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 22372

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

1 4482

What is Normalization?

Accenture, Atos Origin,

4 6049

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

1 5545

How to find number of records in result set?

2 5467

What are different types of transactions?

HCL,

2 12643

What are cursor attributes?

3 6561

What is the difference between triggers and procedures?

1 4580

Explain the different ways to register a driver?

2 8714

What are restrictions on triggers?

2232

What are statements in JAVA ?

CTS,

1 4540

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

IBM,

4 8747

What are the Isolation level in JDBC transaction?

1 5716

What are the Normalization Rules?

2 5819

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

Wipro,

2436

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Un-Answered Questions { JDBC }

Explain Basic Steps in Writing a Java Program Using Jdbc?

1063

Explain about Join?

1017

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

1189

Why resultset is used in java?

937

How do I find whether a parameter exists in the request object?

916

Which package contains jdbc api?

1043

How to use JDBC API to call Stored Procedures?

1020

Which Java and java.sql data types map to my specific database types?

1075

What does executeupdate return in jdbc?

979

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

1073

Is jdbctemplate thread safe?

903

How data can be inserted into long row column of database?

2148

Differentiate between a statement and a preparedstatement.

1025

What is a JDBC 2.0 DataSource?

975

Is oracle client required for jdbc connection?

968

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