When should you use parameterized queries instead of plain SQL statements?

When dealing with static data retrieval
When executing complex joins
When handling database schema modifications
When performing queries involving user input

Parameterized queries should be used when performing queries involving user input to prevent SQL injection attacks. By using parameterized queries, input values are treated as data rather than executable code, making it much harder for attackers to inject malicious SQL code into the query. This helps enhance security and protect the database from unauthorized access.

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