JDBC Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

JDBC Interview Questions

Questions Answers Views Company eMail

what is the difference between SENSITIVE and INSENSITIVE?

1 9040

what is the best way, in terms of performance, to do multiple insert/update statements, a PreparedStatement or Batch Updates?

2 4555

what is JDBC?

Wipro,

3 7470

how can we connect to db without using getConnection() method

4 7511

how many JDBC drivers ?name them?

CTS, Idea,

6 12512

what happens if connection is not closed?

CTS,

7 24907

Hi my doubt is that preparedStatement is a interface means which has no implemenation.plz go thru the code below String sql = "SELECT * FROM movies WHERE year_made = ?"; prest = con.prepareStatement(sql); prest.setInt(1,2002); ResultSet rs1 = prest.executeQuery(); Now setInt and executeQuery how it works since it is interface it does not have implementation how it works, how executeQuery returns result from database as executequery method has no implementation even in Statement interface.

Cybermate, Hexaware,

4 9532

HI ALL, How to Overcome "OutOfMemoryException"? when I am compiling source having more than 1000 LOC throwing this exception. Can any one give correct answer to my question? thx

5 6690

How to create Connection interface object because it is Interface , Interface is not instansiated?

Aptech, CTS, HCL,

9 18956

java based application for hospital management

3784

What is in Hibernate? How exactly inheritance of Object to Tables can be done? What is the benefits of discriminator?

AppLabs,

1 7398

how can connection with oracle10g with java

IonIdea,

3 12126

What is connection pooling? What Method and class used for Connection pooling in Java?

2 7583

what happen if we set JDBC string to NULL?

Sapient,

3349

any one can explain about policy file rule? when i connect database with applet then ther is no compile time error but the run time error is occureed.i.e access is denied.policy file rule is related to this problem.

2252

Post New JDBC Questions

Un-Answered Questions { JDBC }

How to test jdbc connection to sql server?

972

Why resultset is used in java?

896

What is JDBC DataSource and what are it’s benefits?

1133

What is ojdbc14 jar?

861

How do I write Greek ( or other non-ASCII/8859-1 ) characters to a database?

956

Which jdbc drivers will run your program?

881

What is the feature of jdbc v4?

1060

What are the 4 types of jdbc drivers?

947

What does adapter class provide?

887

Which constraint cannot be specified as an explicit constraint and should be specified with the column only ?

894

What are devices?

908

What is difference between jdbc and odbc?

957

Is jdbc part of j2ee?

941

What are the steps to connect to a database in java?

900

When do we get java.sql.SQLException: No suitable driver found?

919

For More Un-Answered { JDBC } Questions Click Here