SQL SERVER 2005 基本查询（连接查询）

use AdventureWorks
GO

SELECT c.LastName FROM Person.Contact c;

SELECT * FROM HumanResources.Employee e
INNER JOIN HumanResources.Employee m
ON e.ManagerID = m.EmployeeID; n

SELECT ProductID,Name,ProductNumber,ReorderPoint
from Production.Product
where ProductID in( select ProductID from Production.Product where ProductID in (1,2,3) )

if EXISTS( select ProductID from Production.Product where ProductID in (1,2,3) )
PRINT 'TRUE'
ELSE
PRINT 'FALSE'

SELECT e.EmployeeID,ce.FirstName,ce.LastName
FROM HumanResources.Employee e
INNER JOIN HumanResources.Employee m
ON e.ManagerID = m.EmployeeID
INNER JOIN Person.Contact ce
ON e.ContactID = ce.ContactID
INNER JOIN Person.Contact cm
ON m.ContactID = cm.ContactID
WHERE cm.FirstName = 'Jo' and cm.LastName = 'Brown';

Select SalesOrderID,SUM(OrderQty) as sum
from Sales.SalesOrderDetail
where SalesOrderID between 43684 and 43686
group by SalesOrderID
having SUM(OrderQty) > 5

create table UserInfor
(
UserID int not null,
FirstName nvarchar(50),
LastName nvarchar(50)
)
GO
ALTER TABLE UserInfor
add primary key (UserID)

INSERT INTO UserInfor(UserID,FirstName,LastName)
SELECT e.EmployeeID,ce.FirstName,ce.LastName
FROM HumanResources.Employee e
INNER JOIN HumanResources.Employee m
ON e.ManagerID = m.EmployeeID
INNER JOIN Person.Contact ce
ON e.ContactID = ce.ContactID
INNER JOIN Person.Contact cm
ON m.ContactID = cm.ContactID
WHERE cm.FirstName = 'Jo' and cm.LastName = 'Brown';

declare @MyTable table
(
SalesOrderID int,
CustomerID int
)

INSERT INTO @MyTable(SalesOrderID,CustomerID)
select SalesOrderID,CustomerID
from AdventureWorks.Sales.SalesOrderHeader
where SalesOrderId between 50222 and 50225

select * from @MyTable

create table Shippers
(
ShipperID int identity not null primary key,
ShipperName varchar(30) not null,
Address varchar(20) not null,
City varchar(25) not null,
State char(2) not null,
Zip varchar(14) not null,
PhoneNo varchar(14) not null UNIQUE
)

alter table HumanResources.Employees
add CONSTRAINT AK_EmployeeSSN
UNIQUE(SSN)