Flashcards

Quick study sessions to strengthen memory and retain key concepts.

Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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 →
Flashcard Study

Java: PreparedStatements

Front

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,…

View Card →