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.batÆô¶¯Êý¾Ý¿â·þÎñ(MSSQL,Oracle)

 @echo off
:dosmenu
REM Ñ¡Ôñ²Ëµ¥
echo  Windows ·þÎñÆô¶¯»ò¹Ø±Õ By hope 2008Äê2ÔÂ7ÈÕ     
echo.
echo [1]Æô¶¯Sql Server2005   [2]¹Ø±ÕSql Server2005
echo [3]Æô¶¯Oracle9i         [4]¹Ø±ÕOracle9i
echo.
echo             ÆäËü¼üÍ˳ö±¾³ÌÐò
echo.
set /P CHS= ÇëÑ¡Ôñ·þÎñ: [1],[2],[3],[4]
if /I "%CHS%"=="1" (
goto aaaa
)
if /I "%CHS%"=="2" (
goto bbbb
)
if /I "%CHS%"=="3" (
goto cccc
)
if /I "%CHS%"=="4" (
goto dddd
)
goto close
:aaaa
REM Æô¶¯Sql Server2005
net start MSSQLSERVER
pause
cls
goto dosmenu
:bbbb
REM ¹Ø±ÕSql Server2005
net stop MSSQLSERVER
pause
cls
goto dosmenu
:cccc
REM Æô¶¯Oracle9I
net start "OracleServiceHOPE"
net start "OracleOraHome92TNSListener"
pause
cls
goto dosmenu
:dddd
REM Æô¶¯Oracle9I
net stop "OracleOraHome92TNSListener"
net stop "OracleServiceHOPE"
pause
cls
goto dosmenu
:close
REM Í˳ö
exit
-----------------------------------
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oracle hintÖÐordered ºÍleadingÔ­ÀíºÜºÃµÄÌû×Ó

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ÎÒÓÐÒ»¸öSQLÌí¼ÓÈçÏÂhint,Ä¿µÄÊÇÖ¸¶¨hash_join·½Ê½¡£
select /*+ordered use_hash(a,b,c,d) */ *
from a,b,c,d
Where ...
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    ÊýÁ¿¼¶£ºa:1000Ìõ,  b:100 ÍòÌõ£¬ ......

oracleѧϰ±Ê¼Ç2

ʹÓÃunrecoverable´´½¨±í
create table new_emp as select * from emp unrecoverable;
create table new_emp as select * from emp nologging; 
ÍÆ¼öʹÓÃlogging»òÕßnologging.
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alter table emp move storage(initial 1m next 512k mimexte ......

Oracle expÏê½â

 µ¼Èë/µ¼³öÊÇORACLEÐÒ´æµÄ×î¹ÅÀϵÄÁ½¸öÃüÁîÐй¤¾ß£¬ÆäʵÎÒ´ÓÀ´²»ÈÏΪExp/ImpÊÇÒ»Öֺõı¸·Ý·½Ê½£¬ÕýÈ·µÄ˵·¨ÊÇExp/ImpÖ»ÄÜÊÇÒ»¸öºÃµÄת´¢¹¤¾ß£¬ÌرðÊÇÔÚСÐÍÊý¾Ý¿âµÄת´¢£¬±í¿Õ¼äµÄÇ¨ÒÆ£¬±íµÄ³éÈ¡£¬¼ì²âÂß¼­ºÍÎïÀí³åÍ»µÈÖÐÓв»Ð¡µÄ¹¦ÀÍ¡£µ±È»£¬ÎÒÃÇÒ²¿ÉÒÔ°ÑËü×÷ΪСÐÍÊý¾Ý¿âµÄÎïÀí±¸·ÝºóµÄÒ»¸öÂß¼­¸¨Öú±¸·Ý£¬Ò²ÊDz»´íµ ......

Oracle 11g SECUREFILES


Oracle Êý¾Ý¿â 11gÃæÏò DBA ºÍ¿ª·¢ÈËÔ±µÄÖØÒªÐÂÌØÐÔ:SecureFiles£º
1¡¢SecureFiles£ºÐ LOB 
Á˽âÈçºÎʹÓÃÐÂÒ»´ú LOB£ºSeureFiles¡£SecureFiles ¼¯ÍⲿÎļþºÍÊý¾Ý¿â LOB ·½·¨µÄÓŵãÓÚÒ»Éí£¬¿ÉÒÔ´æ´¢·Ç½á¹¹»¯Êý¾Ý£¬ÔÊÐí¼ÓÃÜ¡¢Ñ¹Ëõ¡¢Öظ´Ïû³ýµÈµÈ¡£ 
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ÄúÔÚ Oracle Êý¾Ý¿âÖÐ ......

Oracle Ŀ¼·þÎñ

Create directoryÈÃÎÒÃÇ¿ÉÒÔÔÚOracleÊý¾Ý¿âÖÐÁé»îµÄ¶ÔÎļþ½øÐжÁд²Ù×÷£¬¼«´óµÄÌá¸ßÁËOracleµÄÒ×ÓÃÐԺͿÉÀ©Õ¹ÐÔ¡£
ÆäÓ﷨Ϊ:
CREATE [OR REPLACE] DIRECTORY directory
AS 'pathname
';
±¾°¸Àý¾ßÌå´´½¨ÈçÏÂ:
create or replace directory exp_dir as '/tmp';
Ŀ¼´´½¨ÒԺ󣬾ͿÉÒ԰ѶÁдȨÏÞÊÚÓèÌØ¶¨Óà ......
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