如何用另一个值替换MySQL表中列的值
[英]How to replace values of a column in MySQL table with another value
问题描述
I have a table named as data1 with two columns (Name, address) and an another table named as data2 with same columns 
我有一个名为data1的表，其中有两列(Name, address)而另一个表名为data2，具有相同的列
My question: How to assign the value as 'USA' to address column where the value in name columns are equal in both the tables. 我的问题：如何将值“ USA”分配给两个表中name列中的值相等的address列。
1 个解决方案
解决方案1
1 已采纳 2013-06-15 10:28:29
UPDATE data2 SET
Address = 'USA'
WHERE Name IN (SELECT Name FROM data1)
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