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Data Structure & Algorithm-Self Paced(C++/JAVA). Full Stack Development with React & Node JS (Live). Data Structure & Algorithm Classes (Live). In the code snippet below, we assign a string value to a variable called txt_user_id. To get a better idea on what is an SQL injection, we will see a few basic examples. Therefore, it's crucial to understand how to prevent SQL injections. In a most extreme case, a hacker can even take over the control of your database entirely. The results can be especially devastating for huge businesses – e.g., Starbucks had a ton of financial and payroll information stolen in 2019. However, most SQL injections result in destroying or stealing sensitive information. If you're lucky, they might just insert or alter something in your database. This means an intruder can gain access to the data you keep. To understand what damage can such an attack do, you need to remember SQL is used in working with databases. How to Prevent SQL Injections: Useful TipsĪn SQL injection is a type of a website attack that allows a hacker to mess with SQL queries. Preventing SQL Injection Using Parameters
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