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

JDBC Interview Questions

Questions Answers Views Company eMail

why we don't use the type 2 driver for connect to the database in jdbc?

TCS,

1 5074

What is Connection Pooling ??? How we set up a particular connection within connection pooling ????

Cognizant,

2 7686

i am user who logined the application..after that another valid user will also logind..so that is it neccessary to create jdbc connection for each and every user...plz explain it with proper answer...plz help me

IBM,

5 9550

why are using type4 driver in realtime projects?

4 9122

how we can remove hard code in java?

Satyam,

1 8614

is java pure object oriented or not ?

7 10314

what is the meaning of following code snippets Class c=class.forName(driverClassName); Driver d=(driver)c.newInstance();

1 5053

MY code is: public class P1{ public static void main(String ar[]) { class.forName("java.lang.String"); } } errors i got are :New.java:5: error: expected class.forName("java.lang.String"); ^ New.java:5: error: invalid method declaration; return type required class.forName("java.lang.String"); ^ New.java:5: error: illegal start of type class.forName("java.lang.String"); ^ New.java:7: error: reached end of file while parsing } ^ 4 errors HELP ME>......

3 5380

Explain Basic Steps in Writing a Java Program Using Jdbc?

Winsol Solutions,

1070

What are the main steps in java to make JDBC connectivity?

UGC Corporation,

1022

Write a program JDBCcode forfetching student database with SQL.

1127

Explain about DSN?

Infosys,

983

What is the most common example type 1 driver?

Tech Mahindra,

1038

How to rollback a JDBC transaction?

1102

How to achieve JDBC Connection Pooling using JDBC DataSource and JNDI in Apache Tomcat Server?

1031

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Un-Answered Questions { JDBC }

Is there another way of dealing with the result set that could execute faster?

1010

Describe odbc?

983

What is statement and preparedstatement in java?

900

How can I determine the isolation levels supported by my DBMS?

992

Explain the difference between inner and outer join ?

1041

What is a statement?

1022

Why can't Tomcat find my Oracle JDBC drivers in classes111.zip?

979

Why do we need a jdbcrowset like wrapper around resultset?

1259

What is represented by the connection object?

1088

How data can be inserted into long row column of database?

2153

What is the purpose of jdbc resultset interface?

994

How can we maintain the integrity of a database by using jdbc?

1081

What is the use of jdbc api?

980

Why hibernate is better than jdbc?

937

Is jdbc open source?

872

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