OS 2019
select SMS_R_SYSTEM.ResourceID,SMS_R_SYSTEM.ResourceType,SMS_R_SYSTEM.Name,SMS_R_SYSTEM.SMSUniqueIdentifier,SMS_R_SYSTEM.ResourceDomainORWorkgroup,SMS_R_SYSTEM.Client from SMS_R_System inner join SMS_G_System_OPERATING_SYSTEM on SMS_G_System_OPERATING_SYSTEM.ResourceID = SMS_R_System.ResourceId where SMS_G_System_OPERATING_SYSTEM.Caption like "Microsoft Windows Server 2019%"
All SQL Servers
select * from SMS_R_System inner join SMS_G_System_COMPUTER_SYSTEM on SMS_G_System_COMPUTER_SYSTEM.ResourceID = SMS_R_System.ResourceId
where SMS_G_System_COMPUTER_SYSTEM.Roles like "%SQLServer%"
SQL 2017
select SMS_R_SYSTEM.ResourceID,SMS_R_SYSTEM.ResourceType,SMS_R_SYSTEM.Name,SMS_R_SYSTEM.SMSUniqueIdentifier,SMS_R_SYSTEM.ResourceDomainORWorkgroup,SMS_R_SYSTEM.Client from SMS_R_System where SMS_R_System.ResourceId in (select distinct SMS_G_System_ADD_REMOVE_PROGRAMS.ResourceID from SMS_G_System_ADD_REMOVE_PROGRAMS where SMS_G_System_ADD_REMOVE_PROGRAMS.DisplayName Like 'Microsoft SQL Server 2017%')
SQL 2019
select SMS_R_SYSTEM.ResourceID,SMS_R_SYSTEM.ResourceType,SMS_R_SYSTEM.Name,SMS_R_SYSTEM.SMSUniqueIdentifier,SMS_R_SYSTEM.ResourceDomainORWorkgroup,SMS_R_SYSTEM.Client from SMS_R_System where SMS_R_System.ResourceId in (select distinct SMS_G_System_ADD_REMOVE_PROGRAMS.ResourceID from SMS_G_System_ADD_REMOVE_PROGRAMS where SMS_G_System_ADD_REMOVE_PROGRAMS.DisplayName Like '%SQL%2019%')