我有一张看起来像这样的桌子

id            |            itemID        |         catID     |      Title
----------------------------------------------------------------------------
0                           3                       4                Hello
1                           3                       6                Hello
2                           4                       4                Yo
3                           4                       8                Yo
4                           5                       2                Hi
5                           1                       3                What

I want to do a MySQL PHP Select that only gets one occurrence of the itemID. As you can see they are the same item, just in different categories.

This is what I tried

SELECT * FROM Table GROUP BY itemID


这似乎不起作用,它仍然显示重复项。

最佳答案

这是你想要的? http://www.sqlfiddle.com/#!2/5ba87/1

select itemID, Title from test group by itemID;

关于php - 在基于ID的mysql PHP中仅出现一次表行,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/15075177/

10-14 13:49
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