A) TrueB) FalseExplanation: This is the new feature in the JDBC 2.0 API usage is Statement stmt = con.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE, ResultSet.CONCUR_UPDATABLE);

anitpatel

 Profile Answers by anitpatel Questions by anitpatel

• Nov 6th, 2009

True. One has to call insertRow() programmatically to get the resultset data changes reflected in database. The CONCUR_UPDATABLE implementation can be driver specific. If driver does not support this mode of update, it will not allow the resultset update.

jitender kumar

 Profile Answers by jitender kumar Questions by jitender kumar

• May 6th, 2006

False because it only update in resultset

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A) This problem can be caused by running a JDBC applet in a browser that supports the JDK 1.0.2, such as Netscape Navigator 3.0. The JDK 1.0.2 does not contain the JDBC API, so the DriverManager class typically isn't found by the Java virtual machine runningB) Most of the browsers cannot download java.* because of security reasons. Hence many vendors of all-Java JDBC drivers supply versions of the...

ajay

• Nov 21st, 2014

A

vinaymudgil007

 Profile Answers by vinaymudgil007 Questions by vinaymudgil007

• Jun 8th, 2010

My understanding says that it should be ==> ( c )

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A) Open DataBase connectivity

sandeep

• Feb 16th, 2015

Open database connectivity

atulsonkar

• Jun 5th, 2006

Open Database Connectivity

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A) Type 4 driver, or, "native protocol, pure Java" driver converts JDBC calls into the network protocol used by the database directly.B) A Type 4 driver requires no client software, so it's ideal for deployment to browsers at runtime.C) As Type 4 drivers are 100% Java, use Java sockets to connect to the database, and require no client-side data access code, they are ideal for applets or other download...

Vicky Mehra

• Apr 1st, 2014

A

Farkalit Usman

• Mar 20th, 2006

D is false, since driver is independent of browsers.

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A) java.sql.DatabaseMetaData.B) java.sql.resultsetmetadata

Chaithanya

• Oct 27th, 2014

DatabaseMetaData

ruchiverma

 Profile Answers by ruchiverma Questions by ruchiverma

• Oct 11th, 2008

Answer is java.sql.resultsetmetadata

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Gandharv

• May 1st, 2006

ResultSetMetaData interface is used to find out the types and properties of the column in the ResultSet whereas DatabaseMetaData interface provides comprehensive information about the database as a whole.

ashok

• Mar 21st, 2006

If u want to make ur application as idenpendent of the database tables,thenu can dynamically retreive the information about the database using the DatabaseMetaData and can retrieve information about the tables in the database using the ResultSetMetaData 

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bharaniprasanth

 Profile Answers by bharaniprasanth Questions by bharaniprasanth

• Mar 14th, 2008

Again there is soft deployment and hard deployment..

Abdul Gafoor

• Feb 12th, 2006

My name is Abdul Gafoor, I am a sun certified J2EE Developer.I am using Weblogic 8.1 server.Compile bean and interface program.create jar file.Before the deploy jar file.You must create connection poo...

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vinaymudgil007

 Profile Answers by vinaymudgil007 Questions by vinaymudgil007

• Jun 8th, 2010

The primary difference is that local transaction are single JVM level while global transaction are at multiple JVM level and hence global transactions need different design approach [which can be clas...

ak40732

 Profile Answers by ak40732 Questions by ak40732

• Mar 21st, 2006

A transaction is atomic unit of Work.The tasks which are made into the transaction act as a unit which can be executed successfully all,or if at least one task fails to its promise ,then the effect of...

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Supraja

• Dec 10th, 2006

The new functionality in the core JDBC 2.0 API includes scrollable result sets, batch updates, programmatic inserts, deletes, and updates, performance hints, character streams for streams of internati...

sidd

• Aug 1st, 2006

Jdbc 2.0 provides RowSer where jdbc 1.0 dosn't

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vinaymudgil007

 Profile Answers by vinaymudgil007 Questions by vinaymudgil007

• Jun 8th, 2010

We have got dribers for that !!!Thanks,Vinay

NAVEEN

• Jun 18th, 2007

Question: If Result Set is an interface, then why can we call methods like next(), isLast() etc. without defining the method body anywhere in the program? As I understand it, in an interface, methods...

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Can u give correct answer for this....!

vinaymudgil007

 Profile Answers by vinaymudgil007 Questions by vinaymudgil007

• Jun 8th, 2010

public static Enumeration getDrivers() method in java.sql.DriverManager class will do this for us.Some more useful information below:public class DriverManager is the basic service for managing a set ...

Nitesh Gupta

• Sep 10th, 2007

Through MethodDriverManger.getDriver(url)  you will get the driver name.

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koti

• Sep 9th, 2012

U store the object of a class in database. but database is meant for storing the values in the table format. for that reason only sun introduced JNDI for storing the object. by using this concept u can store the object in registry software. with that u can provide the global visibility also

jingboliu

• Sep 24th, 2007

1. Please make sure the java object is serializable2. Serialize the java object into a file3. Store the content of the file to relational database as Blob

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Which of the following values can be replaced in the place of 1 and 2 below Statement stmt= con.createStatement(1,2);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

sampra

 Profile Answers by sampra Questions by sampra

• Feb 11th, 2008

Here a and b can be used for (1,2) place respectivly.

sandeep.pandey15oct

 Profile Answers by sandeep.pandey15oct Questions by sandeep.pandey15oct

• Feb 10th, 2008

Here in given sample we can pass a and b fr place 1

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Resultset objects follow index pattern ofa)Array standardb)java standardc)RDBMS standardd)c++ standarde)pl/sql standard

Mahendra

• Oct 20th, 2020

C

kittupeddi

 Profile Answers by kittupeddi Questions by kittupeddi

• Apr 10th, 2008

It should be 'Array standard'

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How can we call a stored procedure in Java using CallableStatements? Give an example.

lilliput2009

 Profile Answers by lilliput2009 Questions by lilliput2009

• Nov 18th, 2009

import java.sql.CallableStatement;import java.sql.Connection;import java.sql.DriverManager;import java.sql.SQLException;public class Sample{    public static void main(String[] args) &...

pradeepkmr18

 Profile Answers by pradeepkmr18 Questions by pradeepkmr18

• Jul 3rd, 2008

first get connection objectConnection con=DriverManager.getConnection(); (we can get by datasourse object also)CallableStatement cstmt=con.prepareCall("{ call procedurename(?,?,?,?) }");cstmt.setString(1,ID);cstmt.setString(2,name);....ucount=cstmt.executeUpdate();

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Explain with examples for SCROLLABLE_SENSITIVE resultset?

mohanpatil

 Profile Answers by mohanpatil Questions by mohanpatil

• May 15th, 2010

If resultset is sensitive then using stmt.refreshRow() method, you get the updated data which is recently changed by other client in the database.

pradeepkmr18

 Profile Answers by pradeepkmr18 Questions by pradeepkmr18

• Jun 27th, 2008

Scrollable means the cursor can move forward or backward and Sensitive meansex:If u are using SCROLLABLE_SENSITIVE resultset i.e u have opened the result setIf any other person makes changes like inse...

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Hi,I tried using connection pooling concept through weblogic 8.1 .import java.sql.*;import javax.naming.*;import javax.sql.DataSource;public class ConnectionpoolDemo { public static void main(String[] args) { try { InitialContext ic=new InitialContext(); Object obj=ic.lookup("MyDsJNDI"); DataSource ds=(DataSource)obj; Connection con=ds.getConnection(); Statement st=con.createStatement(); ResultSet...

ashwin1483

 Profile Answers by ashwin1483 Questions by ashwin1483

• May 15th, 2008

try using this code............import java.util.*;import java.sql.*;import javax.sql.*;import javax.naming.*;public class ConnectionPool{ public static void main(String args[]) {  ...

cvshankar

 Profile Answers by cvshankar Questions by cvshankar

• Apr 23rd, 2008

The constant indicating the type for a ResultSet object that is scrollable and generally sensitive to changes made by others

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Name the method that gives the existing isolation level in JDBC.

vinaymudgil007

 Profile Answers by vinaymudgil007 Questions by vinaymudgil007

• Jun 7th, 2010

Just to add more info to the above answer (public int getTransactionIsolation() throws SQLException from Connection interface) that their is always a trade-off between isolation level and concurrency ...

awasie

 Profile Answers by awasie Questions by awasie

• Nov 14th, 2009

Isolation level represent how a database maintains data integrity against the problems like dirty reads, phantom reads and non-repeatable reads which can occur due to concurrent transactions. java.sql...

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What must be done by the system administrator in order for a programmer to use the data source?

AMit bhati

• Mar 13th, 2016

Admin must ensure that he have created JNDI in JNDI registry of respective Server.

Code
 

ketan

• Feb 3rd, 2016

Using JDBC
jdbc:oracle:thin:@localhost:
con=ods.get connection ("---path---",1521----port number---:xe)

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How to achieve a single value from web page to be updated/stored in many tables ?

sekhar

• Mar 15th, 2012

To update data in multiple table using single click ,we can go with triggers in database.we have different types of triggers like after insert,after update,after delete.Better using triggers.

G S

• Nov 4th, 2011

By using Transactions.

Every JDBC Driver will be able to perform Transactions. But its not recommended.

If we want to use out own Transactions we will set

con.setAutoCommit(false); and after executing the transactions we will execute con.commit();

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