Figure 3-5. Query Outline Of Qualification Aggregate With Over Over-Item Syntax - Tandem ENFORM 058057 Reference Manual

ENFORM Language Elements
Aggregates
3–20

Figure 3-5. Query Outline of Qualification Aggregate with OVER Over-item Syntax

OPEN employee;
LIST regnum,
branchnum,
WHERE salary GT AVG( salary OVER regnum );
The qualification aggregate value for each group is:
regnum AVG salary
1 24666
2 28333
5 38000
99 39500
If employee has the following form when grouped by regnum and branchnum:
regnum branchnum
1 1
2
2 1
5 3
99 1
The report produced is:
Region Branch
------ ------
2 1
1 1
1 1
1 1
1 2
058057 Tandem Computers Incorporated
salary
36000
19000
25000
26000
12000
30000
37000
25000
23000
38000
39500