Yurttas/PL/DBL/oracle/F/03/Bank/Branch-ins.pc

  1/*
  2REM
  3REM
  4REM branch-ins.pc
  5REM
  6REM
  7*/
  8
  9#include <stdio.h>
 10#include <sqlca.h>
 11
 12#define UNAME_LEN 32
 13#define PWD_LEN   16
 14
 15VARCHAR username[UNAME_LEN]; /* VARCHAR is an Oracle-supplied struct */
 16VARCHAR password[PWD_LEN];   /* varchar can be in lower case also. */
 17
 18char u_name[UNAME_LEN];
 19char pwd[PWD_LEN];
 20
 21void connect_to_oracle();
 22void sql_error();
 23
 24void main(int argc, char* argv[]) {
 25  connect_to_oracle();
 26
 27  EXEC SQL
 28    WHENEVER SQLERROR DO sql_error("Error in INSERT_table: Branch");
 29
 30  EXEC SQL
 31    INSERT INTO Branch 
 32      VALUES ('Downtown', 9000000, 'Brooklyn');
 33
 34  EXEC SQL
 35    INSERT INTO Branch 
 36      VALUES ('Redwood', 2100000, 'Palo Alto');
 37
 38  EXEC SQL
 39    INSERT INTO Branch 
 40      VALUES ('Perryridge', 1700000, 'Horseneck');
 41
 42  EXEC SQL
 43    INSERT INTO Branch 
 44      VALUES ('Mianus', 400000, 'Horseneck');
 45
 46  EXEC SQL
 47    INSERT INTO Branch 
 48      VALUES ('Round Hill', 8000000, 'Horseneck');
 49
 50  EXEC SQL
 51    INSERT INTO Branch 
 52      VALUES ('Pownal', 300000, 'Bennington');
 53
 54  EXEC SQL
 55    INSERT INTO Branch 
 56      VALUES ('North Town', 3700000, 'Rye');
 57
 58  EXEC SQL
 59    INSERT INTO Branch 
 60      VALUES ('Brighton', 7100000, 'Brooklyn');
 61
 62  EXEC SQL COMMIT WORK RELEASE;
 63
 64  exit(0);
 65}
 66
 67
 68void sql_error(char* msg) {
 69  char err_msg[128];
 70  int buflen, msglen;
 71
 72  EXEC SQL WHENEVER SQLERROR CONTINUE;
 73
 74  printf("%s \n", msg);
 75  buflen = sizeof(err_msg);
 76  sqlglm(err_msg, &buflen, &msglen);
 77  printf("%.*s \n", msglen, err_msg);
 78  exit(1);
 79}
 80
 81
 82void connect_to_oracle()
 83{
 84  /* get your username/passwd from "user_pwd.txt" file */
 85
 86  FILE *in_file;
 87  in_file = fopen("user_pwd.txt", "r");
 88  fscanf(in_file, "%s", u_name);
 89  fscanf(in_file, "%s", pwd);
 90
 91  strncpy((char *) username.arr, u_name, UNAME_LEN);
 92  username.len = strlen((char *) username.arr);
 93
 94  strncpy((char *) password.arr, pwd, PWD_LEN);
 95  password.len = strlen((char *) password.arr);
 96
 97  EXEC SQL WHENEVER SQLERROR DO sql_error ("ORACLE error-- ");
 98  EXEC SQL CONNECT :username IDENTIFIED BY :password;
 99
100  printf("connected to oracle - \n");
101}