| DROP TABLE D | |
| DROP TABLE C | |
| DROP TABLE B | |
| DROP TABLE A | |
| go | |
| CREATE TABLE A | |
| ( | |
| ID INT PRIMARY KEY NOT NULL, | |
| LASTNAME VARCHAR(32) NULL, | |
| FIRSTNAME VARCHAR(32) NULL, | |
| HIREDATE DATETIME NULL, | |
| BIRTHDATE DATETIME NULL, | |
| SALARY FLOAT NOT NULL | |
| ) | |
| CREATE TABLE B | |
| ( | |
| ID DATETIME PRIMARY KEY NOT NULL, | |
| NAME VARCHAR(32) NULL | |
| ) | |
| CREATE TABLE C | |
| ( | |
| ID INT PRIMARY KEY NOT NULL, | |
| NAME VARCHAR(32) NULL | |
| ) | |
| go |