Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What does JDBC stand for?
💡 Hint: Think about how Java connects to databases.
Question 2
Easy
Name one major operation type that JDBC allows.
💡 Hint: There are four basic operations.
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
What does JDBC stand for?
- Java Database Connectivity
- Java Data Connection
- Java Database Code
💡 Hint: Think about what connecting Java to databases means.
Question 2
True or False: PreparedStatement provides better SQL injection protection than Statement.
- True
- False
💡 Hint: Consider the safety of user inputs.
Solve 2 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Write a Java program that connects to a MySQL database, executes a query to fetch all records from a table named 'users', and prints out the results. Ensure you handle SQL exceptions gracefully.
💡 Hint: Set up your database connection properly, and don’t forget to handle exceptions.
Question 2
Explain a scenario where you would need to use JDBC transactions. Provide a sample code snippet that includes commit and rollback.
💡 Hint: Think about real-world applications where partial successes are not acceptable.
Challenge and get performance evaluation