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select Date, Name, count(*) from file
group by Date, Name
order by Date, Name
If you want the maximum of those counts, use a CTE
with tmp as (
select Date, Name, count(*) as slots
from file
group by Date, Name)
select max(slots) from tmp
Mark Murphy
STAR BASE Consulting, Inc.
mmurphy@xxxxxxxxxxxxxxx
-----Booth Martin <booth@xxxxxxxxxxxx> wrote: -----
To: RPG programming on the IBM i / System i <rpg400-l@xxxxxxxxxxxx>
From: Booth Martin <booth@xxxxxxxxxxxx>
Date: 11/28/2016 07:51PM
Subject: SQLRPGLE - max count
This seems simple enough but it has me flummoxed.
I have a file with three fields of interest to me: Ordered by Date,
Name, Time. I want to know what is the maximum number of rows there will
be for every Date/Name group. What is the max number of slots I have
to allow for the various Times listed for each Date/Name group?
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