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

JDBC Interview Questions

Questions Answers Views Company eMail

What are the different types of 2 tier and 3 tier architecture ?

Honeywell,

2 10739

What are the different types of modifiers?

2 7924

What are the different types of statements?

4 19615

What type of drivers are used for web application?

2 5150

When you will get error like ?No suitable driver??

2 4821

What does Class.forName return?

IBM,

8 16430

What type of drivers have you used?

1 4057

What is JDBC?

Akamai Technologies,

3 6480

what are the advantages of JDBC?

7 33953

What is a Connection?

1 4983

What is an outer join?

Infogain,

3 7946

What is correlated subquery?

emc2, JK Technosoft,

2250

What is de-normalization?

1 4128

What is Statement and PreparedStatement? whatz the difference?

2 7591

What is meant by a ResultSet?

3 8090

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Un-Answered Questions { JDBC }

What is getconnection method in java?

882

What are different types of ResultSet?

1009

What is a statement in java?

862

How does jdbc connect to database?

838

How many types of jdbc drivers are there?

956

Can we have foreign key reference to a non primary key column ?

920

What is the benefit of having jdbcrowset implementation? Why do we need a jdbcrowset like wrapper around resultset?

914

What do you understand by jdbc datasource?

968

Differentiate between type_scroll_insensitive and type_scroll_sensitive.

893

What is connection pooling and why it is used?

949

What is device controller?

989

How do you determine the sensitivity of the ResultSet object?

929

Why do you use a data source object for a connection?

979

What happens if connection is not closed in jdbc?

914

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

925

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