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What is the main security risk when using string concatenation to build SQL queries?

easy📝 Conceptual Q11 of 15
SQL - Security Basics
What is the main security risk when using string concatenation to build SQL queries?
AIt can allow attackers to inject malicious SQL code.
BIt makes queries run faster than parameterized queries.
CIt automatically encrypts user input.
DIt prevents any syntax errors in the query.
Step-by-Step Solution
Solution:

  1. Step 1: Understand string concatenation in SQL queries

    Concatenating user input directly into SQL commands can mix code and data.

  2. Step 2: Recognize the risk of SQL injection

    This mixing allows attackers to add harmful SQL commands, called SQL injection.

  3. Final Answer:

    It can allow attackers to inject malicious SQL code. -> Option A

  4. Quick Check:

    SQL injection risk = A [OK]
Quick Trick: Concatenating user input risks injection attacks [OK]
Common Mistakes:
  • Thinking concatenation speeds up queries
  • Believing concatenation encrypts input
  • Assuming concatenation prevents errors

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