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        MySQL 插入 &amp;加入

        MySQL Insert amp; Joins(MySQL 插入 amp;加入)

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                • 本文介绍了MySQL 插入 &amp;加入的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着跟版网的小编来一起学习吧!

                  问题描述

                  我看到了这个

                  在 MySQL 中,连接适用于 INSERT,UPDATE 和 DELETE 语句.它是可以在超过加入表格时的一张表格UPDATE 或 DELETE 语句.

                  In MySQL, joins work for INSERT, UPDATE, and DELETE statements. It's possible to change data in more than one table when joining tables in an UPDATE or DELETE statement.

                  在回答 mysql 认证指南中的问题时.这是真的吗?插入连接?一个例子吗?

                  in an answer for a question from the mysql certification guide. is it true? inserts with joins? an example of it?

                  推荐答案

                  你可以 INSERT ... SELECT with mysql,这大概就是他们的意思.例如:

                  You can INSERT ... SELECT with mysql, which is probably what they mean. For example:

                  INSERT INTO tableNew (col1, col2)
                    SELECT tbl1.col1, tbl2.col2
                    FROM tbl1 JOIN tbl2
                  

                  这篇关于MySQL 插入 &amp;加入的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持跟版网!

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