Relationship to the Locsystem table, used to find the primary location system record for the site. (locsystem.systemid = site.primarysystem and locsystem.siteid = site.siteid). If primarysystem is not null, this relationship will find one object.
Razmerje do tabele Locsystem, ki se uporablja za iskanje zapisa o primarnem sistemu lokacij za to enoto. (locsystem.systemid = site.primarysystem and locsystem.siteid = site.siteid). Če primarysystem ni ničeln, bo to razmerje našlo en objekt.