SQL script need to create tables.

CreateTable.sql

CREATE TABLE CUSTOMER ( CUSTOMER_ID NUMBER, FIRST_NAME VARCHAR2(50), LAST_NAME VARCHAR2(50), MIDDLE_NAME VARCHAR2(50), ADDRESS_LINE1 VARCHAR2(80), ADDRESS_LINE2 VARCHAR2(80), CITY VARCHAR2(40), COUNTRY VARCHAR2(50), DATE_ADDED DATE, REGION VARCHAR2(10) );
CREATE TABLE PRODUCT ( PRODUCT_ID NUMBER, PRODUCT_NAME VARCHAR2(100), STANDARD_COST NUMBER(10,2), COLOR VARCHAR2(20), LIST_PRICE NUMBER(10,2), PRODUCT_SIZE NUMBER(8,2), WEIGHT NUMBER(10,2), PRODUCT_CATEGORY VARCHAR2(20) );
CREATE TABLE SALES ( SALES_DATE DATE, ORDER_ID NUMBER, PRODUCT_ID NUMBER, CUSTOMER_ID NUMBER(5,0), SALESPERSON_ID NUMBER(5,0), QUANTITY NUMBER(4,0), UNIT_PRICE NUMBER(10,2), SALES_AMOUNT NUMBER(10,2), TAX_AMOUNT NUMBER(10,2), TOTAL_AMOUNT NUMBER(10,2) );
CREATE TABLE SALES_HISTORY ( SALES_DATE DATE, ORDER_ID NUMBER, PRODUCT_ID NUMBER, CUSTOMER_ID NUMBER(5,0), SALESPERSON_ID NUMBER(5,0), QUANTITY NUMBER(4,0), UNIT_PRICE NUMBER(10,2), SALES_AMOUNT NUMBER(10,2), TAX_AMOUNT NUMBER(10,2), TOTAL_AMOUNT NUMBER(10,2) );
CREATE TABLE SALESPERSON ( SALESPERSON_ID NUMBER, JOB_TITLE VARCHAR2(80),
FIRST_NAME VARCHAR2(50), LAST_NAME VARCHAR2(50), MIDDLE_NAME VARCHAR2(50), ADDRESS_LINE1 VARCHAR2(80), ADDRESS_LINE2 VARCHAR2(80), CITY VARCHAR2(40), COUNTRY VARCHAR2(50), DATE_ADDED DATE );