matlab怎么连接oracle数据库

1、数据库环境搭建

（安装oracle数据库就不介绍了，如果oracle搭建好了可以不看第一步  ，直接看第二步骤ODBC环境搭建）

先cmd登陆oracle数据库

sqlplus sys as sysdba

 创建名为zwj密码为1234的用户

create user zwj identified by 1234;

给新创建的zwj用户添加connrct和resource权限 

SQL> grant connect,resource to zwj;

可视化登陆

运行以下SQL代码 （其实不运行也可以，只要自己在创建oracle数据表然后添加数据就行了，这样可以方便matlab读取数据表的数据）

-- 创建数据表
CREATE TABLE dept (
deptno NUMBER(2) CONSTRAINT PK_DEPT PRIMARY KEY,
dname VARCHAR2(14) ,
loc VARCHAR2(13) ) ;
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 );
CREATE TABLE bonus (
enamE VARCHAR2(10) ,
job VARCHAR2(9)  ,
sal NUMBER,
comm NUMBER ) ;
CREATE TABLE salgrade ( 
grade NUMBER,
losal NUMBER,
hisal NUMBER );


-- 插入测试数据 —— dept
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');
-- 插入测试数据 —— emp
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('19-04-1987','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('23-05-1987','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);
-- 插入测试数据 —— salgrade
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);

-- 事务提交
COMMIT;

创建了数据表 

 查询一下数据

 2、ODBC环境搭建

控制面板->管理工具->ODBC 数据源(64 位)->添加DSN

 

选择添加oracle数据源 

数据源名称随便写，然后点击Test Connection

 服务名：ORCL 用户名填:zwj 密码:1234

 测试链接成功

3、 matlab运行程序

clear,clc;
conn = database('oracle','zwj','1234');
curs=exec(conn, 'select * from DEPT');
curs=fetch(curs);
data=curs.Data
close(curs);
close(conn);

参考链接：https://ww2.mathworks.cn/help/database/ug/connecting-to-database.html