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SUSER_NAME() vs SUSER_SNAME()


SUSER_NAME() vs SUSER_SNAME()

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Mikey01
Mikey01
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Any reason to use one of the following over the other to return the user currently modifying data?

SELECT SUSER_NAME()
SELECT SUSER_SNAME()

The documentation for SUSER_NAME() says "SUSER_NAME returns a login name only for a login that has an entry in the syslogins system table.".
SUSER_SNAME() documentation makes no reference to this does this imply that SUSER_NAME is more limited in some way than SUSER_SNAME?
Lowell
Lowell
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I think you are supposed to use SUSER_SNAME() in most situations.

i believe the difference is SUSER_SNAME() would return a domain\username for those people who are not explicitly on the server, but only get access through an inherited role;

so if you grant a windows role access, SUSER_SNAME() would return results, but SUSER_NAME() is blank, because that user is not explicitly in the sys.server_principals table, right?

Lowell

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