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我有2個表格:用戶和評論。mysql查找最近的用戶評論
create table user(
userID int auto_increment,
userName varchar(10),
userCreatedDate timestamp,
primary key(userID)
);
create table comment(
commentID int auto-increment,
userID int,
comment varchar(100),
primary key(commentID),
foreign key(userID) references user(userID)
);
我想找到從數據庫的最新評論: 不過,我想這樣,不能讓我的輸出:
select u.userID, c.commentID, u.userCreateDate
from comment c
left join userID u on c.userID = s.userID
order by u.userCreateDate desc
我應該如何修改以便獲得我的輸出結果?