Java
Ultimate Java JDBC Quiz
Test your knowledge of Java and JDBC with our comprehensive quiz! This engaging quiz consists of 10 multiple-choice questions designed to evaluate your understanding of Java database connectivity. Whether you're a beginner or an experienced developer, this quiz offers something for everyone.
Key Features:
- 10 challenging questions
- Instant feedback on your answers
- Track your performance
1. Which of the following contains both date and time?
A) java.io.date
B) java.sql.date
C) java.util.date
D) java.util.dateTime
2. Which of the following is advantage of using JDBC connection pool?
A) Slow performance
B) Using more memory
C) Better performance
D) Using less memory
3. Which of the following is advantage of using PreparedStatement in Java?
A) Slow performance
B) Encourages SQL injection
C) Prevents SQL injection
D) More memory usage
4. Which one of the following contains date information?
A) java.sql.TimeStamp
B) java.sql.Time
C) java.io.Time
D) java.io.TimeStamp
5. What does setAutoCommit(false) do?
A) commits transaction after each query
B) explicitly commits transaction
C) does not commit transaction automatically after each query
D) never commits transaction
6. Which of the following is used to call stored procedure?
A) CallableStatment
B) PreparedStatement
C) Statement
D) CalledStatement
7. Which of the following is used to limit the number of rows returned?
A) setMaxRows(int i)
B) setMinRows(int i)
C) getMaxrows(int i)
D) getMinRows(int i)
8. Which of the following is method of JDBC batch process?
A) setBatch()
B) deleteBatch()
C) removeBatch()
D) addBatch()
9. Which of the following is used to rollback a JDBC transaction?
A) rollback()
B) rollforward()
C) deleteTransaction()
D) RemoveTransaction()
10. Which of the following is not a JDBC connection isolation levels?
A) TRANSACTION_NONE
B) TRANSACTION_READ_COMMITTED
C) TRANSACTION_REPEATABLE_READ
D) TRANSACTION_NONREPEATABLE_READ
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