Practice Update Example - 19.8.1 | 19. Database Connectivity (e.g., JDBC) | Advanced Programming
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What method do you use to execute an update with PreparedStatement?

💡 Hint: Think about the method we call to apply changes to the database.

Question 2

Easy

What are the risks of not using PreparedStatement?

💡 Hint: Consider the implications of allowing direct SQL commands to be executed.

Practice 4 more questions and get performance evaluation

Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

Which method is used to execute an update in JDBC?

  • executeQuery()
  • executeUpdate()
  • runQuery()

💡 Hint: Look for the method specifically handling updates.

Question 2

True or False: PreparedStatement can help prevent SQL injection.

  • True
  • False

💡 Hint: Consider the importance of input handling in security.

Solve 1 more question and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Create a Java method that updates the names of multiple students in a single database transaction. Ensure proper exception handling.

💡 Hint: Consider how to handle errors during the update process.

Question 2

Discuss the implications of not validating user input before executing an update statement in JDBC.

💡 Hint: Think about security practices in development.

Challenge and get performance evaluation