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

JDBC Interview Questions

Questions Answers Views Company eMail

Why are we using blob datatypes in jdbc?

1002

What is resultset?

940

What is the meaning of connection?

909

How many locking systems are there in jdbc?

964

How to set the attribute concurrency in resultset?

878

What is the function of drivermanager class?

1040

Which jdbc driver is the fastest driver?

975

What are the jdbc api components?

1097

Is it possible to connect to multiple databases? Using single statement can we update or extract data from two or three or many databases?

1028

Why should we close database connections in java?

1093

What are types of resultset?

936

What are the advantages of using preparedstatement in java?

921

List the advantages of using datasource?

946

What is the role of class.forname while loading drivers?

942

Why would you use setautocommit(false) in jdbc?

1133

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Un-Answered Questions { JDBC }

There is a method getColumnCount in the JDBC API. Is there a similar method to find the number of rows in a result set?

995

What is 2 phase commit?

1107

What is an advantage of using the jdbc connection pool?

825

What is jdbc class forname?

918

Is odbc an api?

981

How do we load the drivers?

931

How can we execute stored procedures using callablestatement?

886

What is jdbc thin client in oracle?

849

What is JDBC PreparedStatement?

902

What are the different types of classes in the api component?

922

How can you create jdbc statements?

912

How do we call a stored procedure from jdbc?

922

What is the difference between executing, executequery, executeupdate in jdbc?

952

How do I stop nullpointerexception?

911

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

948

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