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create table ORDERITEM
(Id int Not Null Primary Key,
OrderId int,
ProductId int,
UnitPrice int,
Quantity int)
insert into ORDERITEM(Id,OrderId,ProductId,UnitPrice,Quantity)
Values(1,1,1,10,5),
(2,2,2,34,3),
(3,3,3,45,7),
(4,4,4,54,8),
(5,5,5,32,2)
SELECT * FROM ORDERITEM
create table Product
(Id int Not Null Primary Key,
ProductName nvarchar(50),
SupplierId int,
UnitPrice float,
Package nvarchar(50),
isDiscontinued int)
insert into Product(Id,ProductName,SupplierId,UnitPrice,Package,isDiscontinued)
Values(1,'PEN',1,23,'ABC',1),
(2,'BALL',2,34,'BCD',1),
(3,'HAT',3,45,'CDE',1),
(4,'FURR',4,56,'DEF',0),(5,'MUG',5,57,'YAA',0)
SELECT * FROM Product
create table ORDERtbl
(Id int Not Null Primary Key,
OrderDate DATE,
CustomerId int,
TotalAmount float)
insert into ORDERtbl(Id,OrderDate,CustomerId,TotalAmount)
Values(1,'2022-03-02',1,33),
(2,'2022-03-01',2,44),
(3,'2022-04-03',3,55),
(4,'2022-01-03',4,66),
(5,'2022-01-02',5,77)
SELECT * FROM ORDERtbl
create table SUPPLIER
(Id int Not Null Primary Key,
CompanyName nvarchar(50),
ContactName nvarchar(50),
City nvarchar(50),
Country nvarchar(50),
Phone int,
Fax int)
insert into SUPPLIER(Id,CompanyName,ContactName,City,Country,Phone,Fax)
Values(1,'CompanyA','SupplierA','New Dehi','India',123,321),
(2,'CompanyB','SupplierB','New Dehi','India',234,432),
(3,'CompanyC','SupplierC','New Dehi','India',345,543),
(4,'CompanyD','SupplierD','New Dehi','India',456,654),
(5,'CompanyE','SupplierE','New Dehi','India',567,765)
SELECT * FROM SUPPLIER
create table CUSTOMER
(Id int Not Null Primary Key,
FirstName nvarchar(50),
LastName nvarchar(50),
City nvarchar(50),
Country nvarchar(50),
Phone int)
insert into CUSTOMER(Id,FirstName,LastName,City,Country,Phone)
Values(1,'YASHI','RAI','LUCKNOW','INDIA',1234567),
(2,'PARVIKA','GUPTA','AGRA','INDIA',1234),
(3,'YASHVI','JAIN','BANGALORE','INDIA',123),
(4,'TEEJAY','SINHA','GURGAON','INDIA',12),
(5,'AMAAN','ANJUM','LUCKNOW','INDIA',12345)
SELECT * FROM CUSTOMER
alter table ORDERITEM
add constraint ORDERITEM_PRODUCT_FK Foreign Key(ProductId)
references PRODUCT
alter table ORDERITEM
add constraint ORDERITEM_ORDER_FK Foreign Key(OrderId)
references ORDERtbl
alter table PRODUCT
add constraint PRODUCT_SUPPLIER_FK Foreign Key(SupplierId)
references SUPPLIER
alter table ORDERtbl
add constraint ORDER_CUSTOMER_FK Foreign Key(CustomerId)
references CUSTOMER
update Product
set UnitPrice=57
where UnitPrice=56
delete OrderItem
where id=1
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