ERROR: Cross-database references are not implemented

<p><font face="Arial" size="2">How do I explicidly create a cross-database reference?</font><p><font face="Arial"
size="2">Mindyou these databases are on the same server.</font><p><font face="Arial" size="2">In MSSQL you could do
thatthrough enterprise manager.</font><p><font face="Arial" size="2">Any help would be
appreciated.</font><table><tr><tdbgcolor="#ffffff"><font
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