Daily Service Requests report is something which is
used by service delivery managers and there is no out of box reports in SCSM to
process this. 
Below SQL query will give you the count of
following Service Requests assigned to Support Engineer's:
·         Active
·         Completed
·         Closed
Run this against DWDataMart database as per Microsoft’s suggest no query should be
run directly on a transactional database in this case it ServerManager Database.
Select
 distinct userdim.DisplayName as AssignedToUser
, count ( case ServiceRequest.status
when 'ServiceRequestStatusEnum.Active' THEN
'Active' end )  as Active,
 count ( case ServiceRequest.status
when 'ServiceRequestStatusEnum.Completed' THEN
'Completed' end )  as Completed,
Count ( case ServiceRequest.status
when 'ServiceRequestStatusEnum.Completed' THEN
'Closed' end )  as Closed
From    ServiceRequestDim
ServiceRequest JOIN   
WorkItemDim workitem on ServiceRequest.EntityDimKey
= workItem.EntityDimKey JOIN   WorkItemAssignedToUserFactvw
assignedtouser
on workitem.WorkItemDimKey =
assignedtouser.WorkItemDimKey JOIN   
UserDimvw userdim on
assignedtouser.WorkItemAssignedToUser_UserDimKey = userdim.UserDimKey
 Where   
assignedtouser.DeletedDate is null and ServiceRequest.createddate>=
CONVERT(varchar(8), GETDATE()-1, 112)
 group by userdim.DisplayName 
Output: 
Assigned To 
 | 
  
Active 
 | 
  
Completed 
 | 
  
Closed 
 | 
 
Support Engineer A 
 | 
  
2 
 | 
  
0 
 | 
  
0 
 | 
 
Support Engineer B 
 | 
  
1 
 | 
  
0 
 | 
  
0 
 | 
 
Support Engineer C 
 | 
  
1 
 | 
  
0 
 | 
  
0 
 | 
 
Support Engineer D 
 | 
  
2 
 | 
  
0 
 | 
  
0 
 | 
 
 Please note this query will only pull info
for Service requests