如何检查SQL中DATES之间的日期？如果再办理入住手续和退房日期是SeasonStart和SeansonEndDate回报1之间另有返回0

Question

@CheckInDate DATE TIME = '15/12/2010', 
@CheckOutDate DATETIME = '18/12/2010' 


SeasonStartDate DATETIME = '13/12/2010' 
SeasonEndDate DATE TIME =' 20/12/2010' 

Answer 1

CASE 
WHEN @CheckInDate BETWEEN SeasonStartDate AND SeasonEndDate 
    AND @CheckOutDate BETWEEN SeasonStartDate AND SeasonEndDate 
    THEN 1 
ELSE 0 
END 

Answer 2

如果要保证有允许没有时间旅行（输入/输出和开始/结束是正确的顺序）：

CASE WHEN @CheckInDate >= SeasonStartDate and @CheckOutDate <= SeasonEndDate THEN 1 ELSE 0 END