Thread View: borland.public.delphi.database
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Started by dankell
Fri, 01 Feb 2008 15:31
TClientDataSet Aggregate questions
Author: dankell
Date: Fri, 01 Feb 2008 15:31
Date: Fri, 01 Feb 2008 15:31
28 lines
2045 bytes
2045 bytes
I am trying to work my way around nested TClientDatasets to see if they do what I need them to. I am building a small league application as an example. I currently have 2 TClientDataSets: 1) Matches, containing fields for: Date, Time, HomeRef, HomeName, HomeScore, AwayRef, AwayName, AwayScore 2) Teams, containing: Ref, Name Matches looks up its names from Teams and all is well. What I am having problems with is getting aggregate information for the tables. I would like to find from the Matches table the count of all the matches played per team, and the goals for / against for each team. Am I right in thinking that these aggregate fields will need to be on set on the Matches dataset? And will I need interim fields to get to where I want (e.g. GoalsForHome, GoalsForAway)? Cheers Dan
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