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JDBC Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExperienced/Expert

Ques 1. What is JDBC? Describe the steps needed to execute a SQL query using JDBC.

Ques 2. How many different types of JDBC drivers are present? Discuss them.

Ques 3. What are the different driver types available in JDBC?

Ques 4. How can you load the drivers?

Ques 5. What will Class.forName do while loading drivers?

Ques 6. How can you make the connection?

Ques 7. How can you create JDBC statements and what are they?

Ques 8. How can you retrieve data from the ResultSet?

Ques 9. What are the different types of Statements?

Ques 10. How can you use PreparedStatement?

Ques 11. What does setAutoCommit do?

Ques 12. How do you call a stored procedure from JDBC?

Ques 13. What is Connection pooling?

Ques 14. Is JDBC-ODBC bridge multi-threaded?

Ques 15. Does the JDBC-ODBC Bridge support multiple concurrent open statements per connection?

Ques 16. What are the steps involved in establishing a JDBC connection?

Ques 17. How do I retrieve warnings?

Ques 18. How can you move the cursor in scrollable result sets?

Ques 19. What’s the difference between TYPE_SCROLL_INSENSITIVE , and TYPE_SCROLL_SENSITIVE?

Ques 20. How to Make Updates to Updatable Result Sets?

Ques 21. What is JDBC Driver?

Ques 22. What are the different JDB drivers available?

Ques 23. What are the different JDB drivers available?

Ques 24. What is the fastest type of JDBC driver?

Ques 25. Is the JDBC-ODBC Bridge multi-threaded?

Ques 26. What is the advantage of denormalization?

Ques 27. How do you handle your own transaction?

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