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

SQL SERVER 2005¹ý³Ì·ÖÒ³

AspNetPagerÊÇÒ»¸ö±È½ÏºÃµÄ·ÖÒ³¿Ø¼þ,¸Ã¿Ø¼þʹÓùý³Ì·Öҳʮ·Ö·½±ã,¹ý³ÌÈçÏÂ:
Create PROCEDURE [dbo].[pt_AspNetPager]
(
@tableName varchar(255), -- ±íÃû
@fieldName varchar(400)= '*', -- ×Ö¶ÎÃû
@strWhere varchar(255) = Null,
@fieldOrder varchar(100), --²»ÄÜΪ¿Õ
@startIndex int ......

Oracle SQL ÓÅ»¯

Oracle
SQL
µÄÓÅ»¯¹æ
Ôò£º
¾¡Á¿ÉÙÓÃIN²Ù×÷·û£¬»ù±¾ÉÏËùÓеÄIN²Ù×÷·û¶¼¿ÉÒÔÓÃEXISTS´úÌæ
        ÓÃINд³öÀ´µÄSQL
µÄÓŵãÊDZȽÏÈÝÒ×д¼°ÇåÎúÒ×¶®£¬µ«ÊÇÓÃINµÄSQL
ÐÔÄÜ×ÜÊDZȽϵ͵쬴ÓORACLE
Ö´
ÐеIJ½ÖèÀ´·ÖÎöÓÃINµÄSQL
Óë²»ÓÃINµÄSQL
ÓÐ
ÒÔÏÂÇø±ð£º
    ......

Oracle SQLµÄÓÅ»¯


SQLµÄÓÅ»¯Ó¦¸Ã´Ó
5
¸ö·½Ãæ½øÐе÷Õû£º
1.È¥µô²»±ØÒªµÄ´óÐͱíµÄÈ«±íɨÃè
2.»º´æÐ¡ÐͱíµÄÈ«±íɨÃè
3.¼ìÑéÓÅ»¯Ë÷ÒýµÄʹÓÃ
4.¼ìÑéÓÅ»¯µÄÁ¬½Ó¼¼Êõ
5.¾¡¿ÉÄܼõÉÙÖ´Ðмƻ®µÄ
Cost
SQLÓï¾ä£º
ÊǶÔÊý¾Ý¿â(
Êý¾Ý
)
½øÐвÙ×÷µÄΩһ;¾¶£»
ÏûºÄÁË70%~90%
µÄÊý¾Ý¿â×ÊÔ´£»¶ÀÁ¢ÓÚ³ÌÐòÉè¼ÆÂß¼­£¬Ïà¶ÔÓÚ¶Ô³ÌÐòÔ´´úÂëµÄÓÅ»¯£¬ ......

SQL ÃæÊÔÌâÒ»

1.ÓÃÒ»ÌõSqlÓï¾ä²éѯ³öÿÃŹ¦¿Î¶¼´óÓÚ80·ÖµÄѧÉúÐÕÃû 
Name
Class
Result
ÕÅÈý
ÓïÎÄ
56
ÕÅÈý
Êýѧ
88
ÀîËÄ
ÓïÎÄ
92
ÀîËÄ
Êýѧ
100
ÍõÎå
ÓïÎÄ
88
ÍõÎå
Êýѧ
99
ÍõÎå
Ó¢Óï
99
-------------------------------------------------------------------------------
´ð°¸£º
SELECT DISTINCT nam ......

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¿ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ