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

sql·ÖÒ³

declare @p int
declare @p1 int
declare @count int
set @p=0
set @p1=10
set @count=2
if(@count<>0 or @count<>1)
set @p=@p1*@count-10
SELECT [t1].[userid], [t1].[username], [t1].[userorder]
from (
    SELECT ROW_NUMBER() OVER (ORDER BY [t0].[userorder]) AS [ROW_NUMBER], [t0].[userid], [t0].[username], [t0].[userorder]
    from [dbo].[users] AS [t0]
    ) AS [t1]
WHERE [t1].[ROW_NUMBER] BETWEEN @p + 1 AND @p + @p1


Ïà¹ØÎĵµ£º

Ãâ°²×°Oracle¿Í»§¶ËʹÓÃPL/SQLÁ¬½ÓOracle


´ó¼Ò¶¼ÖªµÀ£¬ÓÃPL/SQLÁ¬½ÓOracle£¬ÊÇÐèÒª°²×°Oracle¿Í»§¶ËÈí¼þµÄ¡£ÓÐûҪÏë¹ý²»°²×°Oracle¿Í»§¶ËÖ±½ÓÁ¬½ÓOracleÄØ£¿
      ÆäʵÎÒÒ»Ö±ÏëÕâÑù×ö£¬ÒòΪÕâ¸ö¿Í»§¶ËʵÔÚÌ«ÈÃÈËÌÖÑáÁË£¡£¡£¡²»µ«»á°²×°Ò»¸öJDK£¬¶øÇÒ»¹»á°Ñ×Ô¼º·ÅÔÚ»·¾³±äÁ¿µÄ×îÇ°Ãæ£¬»áÔì³É²»Ð¡µÄÂé·³¡£
    &n ......

Çå³ýSQL SERVER Êý¾Ý¿âÈÕÖ¾

  1.Çå¿ÕÈÕÖ¾  
  DUMP     TRANSACTION     ¿âÃû     WITH     NO_LOG          
   
  2.½Ø¶ÏÊÂÎñÈÕÖ¾£º  
  BACKUP   LOG   Êý¾Ý¿âÃû   WITH   NO_LOG  
    ......

×¢Èë³£ÓÃSQLÓï¾ä


and exists (select * from sysobjects) //ÅжÏÊÇ·ñÊÇMSSQL
and exists(select * from tableName) //ÅжÏij±íÊÇ·ñ´æÔÚ..tableNameΪ±íÃû
and 1=(select @@VERSION) //MSSQL°æ±¾
And 1=(select db_name()) //µ±Ç°Êý¾Ý¿âÃû
and 1=(select @@servername) //±¾µØ·þÎñÃû
and 1=(select IS_SRVROLEMEMBER('sysadmin')) //Å ......

PL/SQL ѧϰ±Ê¼Ç1

PL/SQL ²»¾ß±¸ÊäÈëÊä³öµÄÄÜÁ¦
µ«ÊÇ¿ÉÒÔÒÀ¿¿»·¾³À´Ö´ÐÐÊýÖµµÄÊäÈëÊä³ö¸øPL/SQL ¿é
SQLPLUS »·¾³ÓÃsubstitution variables ºÍ host(bind) variable À´´«ÈëÊýÖµ¸øPL/SQL¿é
substitution variable: such as a preceding ampersand  &a
host(bind) variable : such as a  preceding colon :x
Ìæ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ