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High Availability ( HA/DR ) concepts
If your system is already above SAP NetWeaver Release 7.0, then you must either import SAP Note 1731549 or a corresponding Support Package. Afterwards, when creating new users, it is no longer possible to assign user names that are only composed of variants of spaces or other invisible special characters. Important: Changes to already existing users with these names or their deletion option are not affected by this! The SAP Note also adds the customizing switch BNAME_RESTRICT, whereupon you can control yourself whether alternative spaces are allowed to appear in certain places in the user name. For this, the following values must be set in the customizing table PRGN_CUST: NO = The alternative spaces are still allowed in the user name. ALL = The character set is reduced to a defined range, excluding certain special characters because they have specific meanings in certain operating systems or databases. This predefined character set is: ABCDEFGHIJKLNMOPQRSTUVWXYZ_0123456789,;-§&()={[]}+#. FME = The letters F, M and E stand for Front, Middle and End. With an 'X' in this three-digit switch value you can now explicitly specify at which position in the user name no wide spaces and control characters may occur. All combinations are possible, e.g.: XME = None of these special characters may occur at the BEGINNING of the user name. XMX = In the user name none of these special characters may occur at the BEGINNING and at the END. FME = One of these special characters may occur at any position in the user name (this corresponds to the default setting, i.e. as if no entry was maintained in PRGN_CUST for the switch). SAP recommends the use of the value ALL.
Database layer: The database layer contains a database server on which all the data of the SAP ERP system is managed. This includes the database management system (DBMS for short) and the actual dataset. The dataset includes user data and data tables as well as applications and system control tables.
The website www.sap-corner.de offers many useful information about SAP basis.
WE60 IDoc documentation
Hosting environments and third-party offerings have also contributed to these improvements. Public cloud environments such as Azure and AWS provide a layer of abstraction that eliminates the difficult task of maintaining the hardware that was required with SAP on-premises.
In general, SAP operations and all associated activities need to be further professionalised. This includes the documentation of key and mission critical processes and their verification for timeliness and validity. It is also necessary to record and describe the performance of the base by IT service management, as well as techniques such as a RACI matrix to identify and document the responsibilities of the SAP basis.
"Shortcut for SAP Systems" is a PC application that simplifies or even facilitates many activities in the SAP basis.
A positive aspect of standardisation and automation is the increase in the quality of tasks, since manual errors can be almost excluded.
The freeware Scribble Papers puts an end to the confusing paper chaos. The tool is also suitable for storing, structuring and quickly finding text documents and text snippets of all kinds in addition to notes.
They also need the ability to work in a structured manner and to find creative solutions and decisions.