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BackendBeginner Friendly
What is Validation?
Checking that data meets requirements before processing it
Why It Matters
Validation prevents errors and security issues by rejecting bad data early
Real-World Example
Checking that an email address contains an @ symbol before saving it
“Understanding terms like Validation matters because it helps you have better conversations with developers and make smarter decisions about your software. You do not need to be technical. You just need to know enough to ask the right questions.”
From definition to deployment
Knowing the term is step one. Using it in something real is the rest.