Thats why I say I have never done it.

>Aye, thanks. I've been experimenting along the lines of the 1st suggestion.
>I've been OK in the past with sub-query clauses but I can't get my head around how it would work here.
>
>>Hm, I see two ways. The one is two separate SELECTs. Use the one to sum the one and use the result in the second.
>>
>>The other one (what I not fully understand and never have used) is a subquery in the way
>>

>>SELECT;
>>Cursor1.fieldXXX,;
>>(Select sum(blabla) from cursor2 where cursor2.field=cursor1.field) as nAggr;
>>from Cursor1
>>

>>
>>>I'm trying to achieve the report below:
>>>
>>>

>>>                      Derek                         Bob                      Angus          ...
>>>Inv. No.  Booked   Charged   Booked   Charged  Booked   Charged 
>>>_____   ______    _______   ______    _______   ______    _______
>>>1        0.75       0.75
>>>2                               6         5.5      12         11
>>>3        20.5       20.5                   
>>>...
>>>

>>>
>>>So I need to sum the hours worked on a job, under each invoice ID, for each employee (JobAct.Hours), versus the hours required for each (JobHeads.Quantity)
>>>
>>>First I'm getting "command contains unrecognised phrase/keyword" and I can't figure what's up.
>>>
>>>Here's my pathetic attempt at the SQL. I've come to realise that I could really do with a course on this. I can't tell how successful it is as it won't work but I'm sure it's no good.
>>>
>>>

>>>Select	JobAct.OurInvID,  JobHeads.JobID, JobHeads.LabourID, ;
>>> 		SUM( jobheads.Quantity) as Booked, SUM( jobact.hours) as Charged,  ;
>>> 		Labour.Text ;
>>>  from jobheads ;
>>>  Where jobheads.JobID = "RTvo" ;
>>>  and not EMPTY( JobAct.OurInvID) ;
>>>  INNER JOIN JobAct ;
>>>  	ON  jobheads.JobID = jobact.JobID ;
>>>  INNER JOIN Labour ;
>>>    ON  Jobheads.LabourID = Labour.ID ;
>>>   group by JobAct.OurInvID, jobheads.JobID, JobHeads.LabourID ,Labour.Text  ;
>>>   order by JobAct.OurInvID, jobheads.JobID, JobHeads.LabourID ; 
>>>   into cursor JobsS
>>>

>>>
>>>A help would be much appreciated.
>>>
>>>Terry