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 ?

1077

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

1039

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

1032

Explain the difference between inner and outer join ?

1108

What are temp tables ?

1024

What is database deadlock ?

1295

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

1019

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

1030

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

1026

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 ?

1058

What is database deadlock ? How can we avoid them?

1131

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

1034

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

987

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

996

Does sql allow null values ?

1034

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Un-Answered Questions { JDBC }

What are the jdbc statements?

1030

DB2 Universal claims to support JDBC 2.0, But I can only get JDBC 1.0 functionality. What can I do?

1027

Explain creation of statement object with connection method create method with help of an example.

1032

Which jdbc driver is the fastest driver?

1062

How do I stop nullpointerexception?

1029

Are all the required JDBC drivers to establish connectivity to my database part of the JDK?

1034

How can I determine where a given table is referenced via foreign keys?

1056

What does jdbc stand for?

992

Where is jdbc url mysql?

1047

Does jdbctemplate use prepared statements?

964

How we can you use preparedstatement.

1015

How can we move the cursor in a scrollable result set?

1005

How we store procedure in oralce for callable statements in jdbc

2389

What are the packages are used in jdbc?

1102

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

946

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