Unfortunately, Microsoft has made it extremely difficult to differentiate between various SQL Server editions.
This information is not included in the software name and cannot be scanned through the registry. There is currently no way for Lansweeper to differentiate between Express, Standard, Enterprise or other SQL Server editions.
General report for finding SQL Server 2008 installations:
Select tblComputers.Computername, tblComputers.ComputerUnique,
tblComputers.Domain, tblSoftware.softwareName, tblSoftware.softwareVersion,
tblSoftware.SoftwarePublisher, tblSoftware.Installdate,
tblSoftware.Lastchanged
From tblComputers Inner Join
tblSoftware On tblComputers.Computername = tblSoftware.ComputerName
Where tblSoftware.softwareName Like '%SQL Server 2008%'
Order By tblComputers.ComputerUnique, tblSoftware.softwareName