我們先來看看Oracle中scott使用者幾張表的資料結構：
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以下操作在Oracle資料庫進行(如果需要)
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建立表格：CREATE TABLE dept
(
deptno INT PRIMARY KEY,
dname VARCHAR(14),
loc VARCHAR(13)
);
CREATE TABLE emp
(EMPNO INT(4) PRIMARY KEY,
ENAME VARCHAR(10),
JOB VARCHAR(9),
MGR INT(4),
HIREDATE DATE,
SAL DOUBLE,
COMM DOUBLE,
deptno INT,
FOREIGN KEY (deptno) REFERENCES dept(deptno));
CREATE TABLE salgrade
(grade INT PRIMARY KEY,
losal INT,
hisal INT);
插入測試資料：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‘);
INSERT INTO emp VALUES
(7369,‘SMITH‘,‘CLERK‘,7902,DATE(‘1980-12-17‘),800,NULL,20);
INSERT INTO emp VALUES
(7499,‘ALLEN‘,‘SALESMAN‘,7698,DATE(‘1981-2-20‘),1600,300,30);
INSERT INTO emp VALUES
(7521,‘WARD‘,‘SALESMAN‘,7698,DATE(‘1981-2-22‘),1250,500,30);
INSERT INTO emp VALUES
(7566,‘JONES‘,‘MANAGER‘,7839,DATE(‘1981-4-2‘),2975,NULL,20);
INSERT INTO emp VALUES
(7654,‘MARTIN‘,‘SALESMAN‘,7698,DATE(‘1981-9-28‘),1250,1400,30);
INSERT INTO emp VALUES
(7698,‘BLAKE‘,‘MANAGER‘,7839,DATE(‘1981-5-1‘),2850,NULL,30);
INSERT INTO emp VALUES
(7782,‘CLARK‘,‘MANAGER‘,7839,DATE(‘1981-6-9‘),2450,NULL,10);
INSERT INTO emp VALUES
(7788,‘SCOTT‘,‘ANALYST‘,7566,DATE(‘1987-4-19‘),3000,NULL,20);
INSERT INTO emp VALUES
(7839,‘KING‘,‘PRESIDENT‘,NULL,DATE(‘1981-11-17‘),5000,NULL,10);
INSERT INTO emp VALUES
(7844,‘TURNER‘,‘SALESMAN‘,7698,DATE(‘1981-9-8‘),1500,0,30);
INSERT INTO emp VALUES
(7876,‘ADAMS‘,‘CLERK‘,7788,DATE(‘1987-5-23‘),1100,NULL,20);
INSERT INTO emp VALUES
(7900,‘JAMES‘,‘CLERK‘,7698,DATE(‘1981-12-3‘),950,NULL,30);
INSERT INTO emp VALUES
(7902,‘FORD‘,‘ANALYST‘,7566,DATE(‘1981-12-3‘),3000,NULL,20);
INSERT INTO emp VALUES
(7934,‘MILLER‘,‘CLERK‘,7782,DATE(‘1982-1-23‘),1300,NULL,10);
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);
總結：建立表的時候将NUMBER換成int,varchar2換成varchar,datetime換成date,插入表的時候用DATE函數。
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以下操作在Mysql使用者進行
==============================================================CREATE TABLE dept
(
deptno INT PRIMARY KEY,
dname VARCHAR(14),
loc VARCHAR(13)
);
CREATE TABLE emp
(EMPNO INT(4) PRIMARY KEY,
ENAME VARCHAR(10),
JOB VARCHAR(9),
MGR INT(4),
HIREDATE DATE,
SAL DOUBLE,
COMM DOUBLE,
deptno INT,
FOREIGN KEY (deptno) REFERENCES dept(deptno));
CREATE TABLE salgrade
(grade INT PRIMARY KEY,
losal INT,
hisal INT);
===========================插入資料===========================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‘);INSERT INTO emp VALUES
(7369,‘SMITH‘,‘CLERK‘,7902,DATE(‘1980-12-17‘),800,NULL,20);
INSERT INTO emp VALUES
(7499,‘ALLEN‘,‘SALESMAN‘,7698,DATE(‘1981-2-20‘),1600,300,30);
INSERT INTO emp VALUES
(7521,‘WARD‘,‘SALESMAN‘,7698,DATE(‘1981-2-22‘),1250,500,30);
INSERT INTO emp VALUES
(7566,‘JONES‘,‘MANAGER‘,7839,DATE(‘1981-4-2‘),2975,NULL,20);
INSERT INTO emp VALUES
(7654,‘MARTIN‘,‘SALESMAN‘,7698,DATE(‘1981-9-28‘),1250,1400,30);
INSERT INTO emp VALUES
(7698,‘BLAKE‘,‘MANAGER‘,7839,DATE(‘1981-5-1‘),2850,NULL,30);
INSERT INTO emp VALUES
(7782,‘CLARK‘,‘MANAGER‘,7839,DATE(‘1981-6-9‘),2450,NULL,10);
INSERT INTO emp VALUES
(7788,‘SCOTT‘,‘ANALYST‘,7566,DATE(‘1987-4-19‘),3000,NULL,20);
INSERT INTO emp VALUES
(7839,‘KING‘,‘PRESIDENT‘,NULL,DATE(‘1981-11-17‘),5000,NULL,10);
INSERT INTO emp VALUES
(7844,‘TURNER‘,‘SALESMAN‘,7698,DATE(‘1981-9-8‘),1500,0,30);
INSERT INTO emp VALUES
(7876,‘ADAMS‘,‘CLERK‘,7788,DATE(‘1987-5-23‘),1100,NULL,20);
INSERT INTO emp VALUES
(7900,‘JAMES‘,‘CLERK‘,7698,DATE(‘1981-12-3‘),950,NULL,30);
INSERT INTO emp VALUES
(7902,‘FORD‘,‘ANALYST‘,7566,DATE(‘1981-12-3‘),3000,NULL,20);
INSERT INTO emp VALUES
(7934,‘MILLER‘,‘CLERK‘,7782,DATE(‘1982-1-23‘),1300,NULL,10);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);
原文：http://alipay.blog.51cto.com/7119970/1570488