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

JDBC Interview Questions

Questions Answers Views Company eMail

What is isolation level? How to set it?

FGG,

2214

Explain the sequence of steps to connect to the database?

Wipro,

3 11165

Without using of Class.forName(? ?), how do you connect to db?

IBM,

3 8872

How do you debug PL/SQL code?

1 5480

How do you know which driver is connected to a database?

3 8037

How is jndi useful for Database connection?

1 5258

How to check null value in JDBC?

CTS,

1 5495

How the information about db(database) can be retrieved?

3 5723

How to store images in database?

2 5966

How vendor Naming registry supports JNDI?

2205

How transactions are performed using JDBC ?

2 6449

If iam using JDBC API, do I also have to use ODBC?

1 3814

How to know howmuch data is truncated?

Mastek,

2369

Under what circumstances, that all four drivers are used?

TCS,

2414

What type of driver you use in real-time projects?

3 7384

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Un-Answered Questions { JDBC }

What is SQL Warning? How to retrieve SQL warnings in the JDBC program?

1047

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

1008

What is jdbc type?

890

What is jdbc odbc driver?

1035

What is a statement in java?

897

How can you load the drivers?

971

Which type of JDBC driver is the fastest one?

1091

What is a connection string used for?

971

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

1000

What are the classes and methods used for sending sql statements to database?

1082

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

1189

What is difference between java.util.Date and java.sql.Date?

1127

What is new in JDBC 2.0?

1026

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

1091

Which type of driver is unique in jdbc?

987

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