three-layer model and consists of the following components:
The database layer is used to store all company data and consists of the database management system (DBMS) and the data itself. In each NetWeaver system there is a database server on which the SAP database is located. It provides all other applications with the necessary data. The data is not only data tables, but also applications, system control tables and user data. All basic components ensure that the user has fast and reliable access to this data.
Understanding the structure and functioning of the system is especially important for IT administration. It is not for nothing that "SAP Basis Administrator" is a separate professional field. On the page www.sap-corner.de you will find useful information on this topic.
In the database, which is located on a database server, all data of a company is saved. Application programs pull the data they need from the database. This data can consist of data tables, applications or system control tables. In addition, the database also takes new information from users and backs it up.
Some missing SAP basic functions in the standard are supplied by the PC application "Shortcut for SAP Systems".
Creating users, assigning roles, locking and unlocking users, etc.
However, SAP software has changed a lot since the introduction of HANA in 2010, and with that, the SAP system administrator's job has changed as well.
The freeware Scribble Papers is a "note box" in which all kinds of data can be stored. It takes in typed texts as well as graphics and entire documents. The data is then organised in folders and pages.