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Old June 7th, 2004, 06:21 AM
hulan hulan is offline
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:confused:Ordering by Ascending and Descending

Hi there,

Does anyone know if i could 2 columns 1 by ascending and the other one by descending. I have 2 tables, both related by sport code:

Code:
Table: sports_played

parent_id    child_id   sport_code          level
1                   1         SW               Advanced
1                   1         SR                Advanced
2                   1         TN               Intermediate
2                   2         TN                 Beginner
2                   2         HK               Advanced
3                   1         SR              Intermediate
3                   1         RG              Intermediate
3                   1         BS                 Beginner
5                   1         BS               Advanced


Table: sport
sport_code  sport_name   winter    summer_sport    coach_id
  SW             Swimming     Yes          Yes                 4
  TN               Tennis        Yes          Yes                     
  RG               Rugby         Yes           No                 1
  BS             Basketball      No           Yes                 2
  HK              Hockey         No           Yes                 2
  SR              Soccer         Yes          No                  2
  SL              Sailing          No           Yes                 4


And what I need to have is a table that lists how many children play each summer sport at each of the levels (Beginner, Intermediate, and Advanced).

And the ordering has to be done listed in descending order of the sport_name , then in ascending order of number of children who play the sport at the level.

My SQL statements are:
Code:
SELECT sport.sport_name, Count(sports_played.level) As SumOfLevels
          FROM sports_played RIGHT OUTER JOIN sport
                     ON sports_played.sport_code =
sport.sport_code
                     AND sport.summer_sport = ‘Yes’
                            ORDER BY sport.sport_name DESC; 


SELECT sport.sport_name, Count(sports_played.level) AS SumOfLevels
          FROM sports_played LEFT OUTER JOIN sport
                     ON sports_played.sport_code = sport.sport_code
                     AND sport.summer_sport = ‘Yes’
                            ORDER BY sports_played.level ASC; 

The reason I have 2 tables is (i thought) i can't have both sport_name Desc and sports_played ASC order. since the order will both collide with each other, and will give me an error.

Another question is can I use Count() to differentiate each 3 level, even though they are strings? Is it possible?

regards,
hulan

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Old June 7th, 2004, 09:08 AM
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r937 r937 is offline
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could you please rephrase your question?

the reason you have two tables is because it would be an absolutely horrible design if you included sport_name, winter, summer_sport, and coach_id in table 1

you can have more than one ORDER BY column
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