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You want to protect a search feature from SQL injection. Which approach best prevents injection when searching by product name?

hard📝 Application Q8 of 15
SQL - Security Basics
You want to protect a search feature from SQL injection. Which approach best prevents injection when searching by product name?
AEscape single quotes in user input manually
BUse parameterized queries with placeholders for user input
CRemove all spaces from user input
DLimit search to only numeric product IDs
Step-by-Step Solution
Solution:
  1. Step 1: Evaluate protection methods

    Parameterized queries safely separate code from data, preventing injection.
  2. Step 2: Compare other options

    Escaping quotes can fail; removing spaces or limiting IDs reduces usability.
  3. Final Answer:

    Use parameterized queries with placeholders for user input -> Option B
  4. Quick Check:

    Parameterized queries = Best injection defense [OK]
Quick Trick: Always use parameters for user inputs in queries [OK]
Common Mistakes:
  • Relying only on manual escaping
  • Reducing input usability to prevent injection
  • Ignoring parameterized query benefits

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