SAP Basis SAP HANA is a new database - SAP Basis

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SAP HANA is a new database
PI Interfaces, Web Services (Process Integration/Orchestration)
Using profile parameters, we can configure everything in the SAP system. Some parameters are dynamically modifiable, which means that they can be changed without restarting the system. However, these changes are not permanent, i.e. after a system restart, the pre-set profile parameters are used again. Other parameters, however, are static, i.e. only with a restart and only permanently modifiable. Most profile parameters for memory allocation are actually static. However, there is the possibility to adapt it dynamically with the report RSMEMORY. Read how to find out if a parameter is static or dynamic and how to use the RSMEMORY report to dynamically adjust the memory allocation parameters. RZ11 - Maintenance of profile parameters The transaction RZ10 gives us information about profiles, which in turn contain different profile parameters. In the transaction RZ11, however, it is possible to view information about individual parameters, provided that you know their name. As you can read in our Memory Parameter Post, the following 5 parameters are particularly important for memory management: abap/heap_area_total abap/heap_area_dia abap/heap_area_nondia ztta/roll_extension_dia ztta/roll_extension_nondia If you don't know exactly what a parameter might be called, it's worth using the F4 help here. For example, for the parameter abab/heap_area_dia, the RZ11 outputs: Description of the parameter abap/heap_area_dia in the RZ11 As you can see here, it is not a dynamic parameter. Now it is rather sorry if you want to test whether there is enough memory available to restart the system again and again. For this purpose, there is the RSMEMORY report. RSMEMORY - Test your memory allocation strategy Report RSMEMORY Report View No documentation or value help available here, but SAP documentation tells you how to use the report. This first distinguishes between dialogue and non-dialogue work processes. That is, in the first area you can set Extended Memory (Storage Class 1) and Heap Memory (Storage Class 2) for Dialogue Workprocesses, and in the second area you can set it for non-dialogue workprocesses.

Basically, an excellent IT knowledge is required. In addition, SAP administrators must of course be particularly competent in this area and be able to deal confidently with all issues relating to SAP solutions. Since they often also work in international companies, it is an advantage if they have a very good command of written and spoken English.
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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.

Cross-client tables can be modified. The control system of another, productive client can thus be undermined and undermined. Quite a lot of power! Did you also know that the SAP system provides a feature that deletes table change protocols (DBTA BLOG table) and that it is effective across all clients? If the table change logs have not been additionally archived via the BC_DBLOGS archiving object, traceability is no longer available. That way, every criminal act within your company can be beautifully covered up. Similarly, full access to batch management allows you to manage all background jobs in all clients with the permission. This allows you to delete old background jobs that have gone unauthorised. There are also some points to consider when managing print jobs. Typically, the following two SAP access permissions are enabled to protect print jobs: S_SPO_DEV (spooler device permissions) S_SPO_ACT (spooler actions). Why? Confidential information in print jobs is not protected against unauthorised disclosure. (Strictly) sensitive print jobs can be read unauthorised or redirected to external printers and printed out. Print jobs are unprotected unless additional SAP access permissions are enabled to protect print output. The print jobs are multi-tenant, which means that the authorisation award should also be well thought through at the point.

With "Shortcut for SAP Systems" a tool is available that greatly facilitates some tasks in the SAP basis.

The concept of a Software-Defined Data Centre is to create an abstraction layer over the individual virtualised components, such as servers, networks or storage, that controls, controls, provisioning, and automates the entire infrastructure.

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