I think the following 2 SQL statements should give me the same results. Is
there a preference on which 'style' to use? Or a performance difference?
This is a once-a-month task, so performance isn't critical. Readability is
more my concern and both are very readable IMO.
Exec SQL
Select :CurYYYYMM,
Coalesce(Sum(s.VCSALS), 0),
Coalesce(Sum(s.VCCGSL), 0),
Coalesce(Sum(s.VCGMGN), 0),
0,
Coalesce(Sum(s.VCCASH), 0),
Coalesce(Sum(s.VCUNSH), 0),
Coalesce(Sum(s.VCCDAM), 0),
Coalesce(Sum(s.VCNMGN), 0),
0
Into :CYT
From SSVNDCHS s Join DMCUSMST c On s.VCCSNR = c.CUSNR
Where s.VCYYMM = :CurYYYYMM and
c.SLSNR = :srslnr;
Exec SQL
Select :CurYYYYMM,
Coalesce(Sum(s.VCSALS), 0),
Coalesce(Sum(s.VCCGSL), 0),
Coalesce(Sum(s.VCGMGN), 0),
0,
Coalesce(Sum(s.VCCASH), 0),
Coalesce(Sum(s.VCUNSH), 0),
Coalesce(Sum(s.VCCDAM), 0),
Coalesce(Sum(s.VCNMGN), 0),
0
Into :CYT
From SSVNDCHS s,
DMCUSMST c
Where s.VCYYMM = :CurYYYYMM and
s.VCCSNR = c.CUSNR and
c.SLSNR = :srslnr;