连接到MySQL数据库时,如何在aqua data studio中使用变量?下面是一个简单的例子:select @varset @var = 1;这将导致以下错误
You have an error in your SQLsyntax; check the manual that corresponds to your MySQL server version for the right syntax to use near
你好,我正在用node.js和mysql开发服务器。当我阅读一些关于mysql库的文档时,我发现打开多语句选项会增加SQL注入攻击的范围。例如,
let sql = "UPDATE auth_user SET last_login=now() WHERE username=?LIMIT 1"; let params = [