Replacement operators ensure that malicious scripts can't append SQL into queries to override the existing code and get access to data that they shouldn't see.
替换操作符确保恶意脚本不能将SQL附加到查询中覆盖现有代码，访问它们不应该看到的数据。
Replacement operators ensure that malicious scripts can't append SQL into queries to override the existing code and get access to data that they shouldn't see.
替换操作符确保恶意脚本不能将SQL附加到查询中覆盖现有代码，访问它们不应该看到的数据。
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