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

SQL Server·ÖÒ³3ÖÖ·½°¸±ÈÆ´

½¨Á¢±í£º
CREATE TABLE [TestTable] (
 [ID] [int] IDENTITY (1, 1) NOT NULL ,
 [FirstName] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ,
 [LastName] [nvarchar] (100) COLLATE Chinese_PRC_CI_AS NULL ,
 [Country] [nvarchar] (50) COLLATE Chinese_PRC_CI_AS NULL ,
 [Note] [nvarchar] (2000) COLLATE Chinese_PRC_CI_AS NULL
) ON [PRIMARY]
GO
 
²åÈëÊý¾Ý£º(2ÍòÌõ£¬Óøü¶àµÄÊý¾Ý²âÊÔ»áÃ÷ÏÔһЩ)
SET IDENTITY_INSERT TestTable ON
declare @i int
set @i=1
while @i<=20000
begin
    insert into TestTable([id], FirstName, LastName, Country,Note) values(@i, 'FirstName_XXX','LastName_XXX','Country_XXX','Note_XXX')
    set @i=@i+1
end
SET IDENTITY_INSERT TestTable OFF
 
-------------------------------------
·ÖÒ³·½°¸Ò»£º(ÀûÓÃNot InºÍSELECT TOP·ÖÒ³)
Óï¾äÐÎʽ£º
SELECT TOP 10 *
from TestTable
WHERE (ID NOT IN
          (SELECT TOP 20 id
         from TestTable
         ORDER BY id))
ORDER BY ID
SELECT TOP Ò³´óС *
from TestTable
WHERE (ID NOT IN
          (SELECT TOP Ò³´óС*Ò³Êý id
         from ±í
         ORDER BY id))
ORDER BY ID
-------------------------------------
·ÖÒ³·½°¸¶þ£º(ÀûÓÃID´óÓÚ¶àÉÙºÍSELECT TOP·ÖÒ³£©
Óï¾äÐÎʽ£º
SELECT TOP 10 *
from TestTable
WHERE (ID >
          (SELECT MAX(id)
         from (SELECT TOP 20 id
                 from TestTable
                 ORDER BY id) AS T))
ORDER BY ID
SELECT TOP Ò³´óС *
from TestTable
WHERE (ID >
      


Ïà¹ØÎĵµ£º

VB.NETÖÐÄܲ»ÄܶÔDATASETÔÙÓÃSQLÓïÑÔ

¿ÉÒÔɸѡÊý¾Ý£¬µ«²»ÄÜÊDZê×¼µÄSQLÓï¾ä£º
Me.DsUserManager1.Tables(0).Select("id > 5 and id <20")
---------------------------------------------------------------
1.ɸѡ£º
dataset.tables("tabname").select("id=1")'Ï൱ÓÚSQLÖÐWHEREºóµÄÌõ¼þÄÚÈÝ
2.±£´æµ½ÄÄ£¿Õâµ¹ÊDz»Öª ......

ÔÙ̸ Sql Á½ÐбäÒ»ÐРʵÀý

ÒªÇó£º °´ lct1£¬ lct2  ÅÅÐòºóµÄǰÁ½Ìõ¼Í¼£¬ÏÔʾΪÏÂÁнá¹û£º
item_cd1   item_cd2            lct
01             a         ......

sqlÃæÊÔÌâÄ¿

Sql³£ÓÃÓï·¨ÏÂÁÐÓï¾ä²¿·ÖÊÇMssqlÓï¾ä£¬²»¿ÉÒÔÔÚaccessÖÐʹÓá£
 
SQL·ÖÀࣺ
DDL—Êý¾Ý¶¨ÒåÓïÑÔ(CREATE£¬ALTER£¬DROP£¬DECLARE)
DML—Êý¾Ý²Ù×ÝÓïÑÔ(SELECT£¬DELETE£¬UPDATE£¬INSERT)
DCL—Êý¾Ý¿ØÖÆÓïÑÔ(GRANT£¬REVOKE£¬COMMIT£¬ROLLBACK) Ê×ÏÈ,¼òÒª½éÉÜ»ù´¡Óï¾ä£º
1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE ......

Ò»²¿µçÄÔ,Íæ×ªsql server¶à»úÁ¬½Ó.

    ×î½ü,Òò¸öÈ˵çÄÔÓ²ÅÌËð»µ,йºÈëÁË500GµÄ´óÓ²ÅÌ,°²×°ÁËwindows7,ÔÚwin7Éϰ²×°Á˶à¸öÐéÄâxp»ú,ÐéÄâ»úÓëʵ¼ÊµÄ»úÆ÷(Ö÷»ú)×é³ÉÁËÒ»¸ö¾ÖÓòÍø,ʵÏÖÔÚÐéÄâ»úÖÐͨ¹ýÔ¶³ÌÁ¬½ÓÖ÷»úµÄsql server.ÏÖ½«ÎÒµÄÊÔÑé¹ý³Ì½éÉÜÈçÏÂ,¹©ÓÐÐËȤ³¢ÊԵĴóÏÀ²Î¿¼.
1. °²×°ÐéÄâ»ú»·¾³.
ÏȰ²×°window7.0Æì½¢°æ (רҵÓëÆóÒµ°æÒ²¿ ......

SQL Server 2008ÏÂÔØ&ÆÆ½â

´Ó¹ÙÍøÏÂÔØSQL Server 2008µÄ180ÌìÊÔÓðæÆäʵÓëÕýʽ°æÄÚÈÝÊÇ»ù±¾ÏàͬµÄ£¬Î¨Ò»µÄÇø±ð¾ÍÔÚÓÚ°²×°ÅäÖÃÎļþÖÐËù°üº¬µÄkey¡£¸÷ÖÖ°æ±¾µÄSQL ServerÔÚ½øÐе½ÕâÒ»²½Ö®Ç°¶¼ÊÇÍêȫһÑùµÄ£º
Microsoft® SQL Server® 2008 Enterprise Evaluation£º¿ª·¢ÈËÔ±ÊÔÓÃÌåÑé
Microsoft® SQL Server® 2008 Enterprise Evaluatio ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ