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

JDBC Interview Questions

Questions Answers Views Company eMail

r u used any design patterns in your project?

Wipro,

3 7828

What is the use of prepared statement?Ans:used to execute pre compiled statement...so the question is when that precompiled statement will be execute or comiple?................

TCS,

6 12379

After creating conntinpool in weblogic how to write the code in programe where i can use that pool object in the programe connecting to the database and how to debug programe withou eclipse

Wipro,

2 5635

Hi to all.. well i want to make a standalone application which can use the concept of connection pooling, constraint is that i have not to use any application server like weblogic etc. Please help me out. Thaks in advance.

Huawei,

3 6886

How to find the column count in resultset?

Wipro,

1 5405

How to find total column from a resultset?

TSYS,

6 13403

preparedstatement p= new preparedstatement is it possible ?

Fidelity, IBM, Infrasys,

10 19251

callable is interface or class ?

Fidelity,

9 17657

which scenarios we go for jdbc,and which scenario we go for connection polling and wat r advantages and disadvantages using connection pooling.

TCS,

2 6530

what is rowset?

Marlabs,

3 9464

how to retrieve sql exceptions

Bosch,

2 7274

Explain how data flows from view to db and reverse

Bosch,

2050

How to handle when the database crashes while reading the data from the database?

IBM,

2 6836

dear friends I have made connection with SQLSERVER where the following code is compiling properly but giving error at the runtime . I think error in this line where i am sending the value through string Connection connection = DriverManager.getConnection ( "jdbc:microsoft:sqlserver://localhost:1433","sa",""); import java.sql.*; //import mssqlserver.*; public class TestSQLCON { public TestSQLCON() throws Exception { // Get connection DriverManager.registerDriver(new com.microsoft.jdbc.sqlserver.SQLServerDriver()); System.out.println(); System.out.println("Successfully connected one"); System.out.println(); Connection connection = DriverManager.getConnection ( "jdbc:microsoft:sqlserver://localhost:1433","sa",""); if (connection != null) { System.out.println(); System.out.println("Successfully connected"); System.out.println(); // Meta data DatabaseMetaData meta = connection.getMetaData(); System.out.println("\nDriver Information"); System.out.println("Driver Name: " + meta.getDriverName()); System.out.println("Driver Version: " + meta.getDriverVersion()); System.out.println("\nDatabase Information "); System.out.println("Database Name: " + meta.getDatabaseProductName()); System.out.println("Database Version: "+ meta.getDatabaseProductVersion()); } } public static void main (String args[]) throws Exception { TestSQLCON test = new TestSQLCON(); } } so please help me

2 5357

i have 1000 records in resultset, how to get first 100 records from resultset, because resultset fetch all 1000 records at a time?

HSBC,

8 21353

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Un-Answered Questions { JDBC }

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

Explain about multiple implementations and drive manager?

1049

Explain about Join?

1018

What are the different types of resultset?

986

What is the execute method in java?

1020

What is connection data?

913

Give an example for execution of sql statement.

1042

Why we use jdbc instead of odbc?

986

How can you use preparedstatement in jdbc?

998

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

1043

Explain the importance of drivermanager.

1189

What is meant by connection string?

995

What are temp tables ?

980

How to insert an image or raw data into database?

1001

What should be done for auto generating primary key id in a table ?

975

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