What types of database exist in c plus plus?

Answer 1

#include <stdio.h>

main()

{

FILE *a;

int sno,tm,em,mm,scm,sm,hm;

char sname[20],any[1];

clrscr();

a=fopen("student.dat","a");

do

{

printf("Enter Student Number : ");

scanf("%d",&sno);

printf("Enter Student Name : ");

scanf("%s",sname);

printf("Enter Telugu Marks : ");

scanf("%d",&tm);

printf("Enter English Marks : ");

scanf("%d",&em);

printf("Enter Maths Marks : ");

scanf("%d",&mm);

printf("Enter Science Marks : ");

scanf("%d",&scm);

printf("Enter Social Marks : ");

scanf("%d",&sm);

printf("Enter Hindi Marks : ");

scanf("%d",&hm);

fprintf(a,"%d %s %d %d %d %d %d %d\n",sno,sname,tm,em,mm,scm,sm,hm);

printf("Do you wish to continue(Y/N)");

scanf("%s",any);

}while(strcmp(any,"y")==0);

fclose(a);

}

Answer 2

None. C++ is designed to be generic, not platform-specific. If you want database support, you either roll your own or you use a ready-made library.