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

JDBC Interview Questions

Questions Answers Views Company eMail

How can we disable a constraint ?

1026

Does sql allow null values ? Can we use it within where clause ?

980

Write an sql to find all records having all numeric characters in a field ?

971

Explain the difference between inner and outer join ?

1034

What are temp tables ?

980

What is database deadlock ?

1190

What should be done for auto generating primary key id in a table ?

975

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

985

What's the benefit for specifying constraints like not null, primary key explicitly instead of specifying it against the column ?

967

If you are given a choice to implement the code to either insert a record or update if already exist, which approach will you follow ?

998

What is database deadlock ? How can we avoid them?

1056

Describe the steps needed to execute a sql query using jdbc.

984

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

929

What is jdbc? Describe the steps needed to execute a sql query using jdbc.

930

Does sql allow null values ?

969

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Un-Answered Questions { JDBC }

How do I receive a ResultSet from a stored procedure?

975

What driver should I use for scalable Oracle JDBC applications?

980

Explain the steps in writing a java program using jdbc?

941

Explain some new features available in jdbc 4.0?

1018

What is the purpose of the jdbc resultset interface?

914

Does jdbc use ssl?

933

How you restrict a user to cut and paste from the html page using java programing?

891

Does jdbc require oracle client?

931

How do I connect to jdbc?

950

What are the 4 types of jdbc drivers?

1017

How to use JDBC API to call Stored Procedures?

1019

What is statement and resultset in jdbc?

950

Why can't I invoke the ResultSet methods afterLast and beforeFirst when the method next works?

1215

Define preparedstatement.

988

Compare jdbc and odbc and how is jdbc required in this context.

938

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