Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

SQL SERVER 2005 »ù±¾²éѯ£¨Á¬½Ó²éѯ£©

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,


Ïà¹ØÎĵµ£º

sql checkÔ¼Êø

CHECK Ô¼Êø(CHECK Ô¼Êø:¶¨ÒåÁÐÖпɽÓÊܵÄÊý¾ÝÖµ¡£¿ÉÒÔ½« CHECK Ô¼ÊøÓ¦ÓÃÓÚ¶à¸öÁУ¬Ò²¿ÉÒÔ½«¶à¸ö CHECK Ô¼ÊøÓ¦ÓÃÓÚµ¥¸öÁС£µ±³ýȥij¸ö±íʱ£¬Ò²½«³ýÈ¥ CHECK Ô¼Êø¡£)Ö¸¶¨¿ÉÓɱíÖÐÒ»Áлò¶àÁнÓÊܵÄÊý¾ÝÖµ»ò¸ñʽ¡£ÀýÈ磬¿ÉÒÔÒªÇó authors ±íµÄ zip ÁÐÖ»ÔÊÐíÊäÈëÎåλÊýµÄÊý×ÖÏî¡£
¡¡¡¡
¡¡¡¡¿ÉÒÔΪһ¸ö±í¶¨ÒåÐí¶à CHECK Ô¼Êø¡£¿ ......

sqlÓï¾äÓÅ»¯3


 
µÍЧ: (Ë÷ÒýʧЧ)
SELECT … from DEPARTMENT WHERE DEPT_CODE IS NOT NULL;
¸ßЧ: (Ë÷ÒýÓÐЧ)
SELECT … from DEPARTMENT WHERE DEPT_CODE >=0;
£¨27£©×ÜÊÇʹÓÃË÷ÒýµÄµÚÒ»¸öÁУº
Èç¹ûË÷ÒýÊǽ¨Á¢ÔÚ¶à ......

SQLÊý¾Ý¿â

 CURSOR
==================================
l  SQL ÓαêCURSORµÄʹÓÃ
 
ʹÓÃÆðÀ´ºÜ¼òµ¥£¬Ïȶ¨Ò壬Ȼºó¸³¸öÖµ£¬´ò¿ª£¬Í¨¹ýWhile Loop Ò»¸öÒ»¸ö¶ÁÏÂÈ¥£¬×îºó¹Ø±Õ£¬ÊÍ·ÅÄÚ´æ¡£»ù±¾Ì×·ÈçÏ£º
DECLARE MyCursor cursor /* ÉùÃ÷Óα꣬ĬÈÏΪµ¥´¿ÏòǰµÄÓαꡣÈç¹ûÏëҪǰºóÌøÀ´ÌøÈ¥µÄ£¬Ð´³ÉScroll Cursor¼ ......

SQLÊý¾Ý¿â

1.      ´æ´¢¹ý³Ì(¶¨Òå&±àд)
l  ´´½¨´æ´¢¹ý³Ì
CREATE PROCEDURE storedproc1
AS
SELECT *
from tb_project
WHERE  Ô¤¼Æ¹¤ÆÚ<= 90
ORDER BY  Ô¤¼Æ¹¤ÆÚ DESC
GO
exec storedproc1
GO
 
l   Ð޸Ĵ洢¹ý³Ì
ALTER PROCEDURE storedproc1
AS
SEL ......

SQLÊý¾Ý¿â

l  ÔÚ³ÌÐòÖÐÆ´½ÓSQLÃüÁî
¿ÉÊÇÈçºÎÔÚC#³ÌÐòÖÐÔËÐÐÄØ£¿ÎÒÃǼǵÃÔÚÆÕͨµÄSQL²éѯÖУ¬Ò»°ãÐèÒª°Ñ²éѯÓï¾ä¸³Öµ¸øSalCommand.CommandTextÊôÐÔ£¬ÕâÀïÒ²¾ÍÏñÆÕͨµÄSQL²éѯÓï¾äÒ»Ñù£¬½«ÕâЩÓï¾ä¸³¸øSqlCommand.CommandTextÊôÐÔ¼´¿É¡£Òª×¢ÒâµÄÒ»µãÊÇ£¬ÆäÖеÄ"GO"Óï¾ä±êÖ¾×ÅSQLÅú´¦ÀíµÄ½áÊø£¬±àдSQL½Å±¾ÊÇÐèÒªµÄ£¬µ«ÊÇÔÚÕâÀïÊDz ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ