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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 
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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
  // "IDENTITY_INSERT (Transact-SQL)" Ö¸¶¨ÊÇ·ñÔÊÐí½«ÏÔʽֵ²åÈë±íµÄ±êʶÁÐÖС£
------------------------------------- 
·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&nb


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SELECT * from TABLE1 WHERE ROWNUM<=N
2. INFORMIX
SELECT FIRST N * from TABLE1
3. DB2
SELECT * ROW_NUMBER() OVER(ORDER BY COL1 DESC) AS ROWNUM WHERE ROWNUM<=N
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SELECT COLUMN from TABLE FETCH FIRST N ROWS ONLY
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EditPlusʵÏÖSQLÓï·¨¸ßÁÁ

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