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显示成本大于的Sql命令_Sql_Database - Fatal编程技术网

显示成本大于的Sql命令

显示成本大于的Sql命令,sql,database,Sql,Database,我有三张桌子 CREATE TABLE Hotell ( hotelNum int primary key, hotelName varchar(50), city varchar(50) ) CREATE TABLE Roomm ( roomNum int primary key, hotelNum int , type varchar(50), price int ) CREATE TABLE Bookingg ( h

我有三张桌子

CREATE TABLE Hotell 
(
    hotelNum int primary key,
    hotelName varchar(50),
    city varchar(50)
)

CREATE TABLE Roomm
(
    roomNum int primary key,
    hotelNum int ,
    type varchar(50),
    price int 
)

CREATE TABLE Bookingg 
(
    hotelNum int,
    guestNum int primary key,
    dateFrom int,
    dateTo int,
    roomNum int
)

我需要列出入住每晚费用超过250美元的酒店的客人,我还想在屏幕上显示酒店名称和城市,希望这能对您有所帮助

Select 
    A.guestNum,B.hotelName,C.price
From
    Bookingg as [A] Inner Join Hotell as [B] On A.hotelNum = B.hotelNum
    Inner join Roomm as [C] B.hotelNum = C.hotelNum
Where 
    C.price > 250

我们是来帮助你的。但是你必须解释你的困难。这就是你的问题现在被否决的原因。