A SQL injection vulnerability occurs when a user is able to pass SQL code directly to the application in such a way that the code will be executed in a query.

如果用户能够将SQL代码直接传递给应用程序，此代码将在一个查询中执行，那么就可能发生SQL注入攻击。

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It can be said that as long as people are still writing database applications, SQL injection vulnerability will always exist.

可以说，只要人类还在编写数据库应用，SQL注入漏洞就会一直存在。

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Yet, the continuing vulnerability of Web-facing applications made SQL injection one of the most common forms of attack against websites at the time.

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