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drop constraint
Y_Fk
Alter table Supplier1
drop constraint
X_FK
Alter table Orderitam
drop constraint
Z_fk
Alter table Order1
drop constraint
A_Fk
create table Order1
(
Id int Not null Primary Key,
Orderdate DateTime,
CustomerId int,
Orderamount int,
)
create table cus
(
id int not null Primary Key,
FirstName nvarchar(20),
LastName nvarchar(20),
City nvarchar(20),
Country nvarchar(20),
Phone int
)
create table Orderitam
(
Id int Not null Primary Key,
OrderId Int,
ProductId Int,
UnitPrice Int,
Quantity Int
)
create table Supplier1
(
Id int Not Null Primary Key,
CompanyName nvarchar(20),
ContactName nvarchar(20),
City nvarchar(20),
Country nvarchar(20),
Phone int,
Fax int
)
INSERT INTO Supplier1(ID, CompanyName, ContactName, City, Country, Phone, Fax)
VALUES(1, 'Firefox', 'John', 'Delhi', 'Country', 12345, 78910)
INSERT INTO Product1(ID, ProductName, SupplierId, UnitPrice, Package, IsDiscontinued)
VALUES(1, 'Mobile', 333, 5000, '10/02/2023', '10/02/2025')
INSERT INTO Orderitam(ID, OrderId, ProductId,UnitPrice, Quantity)
VALUES(1, 145, 136, 189, 5)
INSERT INTO cus(ID, FirstName, LastName, City, Country, Phone)
VALUES(1, 'Sourav', 'Ghosh', 'Kolkata', 'India', 33556677)
select x.ID, x.OrderDate, x.CustomerId, x.OrderAmount, y.ProductName, y.SupplierId, y.UnitPrice, y.Package, y.IsDiscontinued
from Order1 x Full join Product1 y
on x.ID = Y.ID
select a.ID, a.FirstName, a.LastName, a.City, a.Country, a.Phone, b.OrderDate, b.CustomerId, b.OrderAmount
from cus a full join Order1 b
on a.ID = b.ID
select c.ID, c.OrderDate, c.CustomerId, c.OrderAmount, d.OrderId, d.ProductId, d.unitprice, d.Quantity
from Order1 c full join Orderitam d
on c.Id=d.ID
select e.ID, e.ProductName, e.SupplierId, e.UnitPrice, e.Package, e.IsDiscontinued, f.CompanyName, f.ContactName, f.City, f.Country,f.Phone, f.fax
from Product1 e full join Supplier1 f
on e.ID=f.ID
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