what is dual table which is used as a table in sql...

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svsraju81  

 Profile Answers by svsraju81 Questions by svsraju81

• Member Since Jul-2008 | Jul 24th, 2008

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Dual table is a temporary table, it contains a single row and single column. If we return a data from dual table it gives a single row.

sudipta kumar dhal

• Sep 5th, 2011

Dual table is called a dummy table because it is not meant for storing any useful data.

d_pranjal

 Profile Answers by d_pranjal Questions by d_pranjal

• Sep 5th, 2010

Dual table is owned by SYS. Data dictionary come under SYS, dual is part of data dictionary. Dual table consist only one row and only one column containing value x

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ashish_setia  

 Profile Answers by ashish_setia Questions by ashish_setia

• Member Since Oct-2006 | Oct 3rd, 2006

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check out this example

class Checkmain{
public static void main(String args[]){
args[1]="ashish";
System.out.println("hello ");
}
}
class Checkmain1 extends Checkmain{
public static void main(String args[]){
System.out.println("how r u");
}

}
class Jo{
public static void main(String args[]){
String S[]=new String[10] ;

Checkmain.main(S);
Checkmain1.main(S);
}}

vivek

• Aug 26th, 2017

Yes you can only do that by overriding main method signature for eg main(String[] args) to main(). Certainly there are no other ways to do that because JVM needs strings array arguments to take comma...

Dharmendra Singh

• Sep 15th, 2016

yes we can"java public class HelloWorld { // arguments are passed using the text field below this editor public static void main(String[] args) { String []s =new Str...

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