A) ResultSet. TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLYB) ResultSet. TYPE_SCROLL_INSENSITIVE , ResultSet. CONCUR_UPDATABLEC) ResultSet. CONCUR_UPDATABLE,ResultSet. TYPE_SCROLL_SENSITIVED) ResultSet. CONCUR_UPDATABLE,ResultSet. TYPE_FORWARD_ONLY

sravan

• Jun 30th, 2006

A and Bbecause, the createStatement() method takes ResultSet Type as 1st argument and concurrency as 2nd argument. we cannot alter this.

rmaghi@yahoo.com

 Profile Answers by rmaghi@yahoo.com Questions by rmaghi@yahoo.com

• Dec 13th, 2005

Answer: A

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A) 1B) 2C) 1, 2D) Neither of the above

ravikumarzee@gmail.com

 Profile Answers by ravikumarzee@gmail.com Questions by ravikumarzee@gmail.com

• Feb 16th, 2006

Both 1 and 2 are correct. A static block is  written in every Driver class to register the driver, which gets executed when the class is loaded.

kiranreddy_zwx

 Profile Answers by kiranreddy_zwx Questions by kiranreddy_zwx

• Jan 9th, 2006

B

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A) TRANSACTION_READ_UNCOMMITTEDB) TRANSACTION_READ_ COMMITTEDC) TRANSACTION_SERIALIZABLED) TRANSACTION_REPEATABLE_WRITEExplanation: it is TRANSACTION_REPEATABLE_READ and not TRANSACTION_REPEATABLE_WRITE

srivanisama

 Profile Answers by srivanisama Questions by srivanisama

• May 31st, 2007

TRANSACTION_READ_UNCOMMITED  is correct answer i.e A

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Supraja

• Dec 10th, 2006

As per JDBC architecture all four drivers are connection oriented

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Atul Shelke

• Nov 29th, 2006

The osagent is a process that allows CORBA servers to register their objects and assists client applications in the location of objects. RMI Registry is a remote object registry started on the specifi...

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surendra.java

 Profile Answers by surendra.java Questions by surendra.java

• Nov 28th, 2007

1st: register with drive2nd: make a connection3rd: write statement or procedurestatement4th: write a sql stmt using statement methods

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Consider the following:-ID [_______]Name [_______]Marks [_______]NEW EDIT CLOSEThis is a form which I have made. What i need is When I click on NEW button, if textboxes should be cleared and the text on the NEW button should change to SAVE. the EDIT button should be disabled and CLOSE should change to CANCEL.I am able to change the text of the buttons using settext command...

ShahnawazSheikh

 Profile Answers by ShahnawazSheikh Questions by ShahnawazSheikh

• Jan 15th, 2008

Hi Dude..It's a a very simple problem what u need to do is ..Let,  JButton n1=new JButton("New"); n1.setActionCommand("New"); JButton n1=new JButton("Save&q...

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What is the functionality of the cancel() method, provided in java.sql.Statement?

bino75

 Profile Answers by bino75 Questions by bino75

• Sep 16th, 2009

Cancels the Statement object if both the DBMS and driver support aborting an SQL statement. This method can be used by one thread to cancel a statement that is being executed by another thread.

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Explain working of Java Virtual Machine (JVM)
Explain the working cycle of the JDBC-ODBC connectivity?

Ashwinshenoy7

 Profile Answers by Ashwinshenoy7 Questions by Ashwinshenoy7

• May 9th, 2011

As the question says JVM and JDBC, let me tell you what JVM is initially,JVM is java virtual machine which is platform dependent but Java is platform independent and its source code can be executed on...

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chandrika soni

• Apr 2nd, 2012

Java Native Interface (JNI)

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How can we retrieve a whole row of data at once in JDBC ?

karthikdivi

 Profile Answers by karthikdivi Questions by karthikdivi

• Jan 17th, 2012

As of now it is not possible.

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As prepare statement also precompiles the SQL stmt & stored procedure also compiles the stmt once &den execute the same,then what is the diff between these 2 stmts?

Murali100

 Profile Answers by Murali100 Questions by Murali100

• Oct 7th, 2012

The difference between these two statements are
1) SQL Query will be compiled every time it is executed. whereas Stored Procedures are compiled only once when they are executed for the first time
2) Stored Procedure is efficient & fast execution than SQL query

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Why we call Class.forName() not Class.Name()?

Abhinav Kumar Jain

• Jun 18th, 2016

We use Class.forName because of it is responsible to register the driver.ex. Class.forName("oracle.jdbc.driver.OracleDriver"); but Class.Name is not such method.

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Chidambara Gupta. Cheedella

• Sep 21st, 2005

Batch Updates are nothing but a bunch of updations that are done at a time without interruption. All the update statements are added to a Batch by using the addBatch() method and the Batch is&nbs...

sendil

• Sep 12th, 2005

we can add batch system using add.batch();

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Prasanna V V

• Aug 31st, 2005

Also JDBC2.0 provides extended support for transactions that includes batch updates and savepoints

PChal

• Aug 11th, 2005

JDBC 2.0 Provides RowSet Implementation

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The JDBC Driver interface provides vendor-specific implementations of the abstract classes provided by the JDBC API. Each vendors driver must provide implementations of the java.sql.Connection,Statement,PreparedStatement, CallableStatement, ResultSet and Driver.

pavan

• Feb 3rd, 2006

As has been mentioned above, the implementations are provided by the database vendors like for example, the classes12.jar of oracle which has the implementations.

Ravi

• Aug 23rd, 2005

In jdbc connecion is a interface , we are using the methods in that interface but we didnt provide any implementation where is the implementation? 

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Create an instance of a JDBC driver or load JDBC drivers through jdbc.driversRegister a driverSpecify a databaseOpen a database connectionSubmit a queryReceive results

srilatha

• Jan 22nd, 2006

import java.sql.*;class Type1 { public static void main(String[] args)throws Exception {  Connection c=null;  try  {    Driver d=new Driver("sun....

Jayachandran

• Jan 3rd, 2006

Please Can any post the sample code for this set of operations. How do we register ?. Through DirverManager or what else ?

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A URL string -->getConnection-->DriverManager-->Driver-->Connection-->Statement-->executeQuery-->ResultSet.

kalyan789

 Profile Answers by kalyan789 Questions by kalyan789

• Apr 23rd, 2009

I guess, order is like this1) load driver2) register driver to driver manager3) get connection from driver manager4) get statement object from connection5) create queries and execute them6) close connection

Suresh Pendyala

• May 8th, 2005

1). Register the Driver 2) load the Driver 3)get the connection 4) create the statement 5) Execute the query 6) fetch the results with ResultSet

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It is used to create an instance of a driver and register it with the DriverManager. When you have loaded a driver, it is available for making a connection with a DBMS.

M.Nithiyanandhan

• Oct 17th, 2005

It is used tom initialize the driver .

deepak

• Sep 24th, 2005

class.forName()method create an  instance of specified driver, loads that driver, and then register that driver with the DriverManager class.

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Another new feature in the JDBC 2.0 API is the ability to update rows in a result set using methods in the Java programming language rather than having to send an SQL command. But before you can take advantage of this capability, you need to create a ResultSet object that is updatable. In order to do this, you supply the ResultSet constant CONCUR_UPDATABLE to the createStatement method.E.g.Connection...

kalyan789

 Profile Answers by kalyan789 Questions by kalyan789

• Apr 23rd, 2009

Following above answer, we can iterate through result set using, next() method and set corresponding column values for each row, using setInt/String/Float etc methods specifying column index or column name and value.Thankskalyan

Ashwini

• Oct 26th, 2005

New Features of JDBC2.0To make a updateble resultset use,Resultset.CONCUR_UPDATABLE 

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