The Anatomy of SAP Authorization or Documentation on SAP Authorization Objects and Authorization Field Values
Protect Passwords
You can also use the SU53 transaction to centrally view failed permission checks. Open the transaction and go to Permissions > Other Users or F5 to the User Selection menu. Enter the user whose permissions have failed in the field with the same name. In the results list, you can see permissions that have failed for each user, as in our example, the missing permission to display the AGR_1251 table. You can see that more than one authorization object appears in this evaluation.
In compliance with the minimum principle and the separation of functions, the roles used must be defined, along with specifications for their naming, structure and use. Close attention should also be paid to the application and allocation process in order to prevent authorization conflicts, which arise primarily as a result of employees' changing or expanding areas of responsibility.
Query Data from a Local Table
Privileges control the use of all objects and data contained in the HANA database. In order to use an application, you typically have to assign many different types of privileges to a user. In order to be able to take into account the complex relationships in the allocation of the privileges actually needed in a manageable way, privileges in SAP HANA are bundled into roles. In our example, the role MODELING in the role SAPT04_CONTENT_ACTIVATION is included. In SAP HANA, it is possible to assign a role to multiple roles as well as to multiple roles. This way, complex role hierarchies can be put together.
The same applies to the concept of data ownership. Here, a person takes responsibility for the data of a certain scope (e.g., SAP system X or system landscape Y) and looks after it as if it were his own precious possession. He or she conscientiously answers questions such as "May data be changed / viewed / deleted?", "How is action taken in the event of a data leak?", "Who may access the data and how, and what may be done with it?".
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This reduces your administrative overhead for maintaining functional permissions and reduces the maintenance effort for role derivations to adapt the so-called organisational fields.
Both positions contain a kernel of truth.