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[英]Mysql two tables, select all values from one table, compare if exists and then return One random value
[英]mysql select from 2 tables as one value
我有2張桌子:
users
user_id | user_name | user_avatar
和
events
event_id | event_name | event_avatar
我需要一個查詢,該查詢將在一個陣列中選擇所有頭像,然后,我想將它們全部作為照片庫回顯。
有人可以幫我嗎?
我試過了
SELECT e.event_avatar , u.user_avatar as img FROM events e ,users u ORDER BY e.id DESC LIMIT 0, 17"
對於SQL位,似乎您想要一個Union:
Select
event_avatar
From
events
Union All
Select
user_avatar
From
users
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