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/*
 *  ¸Ã¹¦ÄÜÖ÷ÒªÊÇÑÝʾ£¬Í¬Ê±Á¬½ÓÁ½¸ö²¢·¢µÄÊý¾Ý¿â
 */
/* °üº¬CÍ·Îļþ */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
/* °üº¬SQLCAÍ·Îļþ */
EXEC SQL INCLUDE sqlca;
EXEC SQL INCLUDE sqlda;
int main()
{
    EXEC SQL BEGIN DECLARE SECTION;
    int  money;
    char answerbuff[200];
    int flag;
    EXEC SQL END DECLARE SECTION;
    /*
     * ¶¨ÒåÊäÈëËÞÖ÷±äÁ¿:½ÓÊÕÓû§Ãû¡¢¿ÚÁîºÍÍøÂç·þÎñÃû
     *
     */
    char username[10],password[10],server[10], conn_var[20];
    strcpy(username,"data_center");
    strcpy(password,"data_center");
    strcpy(server,"oradf1"); /*ÕâÀïÌîдµÄÊÇÊý¾Ý¿âµÄSID*/
    strcpy(conn_var,"llcore");
    /* Á¬½Óµ½Ä¬ÈÏÊý¾Ý¿â */
    EXEC SQL CONNECT :username IDENTIFIED BY :password USING :server;
    if (sqlca.sqlcode==0)
        printf("ĬÈÏÁ¬½Ó³É¹¦!\n");
    else
        /* ÏÔʾÁ¬½Ó´íÎóÏûÏ¢ */
        printf("%.*s\n", sqlca.sqlerrm.sqlerrml,
                sqlca.sqlerrm.sqlerrmc);
    /*¶Ï¿ªÊý¾Ý¿âÁ¬½Ó*/
    EXEC SQL COMMIT RELEASE;
    printf("¶Ï¿ªÁ¬½Ó!\n");;
    /* Á¬½Óµ½·ÇĬÈÏÊý¾Ý¿â */
    /*ÕâÀïÓÐÁ½ÖÖÁ¬½Ó·½Ê½£¬Ö»È¡Ò»ÖÖºÍĬÈϵķ½Ê½±£³ÖÒ»Ö´Ç*/
    EXEC SQL CONNECT :username IDENTIFIED BY :password  AT:conn_var USING :server;
    if (sqlca.sqlcode==0)
        printf("·ÇĬÈÏÁ¬½Ó³É¹¦!\n");
    else
      &


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#include <stdio.h>
#include <stdlib.h> //use malloc, free
#include <string.h> //use memset
#include <ctype.h> //use isdigit
#define ERROR_ILLEGAL_CHAR 1 //define error illegal character as 1
#define ERROR_NUMBERS_DIF 2 //define error numbers is not the same in diffe ......
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