shopping mall managment system

2. CREATE TABLE shopping_mall
(
branch_idnumber(20)primarykey,
branch_name varchar2(20),
Street VARCHAR2(20) ,
City VARCHAR2(20) ,
State CHAR(20),
Zip VARCHAR2(10));
INSERTING VALUES IN SHOPPING MALL
DELETE VALUES FROM SHOPPING MALL
delete fromshopping_mall
where branch_id=001

3. DELETE COLUMNINTABLE
altertable shopping_malldrop
columnstate
CREATE TABLE employee
(
employee_idnumber(20) primarykey,
first_name varchar(20),
last_name varchar(20),
email varchar(20),
phone_nonumber(20),
salarynumber(20),
branch_idnumber(20),
foreignkey(branch_id)
references shopping_mall(branch_id)
);

4. AFTER INSERTING VALUES IN EMPLOYEE TABLE:
CREATE TABLE customers(
customer_id NUMBER(20)primary key,
customer_name VARCHAR2(30),
Street VARCHAR2(20) ,
City VARCHAR2(20) ,
State CHAR(20),

5. Zip VARCHAR2(10) ,
Phone VARCHAR2(12)
Product_idnumber(20)
Foreignkey(product_id)
Referencesproducts(product_id)
);
Afterinsertingvalues:

6. CREATE TABLE products
(
product_idnumber(20)primarykey,
product_name varchar(20),
product_costnumber(20),
exp_date char(20),
sales_date char(20),
customer_idnumber(20),
foreignkey(customer_id)
referencescustomers(customer_id)
);
Afterinsertingvaluesinproducts:

7. CREATE TABLE Orders
(
Order_Idnumber(20),
Order_nonumber(20),
customer_IDnumber(20) referencescustomers(customer_ID),
Product_IDnumber(20) referencesProducts(Product_ID),
Primarykey(order_id,Customer_id,Product_ID)
);
Afterinsertingvaluesinorders

8. Joins
Select
shopping_mall.branch_id,shopping_mall.branch_name,employee.employee_id,employee.first_name
fromshopping_mall,employee
where shopping_mall.branch_id=employee.branch_id
select
customers.customer_id,customers.customer_name,customers.phone,products.product_id,products.pro
duct_name,products.product_cost,orders.order_id,orders.customer_id,orders.product_id
fromcustomers,products,orders
where customers.product_id=products.product_id
select
customers.customer_id,customers.customer_name,customers.phone,products.product_id,products.pro
duct_name,products.product_cost,orders.order_id,orders.customer_id,orders.product_id
fromcustomers,products,orders
where customers.product_id=products.product_idandorders.product_id=customers.product_id