oracle 开发 第1章 简介

create user store identified by store_password;

grant connect,resource to store;

create table customers (
customer_id integer constraint customers_pk primary key,
first_name varchar2(10) not null,
last_name varchar2(10) not null,
dob date,
phone varchar2(12));

create table product_types (
product_type_id integer constraint product_types_pk primary key,
name varchar2(10) not null);

create table products (
product_id integer constraint products_pk primary key,
product_type_id integer constraint products_fk_product_types references product_types(product_type_id),
name varchar2(30) not null,
description varchar2(50),
price number(5,2));

create table purchases(
product_id integer constraint purchases_fk_products references products(product_id),
customer_id integer constraint purchases_fk_customers references customers(customer_id),
quantity integer not null,
constraint purchases_pk primary key (product_id,customer_id));

create table employees(
employee_id integer constraint employees_pk primary key,
manager_id integer,
first_name varchar2(10) not null,
last_name varchar2(10) not null,
title varchar2(20),
salary number(6,0));

create table salary_grades(
salary_grade_id integer constraint salary_grade_pk primary key,
low_salary number(6,0),
high_salary number(6,0));

insert all 
into customers values (1,‘John‘,‘Brown‘,to_date(‘01-JAN-65‘,‘DD-MON-RR‘),‘800-555-1211‘)
into customers values (2,‘Cynthia‘,‘Green‘,to_date(‘05-FEB-68‘,‘DD-MON-RR‘),‘800-555-1212‘)
into customers values (3,‘Steve‘,‘White‘,to_date(‘16-MAR-71‘,‘DD-MON-RR‘),‘800-555-1213‘)
into customers values (4,‘Gail‘,‘Black‘,‘‘,‘800-555-1214‘)
into customers values (5,‘Doreen‘,‘Blue‘,to_date(‘20-MAY-70‘,‘DD-MON-RR‘),‘ ‘)
select 1 from dual;

insert all 
into customers values (1,‘John‘,‘Brown‘,to_date(‘1965/01/01‘,‘yyyy/mm/dd‘),‘800-555-1211‘)
into customers values (2,‘Cynthia‘,‘Green‘,to_date(‘1968/02/05‘,‘yyyy/mm/dd‘),‘800-555-1212‘)
into customers values (3,‘Steve‘,‘White‘,to_date(‘1971/03/16‘,‘yyyy/mm/dd‘),‘800-555-1213‘)
into customers values (4,‘Gail‘,‘Black‘,‘‘,‘800-555-1214‘)
into customers values (5,‘Doreen‘,‘Blue‘,to_date(‘1970/04/20‘,‘yyyy/mm/dd‘),‘‘)
select 1 from dual;

insert all
    into product_types values (1,‘Book‘)
    into product_types values (2,‘Video‘)
    into product_types values (3,‘DVD‘)
    into product_types values (4,‘CD‘)
    into product_types values (5,‘Magazine‘)
select 1 from dual;

insert all
    into products values (1,1,‘Modern Science‘,‘A description of modern science‘,19.95)
    into products values (2,1,‘Chemistry‘,‘Introduction to Chemistry‘,30)
    into products values (3,2,‘Supernova‘,‘A star explodes‘,25.99)
    into products values (4,2,‘Tank War‘,‘Action movie about a future war‘,13.95)
select 1 from dual;

insert all
    into purchases values (1,1,1)
    into purchases values (2,1,3)
    into purchases values (1,4,1)
    into purchases values (2,2,1)
    into purchases values (1,3,1)
select 1 from dual;

insert all
    into employees values (1,‘‘,‘James‘,‘Smith‘,‘CEO‘,800000)
    into employees values (2,1,‘Ron‘,‘Johnson‘,‘Sales Manager‘,600000)
    into employees values (3,2,‘Fred‘,‘Hobbs‘,‘Salesperson‘,150000)
    into employees values (4,2,‘Susan‘,‘Jones‘,‘Salesperson‘,500000)
select 1 from dual;

insert all
    into salary_grades values (1,1,250000)
    into salary_grades values (2,250001,500000)
    into salary_grades values (3,500001,750000)
    into salary_grades values (4,750001,999999)
select 1 from dual;

insert into customers 
(customer_id,first_name,last_name,dob,phone)
values 
(6,‘Fred‘,‘Brown‘,to_date(‘1970/01/01‘,‘yyyy/mm/dd‘),‘800-555-1215‘);

update customers set last_name = ‘Orange‘ where customer_id = 2;

delete from customers where customer_id = 6;