| DROP TABLE D; | |
| DROP TABLE C; | |
| DROP TABLE B; | |
| DROP TABLE A; | |
| CREATE TABLE A | |
| ( | |
| id INT PRIMARY KEY, | |
| lastName VARCHAR2(32) NULL, | |
| firstName VARCHAR2(32) NULL, | |
| hireDate DATE NULL, | |
| birthDate DATE NULL, | |
| salary FLOAT NOT NULL | |
| ); | |
| CREATE TABLE B | |
| ( | |
| id TIMESTAMP PRIMARY KEY, | |
| name VARCHAR2(32) NULL | |
| ); | |
| CREATE TABLE C | |
| ( | |
| id INT PRIMARY KEY, | |
| name VARCHAR2(32) NULL | |
| ); | |
| commit; | |
| quit; |