Hi Bob, the link between the tables is on CPUTeam (is in Game_Match) = CountryID (is in Country)
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Question
query help
I'm trying to get a query result about whether a particular user has won against each country (listed by the query below).
How can I do this?
Here's a list of all the cricketing countries:
SELECT *
FROM `Country`
WHERE `CricketingCountry` =1
AND `ActualCountry` =1
and the table where the results are stored
SELECT CPUTeam
FROM Game_Match
WHERE UserID =1
AND Result = 'won'
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Answers
if countryid field is in both tables, then this should work, but I'm not sure we are talking about the same thing. Can you post the table schema for both tables?
SELECT CPUTeam, countryId
FROM Game_Match
WHERE UserID =1
AND Result = 'won'
JOIN Game_Match.countryId=Count
WHERE CricketingCountry =1
AND ActualCountry =1
Sorry Bob, this is the join statement:
JOIN Game_Match.CPUMatch = Country.CountryID
What that won't give me though is a result of whether the user has won against every country returned by the following query:
SELECT *
FROM `Country`
WHERE `CricketingCountry` =1
AND `ActualCountry` =1
I'd like to get a result of something like 0 if the user hasn't won against all the countries, or 1 if the user has won against all the countries.
Got the query going myself in this in that it lists a count of the number of countries remaining to be beaten. If someone knows a better more efficient way of doing this, I'm all ears. Cheers.
SELECT count( * )
FROM Country
WHERE `CricketingCountry` =1
AND `ActualCountry` =1
AND CountryID NOT
IN (
SELECT CPUTeam
FROM Game_Match
WHERE UserID =1
AND MatchTypeId
IN ( 1, 3, 4 )
)
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by: BobLambersonPosted on 2008-12-13 at 21:48:46ID: 23166722
what other fields do you have available in the game_match table? you need some kind of relationship or common field in bothCountry table and Game_Match table.
Then you can join the two tables on that common field, something like:
SELECT CPUTeam
FROM Game_Match
WHERE UserID =1
AND Result = 'won'
JOIN Game_Match.<commonField>=Cou
SELE
FROM `Country`
WHERE `CricketingCountry` =1
AND `ActualCountry` =1