Sql server 我对这个子查询有问题
我有一个名为Teams的表,其中包含以下列:TeamName、TeamID等 和一个表匹配,它有:Team1_id、Team2_id、Team1_目标、Team2_目标等 我想要一张这样的表格:TeamName1 Team1\u目标TeamName2 Team2\u目标 我试过这样的方法:Sql server 我对这个子查询有问题,sql-server,Sql Server,我有一个名为Teams的表,其中包含以下列:TeamName、TeamID等 和一个表匹配,它有:Team1_id、Team2_id、Team1_目标、Team2_目标等 我想要一张这样的表格:TeamName1 Team1\u目标TeamName2 Team2\u目标 我试过这样的方法: select Teams.TeamName, Matches.Team1_Goals , (select Teams.TeamName where Teams.TeamID = Matches.Tea
select Teams.TeamName, Matches.Team1_Goals
, (select Teams.TeamName where Teams.TeamID = Matches.Team2_ID) as TeamName2
, Matches.Team2_Goals
from Matches
inner join Teams on Teams.TeamID = Matches.Team1_ID
inner join Teams as Teams2 on Teams2.TeamID = Matches.Team2_ID
但它没有返回我想要的。有人能帮我吗?不需要子查询。只需从每个团队表联接中提取一个团队名称 大概是这样的:
SELECT t1.TeamName AS team1_name
, m.Team1_Goals AS team1_goals
, t2.TeamName AS team2_name
, m.Team2_Goals AS team2_goals
FROM Matches m
JOIN Teams t1
ON t1.TeamID = m.Team1_ID
JOIN Teams t2
ON t2.TeamID = m.Team2_ID
ORDER
BY ...
不需要子查询。只需从每个团队表联接中提取一个团队名称 大概是这样的:
SELECT t1.TeamName AS team1_name
, m.Team1_Goals AS team1_goals
, t2.TeamName AS team2_name
, m.Team2_Goals AS team2_goals
FROM Matches m
JOIN Teams t1
ON t1.TeamID = m.Team1_ID
JOIN Teams t2
ON t2.TeamID = m.Team2_ID
ORDER
BY ...
您的问题是关于如何将表格格式化为您想要的格式吗?还有你的密码返回了什么?@wesparmer是的。我的代码返回TeamName1 Team1_目标,但TeamName2始终为空,Team2_目标始终为0。从何处选择Teams.TeamName?。请提供示例数据和预期结果。是否要表格?还是结果集?正如Sami所说,我们需要看到一些样本数据和预期结果。您的问题是关于如何将表格格式化为您想要的格式吗?还有你的密码返回了什么?@wesparmer是的。我的代码返回TeamName1 Team1_目标,但TeamName2始终为空,Team2_目标始终为0。从何处选择Teams.TeamName?。请提供示例数据和预期结果。是否要表格?还是结果集?正如萨米所说,我们需要看到一些样本数据和预期结果。