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

Oracle SQL*LoaderÊý¾Ý×°ÔØ

SQL*Loader ÓÃÓÚ½«´óÁ¿Êý¾Ý×°ÈëÊý¾Ý¿â¡£
¢Å¡¢¶¨¿íÊý¾Ý
´´½¨Êý¾ÝÎļþcontrol.txt£º
aaa,bbb
ccc,ddd
eee,fff
´´½¨¿ØÖÆÎļþcontrol.ctl£º
load data
infile 'c:\loader.txt'
append
into table tester.mm(
m1 position(1:3) char,
m2 position(5:7) char)
ÅúÁ¿¼ÓÔØÊý¾Ý£º
sqlldr tester/test control=c:\loader.ctl data=c:\loader.txt
¢Æ¡¢¶¨½ç·ûÊý¾Ý
´´½¨Êý¾ÝÎļþcontrol.txt£º
abc|def,xyz
a,bbb
cc,ddd
eee-dd,fff-le
´´½¨¿ØÖÆÎļþcontrol.ctl£º
load data
infile 'c:\loader.txt'
append
into table tester.mm(
m1 char terminated by ",",
m2 char terminated by ",")
ÅúÁ¿¼ÓÔØÊý¾Ý£º
sqlldr tester/test control=c:\loader.ctl data=c:\loader.txt


Ïà¹ØÎĵµ£º

jdbcÁ¬½ÓOracle

      ËäȻѧϰJavaºÜ¾ÃÁË£¬×Ô¼ºÒ²Á¬½Ó¹ýһЩÊý¾Ý¿â£¬±ÈÈçmysqlÖ®ÀàµÄ£¬Èç½ñÄØ£¬Ò²Ñ§Ï°ÁËÒ»¶Îʱ¼äµÄOracle£¬È»¶øÄØ£¬½ñÌìÊÇÎÒµÚÒ»´ÎÁ¬½ÓOracle£¬ºÙºÙ£¬Ó¦¸Ã»¹²»ËãÌ«³Ù°É¡£
    ½ñÌìÄØ£¬Óе㱿׾£¬´ó¼ÒĪЦ£¡
    ÎÒÕâÊÇÒ»¸ö²éѯÀý×Ó
    Ê×ÏÈ£¬Ô ......

º½¿Õ¹«Ë¾¹ÜÀíϵͳ(VC++ ÓëSQL 2005)

ϵͳ»·¾³£ºWindows 7
Èí¼þ»·¾³£ºVisual C++ 2008 SP1 +SQL Server 2005
±¾´ÎÄ¿µÄ£º±àдһ¸öº½¿Õ¹ÜÀíϵͳ
      ÕâÊÇÊý¾Ý¿â¿Î³ÌÉè¼ÆµÄ³É¹û£¬ËäÈ»³É¼¨²»¼Ñ£¬µ«ÊÇ×÷ΪÎÒÓÃVC++ ÒÔÀ´±àдµÄ×î´ó³ÌÐò»¹ÊÇ´«µ½ÍøÉÏ£¬ÒÔ¹©²Î¿¼¡£ÓÃVC++ ×öÊý¾Ý¿âÉè¼Æ²¢²»ÈÝÒ×£¬µ«Ò²²»ÊDz»¿ÉÄÜ¡£ÒÔÏÂÊÇÎҵijÌÐò½çÃæ£¬ºóÃæ ......

SQL ¶àÐкϲ¢Îª1ÐÐ ÐèҪдº¯Êý

 select * from formtable_main_20
sp_help formtable_main_20
--drop view zcountQJ01
create view zcountQJ01
as
select appman ,year(startdata) as zyear,jb,cast(sum(num) as decimal(4,1) ) as num
from formtable_main_20
where year(getdate()) = year(startdata)
group by appman,jb,year(startdata) ......

SQL ÁÙʱ±íÓëÁÙʱ±äÁ¿±í

 
         ÔÚSQLServerµÄÐÔÄܵ÷ÓÅÖУ¬ÓÐÒ»¸ö²»¿É±ÈÄâµÄÎÊÌ⣺ÄǾÍÊÇÈçºÎÔÚÒ»¶ÎÐèÒª³¤Ê±¼äµÄ´úÂë»ò±»Æµ·±µ÷ÓõĴúÂëÖд¦ÀíÁÙʱÊý¾Ý¼¯?±í±äÁ¿ºÍÁÙʱ±íÊÇÁ½ÖÖÑ¡Ôñ¡£ÈçºÎÈ·¶¨Ê²Ã´Ê±ºòÓÃÁÙʱ±í£¬Ê²Ã´Ê±ºòÓñí±äÁ¿ÄØ£¿ÁÙʱ±íºÍ±í±äÁ¿¶¼ÓÐÌØ¶¨µÄÊÊÓû·¾³¡£
¡¡¡¡±í±äÁ¿
¡¡¡¡±äÁ¿¶ ......

SQL SERVER 2005 Ò³ÃæÎļþÍ·²¿½á¹¹

       Next up in the Inside the Storage Engine series is a discussion of page structure. Pages exist to store records. A database page is an 8192-byte (8KB) chunk of a database data file. They are aligned on 8KB boundaries within the data files, starting at byte-offset ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ