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Php Mysql更新字段与其他字段_Php_Mysql - Fatal编程技术网
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Php Mysql更新字段与其他字段

php mysql

Php Mysql更新字段与其他字段,php,mysql,Php,Mysql,可以执行这样的查询 update `project` set image='b/' `id_account` '.png' ? 我需要将字段id\u account的值添加到image中。您可以使用+运算符连接SQL中的值： UPDATE `project` SET `image` = 'b/' + `id_account` + '.png' UPDATE `project` SET `image` = 'b/' + `id_account` + '.png'

可以执行这样的查询

update `project` set image='b/' `id_account` '.png'
?

我需要将字段
id\u account
的值添加到
image

中。您可以使用
+
运算符连接SQL中的值：

UPDATE `project` SET `image` = 'b/' + `id_account` + '.png' 

UPDATE `project` SET `image` = 'b/' + `id_account` + '.png'