Pro * c Oracle 12c

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<sqlca.h>

void main()
{
  char username[10], password[10], server[10];
  char name[11], title[10];
  float salary;
  printf("input name:");
  gets(username);
  printf("input pass:");
  gets(password);
  printf("input server:");
  gets(server);
  EXEC SQL CONNECT :username IDENTIFIED BY :password USING :server;
  printf("input empoyee name:");
  gets(name);
  EXEC SQL SELECT sal, job INTO :salary, :title FROM emp WHERE UPPER(ename) = UPPER(:name);
  printf("title:%s, salary:%6.2f\n", title, salary);
  EXEC SQL COMMIT RELEASE;
}

编译命令: proc iname=Demo01.pc parse=full include=/home/oracle/Oracle_12c/app/oracle/product/12.1.0/dbhome_1/precomp/public/ include=/usr/local/include/ include=/usr/include/

编译后生成：Demo01.c

编 译命令: gcc -o Demo01 Demo01.c -I /home/oracle/Oracle_12c/app/oracle/product/12.1.0/dbhome_1/precomp/public/ -L /home/oracle/Oracle_12c/app/oracle/product/12.1.0/dbhome_1/lib -l clntsh

运行中间文件: ./Demo01

input name : dingyingsi(数据库用户名)

input pass  : dingyingsi(数据库密码)

input server : 127.0.0.1

input empolyee : smith

Oracle scott 用户表结构及数据

--建立表 和删除表;
DROP TABLE DEPT;
CREATE TABLE DEPT
       (DEPTNO NUMBER(2) CONSTRAINT PK_DEPT PRIMARY KEY,
    DNAME VARCHAR2(14) ,
    LOC VARCHAR2(13) ) ;

--建立表 和删除表;
DROP TABLE EMP;
CREATE TABLE EMP
       (EMPNO NUMBER(4) CONSTRAINT PK_EMP PRIMARY KEY,
    ENAME VARCHAR2(10),
    JOB VARCHAR2(9),
    MGR NUMBER(4),
    HIREDATE DATE,
    SAL NUMBER(7,2),
    COMM NUMBER(7,2),
    DEPTNO NUMBER(2) CONSTRAINT FK_DEPTNO REFERENCES DEPT);

---插入dept语句块;
INSERT INTO DEPT VALUES
    (10,'ACCOUNTING','NEW YORK');
INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');
INSERT INTO DEPT VALUES
    (30,'SALES','CHICAGO');
INSERT INTO DEPT VALUES
    (40,'OPERATIONS','BOSTON');

---插入EMP语句块;
INSERT INTO EMP VALUES
(7369,'SMITH','CLERK',7902,to_date('17-12-1980','dd-mm-yyyy'),800,NULL,20);
INSERT INTO EMP VALUES
(7499,'ALLEN','SALESMAN',7698,to_date('20-2-1981','dd-mm-yyyy'),1600,300,30);
INSERT INTO EMP VALUES
(7521,'WARD','SALESMAN',7698,to_date('22-2-1981','dd-mm-yyyy'),1250,500,30);
INSERT INTO EMP VALUES
(7566,'JONES','MANAGER',7839,to_date('2-4-1981','dd-mm-yyyy'),2975,NULL,20);
INSERT INTO EMP VALUES
(7654,'MARTIN','SALESMAN',7698,to_date('28-9-1981','dd-mm-yyyy'),1250,1400,30);
INSERT INTO EMP VALUES
(7698,'BLAKE','MANAGER',7839,to_date('1-5-1981','dd-mm-yyyy'),2850,NULL,30);
INSERT INTO EMP VALUES
(7782,'CLARK','MANAGER',7839,to_date('9-6-1981','dd-mm-yyyy'),2450,NULL,10);
INSERT INTO EMP VALUES
(7788,'SCOTT','ANALYST',7566,to_date('12-06-1987','dd-mm-yyyy')-85,3000,NULL,20);
INSERT INTO EMP VALUES
(7839,'KING','PRESIDENT',NULL,to_date('17-11-1981','dd-mm-yyyy'),5000,NULL,10);
INSERT INTO EMP VALUES
(7844,'TURNER','SALESMAN',7698,to_date('8-9-1981','dd-mm-yyyy'),1500,0,30);
INSERT INTO EMP VALUES
(7876,'ADAMS','CLERK',7788,to_date('13-06-1987','dd-mm-yyyy')-51,1100,NULL,20);
INSERT INTO EMP VALUES
(7900,'JAMES','CLERK',7698,to_date('3-12-1981','dd-mm-yyyy'),950,NULL,30);
INSERT INTO EMP VALUES
(7902,'FORD','ANALYST',7566,to_date('3-12-1981','dd-mm-yyyy'),3000,NULL,20);
INSERT INTO EMP VALUES
(7934,'MILLER','CLERK',7782,to_date('23-1-1982','dd-mm-yyyy'),1300,NULL,10);

DROP TABLE BONUS;
CREATE TABLE BONUS
    (
    ENAME VARCHAR2(10)    ,
    JOB VARCHAR2(9)  ,
    SAL NUMBER,
    COMM NUMBER
    ) ;

DROP TABLE SALGRADE;
CREATE TABLE SALGRADE
      ( GRADE NUMBER,
    LOSAL NUMBER,
    HISAL NUMBER );

--插入 SALGRADE 语句块;
INSERT INTO SALGRADE VALUES (1,700,1200);
INSERT INTO SALGRADE VALUES (2,1201,1400);
INSERT INTO SALGRADE VALUES (3,1401,2000);
INSERT INTO SALGRADE VALUES (4,2001,3000);
INSERT INTO SALGRADE VALUES (5,3001,9999);
COMMIT;

--查询部分;
select * from emp;
select * from dept;