Java: PreparedStatements
Why use PreparedStatements to prevent SQL injection?
PreparedStatements separate SQL logic from data, preventing injection. PreparedStatements use placeholders instead of directly embedding user input, which…
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Why use PreparedStatements to prevent SQL injection?
PreparedStatements separate SQL logic from data, preventing injection. PreparedStatements use placeholders instead of directly embedding user input, which…
View Card →How do PreparedStatements handle complex SQL joins?
By parameterizing all variable parts, ensuring safe and efficient execution. PreparedStatements can handle complex SQL joins by allowing…
View Card →What JDBC method executes a PreparedStatement that returns a ResultSet?
executeQuery(). Frame the concept in practical terms so you can explain it during interview discussion. The `executeQuery()` method…
View Card →How do PreparedStatements handle transactions?
They ensure consistency by using placeholders for all variable data. PreparedStatements help maintain transaction integrity by ensuring consistent…
View Card →How would you explain a common mistake when using PreparedStatements in an interview?
Forgetting to bind all placeholders. Frame the concept in practical terms so you can explain it during interview…
View Card →How can PreparedStatements prevent SQL injection?
By separating SQL logic from data. Frame the concept in practical terms so you can explain it during…
View Card →Why might you choose a Statement over a PreparedStatement?
For executing simple, one-time queries. Frame the concept in practical terms so you can explain it during interview…
View Card →Why does a placeholder in a PreparedStatement matter in this design?
To mark where parameters will be bound. Frame the concept in practical terms so you can explain it…
View Card →How do you close a PreparedStatement in JDBC?
Use the close() method to free resources. Frame the concept in practical terms so you can explain it…
View Card →What trade-offs exist when using PreparedStatements?
Higher initial preparation time but faster execution for repeated queries. While PreparedStatements require more time to prepare initially,…
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