JAVA-java beans, jdbc and design patterns

Test Preparation on JAVA java beans, jdbc and design patterns.

1.

Which of the following is advantage of using JDBC connection pool?

1Slow performance
2Using more memory
3Using less memory
4Better performance

2.

Which of the following is advantage of using PreparedStatement in Java?

1Slow performance
2Encourages SQL injection
3Prevents SQL injection
4More memory usage

3.

Which one of the following contains date information?

1java.sql.TimeStamp
2java.sql.Time
3java.io.Time
4java.io.TimeStamp

4.

What does setAutoCommit(false) do?

1commits transaction after each query
2explicitly commits transaction
3does not commit transaction automatically after each query
4never commits transaction

5.

Which of the following is used to call stored procedure?

1Statement
2PreparedStatement
3CallableStatment
4CalledStatement

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