查询数据我有三个表:约束,车站和时间PHP - 似乎无法从表
界有2列:boundID和boundName
站有3列:的stationID工作站名称boundID
时间有4列:timeID departureTime tramID stationID
我正在使用此查询来获取boundName,但似乎无法获取数据。任何帮助,将不胜感激!
$query ="SELECT b.boundName, s.stationName, t.departureTime
from Station s, Time t, Bound b
where s.stationID = t.stationID
AND t.departureTime !=''
AND s.boundID = b.boundID
AND b.boundName";
}
感谢
'和b.boundName'这不是条件; – itzmukeshy7