显示成本大于的Sql命令
我有三张桌子显示成本大于的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
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。