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 query used to display all tables names in SQL Server (Query analyzer)?

1069

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

1216

How can I retrieve a String or other object type without creating a new object each time?

1189

Once I have the Java 2 SDK, Standard Edition, from Sun, what else do I need to connect to a database?

1000

How can I create a custom RowSetMetaData object from scratch?

1006

How does a custom RowSetReader get called from a CachedRowSet?

1087

RowSetInternal caller and returns void. What can I do in the readData method?

981

Can I set up a connection pool with multiple user IDs? The single ID we are forced to use causes problems when debugging the DBMS.

951

password, is stored in as plain text. What can I do to protect my passwords?

975

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

998

What isolation level is used by the DBMS when inserting, updating and selecting rows from a database?

966

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

991

How do I receive a ResultSet from a stored procedure?

975

What does it mean to "materialize" data?

1005

Why do I have to reaccess the database for Array, Blob, and Clob data?

1073

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Un-Answered Questions { JDBC }

What is “dirty read” in JDBC? Which isolation level prevents dirty read?

1017

What is jdbc odbc?

991

How do I stop nullpointerexception?

977

Is java a database?

958

What are the advantages of using preparedstatement over statement?

1011

What is the difference between jdbc and odbc?

989

What are the three parts of a jdbc url?

1023

How do java applications access the database using jdbc?

1040

What is an escape syntax?

998

What is the different between ResultSet and RowSet?

1032

How can I instantiate and load a new CachedRowSet object from a non-JDBC source?

990

How to check jdbc connection in linux?

1031

What are the ddl statements?

856

What does connection pooling mean ?

998

What is the advantage of namedparameterjdbctemplate?

964

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