insert field into existing table in SQL

insert field into existing table in SQL
here table name is student
---------------------------------------

alter table student
add(stdAddress varchar2(25));

insert values into a table

insert values into a table
here student is table name

insert into student
values(01,'ABC','XII');

WAP function using a pointer to a function

/*WAP Invoking a function using a pointer to a function */

#include<stdio.h>
#include<conio.h>
main( )
{
 int  display( ) ;
 int  ( *func_ptr )( ) ;

 func_ptr = display ;  /* assign address of function */ 
 printf ( "\nAddress of function display is %u", func_ptr ) ;
 ( *func_ptr )( ) ;  /* invokes the function display( ) */
         getch();
}

int  display( )
{
 puts ( "\nLong live viruses!!" ) ;
}

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