SQL - Security Basics
Why do prepared statements exist in SQL?
Prepared statements help mainly to:Why do prepared statements exist in SQL?
easy📝 Conceptual Q11 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the purpose of prepared statements
Prepared statements separate the SQL command from the data values, which helps prevent SQL injection attacks and improves performance when running similar queries multiple times.Step 2: Evaluate the options
Only Separate the SQL command from the data to improve security and performance correctly describes this purpose. The other options describe unrelated or incorrect uses.Final Answer:
Separate the SQL command from the data to improve security and performance -> Option AQuick Check:
Prepared statements = separate command and data [OK]
Quick Trick: Prepared statements separate code and data for safety [OK]
Common Mistakes:
- Thinking prepared statements create tables
- Believing they encrypt the database
- Confusing them with simple SQL queries without parameters
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