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Is it a reliable unique identifier for a running instance of dbsrv*.exe? PROPERTY('OmniIdentifier')
'cc4af084e3f446babe92ebee547b2d80'
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It appears to be a GUID generated at runtime the first time the value is needed. It appears to be used to avoid circular connection attempts via OMNI (ie, prevent a server from using a remote table that is actually in the same server). It should serve your purposes. |
Wouldn't the ProcessID be a more natural database server property to distinguish several instances on the same host?
Yes, that works for applications like Foxhound, which puts ProcessId into the connection names it uses when connecting to target databases...
...but ProcessId was introduced in V12.
SELECT @@VERSION, PROPERTY ( 'ProcessID' ), PROPERTY ( 'OmniIdentifier' ); @@VERSION,PROPERTY('ProcessID'),PROPERTY('OmniIdentifier') '11.0.1.3158',,'93617c0977a94583b7ad38097f2713f4'FYI a non-GUID OmniIdentifier was introduced in V8 but not mentioned in the Help until V9.
The GUID version of OmniIdentifier was introduced in V10.
SELECT @@VERSION, PROPERTY ( 'ProcessID' ), PROPERTY ( 'OmniIdentifier' ); @@VERSION,PROPERTY('ProcessID'),PROPERTY('OmniIdentifier') '8.0.3.5594',,'1062400754:ddd8:ddd8:54820000' @@VERSION,PROPERTY('ProcessID'),PROPERTY('OmniIdentifier') '9.0.2.2451',,'1062400760:ddd9:ddd9:28799000' @@VERSION,PROPERTY('ProcessID'),PROPERTY('OmniIdentifier') '10.0.1.4310',,'e1b24d9ca84341e3a1e78daba2fa294b'=====