.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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select /*+ordered use_hash(a,b,c,d) */ *
from a,b,c,d
Where ...
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create table new_emp as select * from emp unrecoverable;
create table new_emp as select * from emp nologging;
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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 ......