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MS SQL Server Interview Question:
What Is the Security Principal at the Server Level That Represents Your Session?
Submitted by: AdministratorSecurity principal identifies who you are when you interact with the SQL Server. What can do you at the server level solely depends on the security principal that represents you. So it is very important to know your security principal at the server level.
What is the server level security principal of your session? The answer is simple - the login name you used to connect to the server to start the session. For example, if you connects to the server with the login name "sa", then your security principal is "sa" at the server level.
On a Unix system, there is a nice command called "whoami" which returns your security principal on the system. SQL Server provides a similar function called Suser_Sname(), which returns your security principal (a login name) at the server. Try it by following this tutorial example:
-- Find out your security principal at the server level
PRINT Suser_Sname();
GO
sa
This example shows you that you used "sa" as the login name to connect to the server.
Submitted by: Administrator
What is the server level security principal of your session? The answer is simple - the login name you used to connect to the server to start the session. For example, if you connects to the server with the login name "sa", then your security principal is "sa" at the server level.
On a Unix system, there is a nice command called "whoami" which returns your security principal on the system. SQL Server provides a similar function called Suser_Sname(), which returns your security principal (a login name) at the server. Try it by following this tutorial example:
-- Find out your security principal at the server level
PRINT Suser_Sname();
GO
sa
This example shows you that you used "sa" as the login name to connect to the server.
Submitted by: Administrator
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