![](/img/trans.png)
[英]Is this query valid? I want to update a table, joining two different tables, and to display the data to two different forms
[英]I want to display a table and data between two tables
假設它們具有相同的結構,您可以使用 union
(select 'yesterday' as info_time, * from aa_20190617)
union
(select 'today' as info_time, * from aa_20190618)
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.