本文介紹了在 SELECT(MYSQL/PHP) 中加入 2 個表的處理方法,對大家解決問題具有一定的參考價值,需要的朋友們下面隨著小編來一起學習吧!
問題描述
我有這兩張桌子.連接密鑰"是兩個表中都包含的 conID.所以現在我想寫一個 select 語句,它會給我這樣的東西:
I have these two tables. The connecting "key" is conID which is included in both tables. So now i would like to write select statement which would give me something like this:
John Smith 乳品 22 Texas 4000 smth4
John Smith dairy22 Texas 4000 smth4
Mike Situation glenn32 Jersey 1000 smth1...
Mike Situation glenn32 Jersey 1000 smth1 ...
>表人":
NUM Name lastName address conID
-----------------------------------------
1 John Smith dairy22 Texas
2 Mike Situation glenn32 Jersey
3 Duke Nukem haris48 NYork
4 Queen Lisa court84 London
>表國家"
conID postNum region
-------------------------
Jersey 1000 smth1
NYork 2000 smth2
London 3000 smth3
Texas 4000 smth4
<強>!-> NUM 是 AUTO INCREMENT 主鍵,如果可能的話,我不希望它是輸出.
提前感謝您的幫助:))
Thanks for help in advance :))
推薦答案
這應該返回您想要的行,基于 num
列:
This should return the rows you want, based on the num
column:
SELECT Name, lastName, address, people.conID, postNum, region
FROM people
JOIN countries
ON people.conID = countries.conID
WHERE num=1
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