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

JDBC Interview Questions

Questions Answers Views Company eMail

commit() and rollback() methods are defined in which interface?

5 22184

can we define indexes on a foreign key? Explain pros and cons?

1 4401

What is Normalization?

Accenture, Atos Origin,

4 5902

What is the equivalent method for precompiled SQL Statement in JDBC?

1 5488

How to find number of records in result set?

2 5365

What are different types of transactions?

HCL,

2 12528

What are cursor attributes?

3 6439

What is the difference between triggers and procedures?

1 4497

Explain the different ways to register a driver?

2 8615

What are restrictions on triggers?

2169

What are statements in JAVA ?

CTS,

1 4482

What are pros and cons of using of Type-2 and Type-4 Drivers over Type-1 driver?

IBM,

4 8601

What are the Isolation level in JDBC transaction?

1 5641

What are the Normalization Rules?

2 5715

What are the common JDBC problems that you got and how do you solved them?

Wipro,

2400

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Un-Answered Questions { JDBC }

What is the difference between client and server database cursors?

1108

What is connection data?

870

How many jdbc driver types are there?

891

What is jdbc connection interface?

949

Why should we close database connections in java?

1103

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

1017

How can we execute stored procedures using callablestatement?

897

What are the jdbc statements?

950

Explain the difference between rowset vs. Resultset in jdbc?

955

Expalin the method of calling a stored procedure from jdbc.

926

What do you mean by database connection pooling?

913

Give steps to connect to the db using jdbc?

981

When do we use execute method in java jdbc?

948

What does connection pooling mean ?

949

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

1152

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