Declare @ObjectName nVarChar(1000) 
Set @ObjectName = 'HeadOfficeSQL1.Northwind.dbo.Authors' 
SELECT
 PARSENAME(@ObjectName, 4) as Server
,PARSENAME(@ObjectName, 3) as DB
,PARSENAME(@ObjectName, 2) as Owner
,PARSENAME(@ObjectName, 1) as Object 
Returns:
| Server | DB | 
|---|---|
| HeadofficeSQL1 | Northwind | 
| Owner | Object | 
|---|---|
| dbo | Authors | 
| 'object_name' | object_piece | 
|---|---|
| Is the name of the object for which to retrieve the specified object part. object_name is sysname. This parameter is an optionally-qualified object name. If all parts of the object name are qualified, this name can have four parts: the server name, the database name, the owner name, and the object name. | Is the object part to return. object_piece is of type int, and can have these values:1 = Object name 2 = Schema name 3 = Database name 4 = Server name |