#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;}

--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;