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1 spool
spool d:\test\table.dat
select * from table_name;
spool off
2 sqlplus user/password@sid @test.sql > table.dat
test.sql
     select * from table_name;
     exit;


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--ɾ³ýij¸öÓû§ÏµĶÔÏó   
set heading off;   
set feedback off;   
spool c:\dropobj.sql;   
  prompt --Drop constraint   
 select 'alter t ......

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2.ToadÖÐÌṩµÄ£º
ÿÌ죺trunc(sysdate+1)
ÿÖÜ£ºtrunc(sysdate+7)
ÿÔ£ºtrunc(sysdate+30)
ÿ¸öÐÇÆÚÈÕ£ºnext_day(trunc(sysdate),'SUNDAY')
ÿÌì6µã£ºtrunc(sysdate+1)+6/24
°ë¸öСʱ£ºsysdate+30/1440
3.ÿ¸ö ......

Oracle 11g µÄ ×Ô¶¯ÄÚ´æ¹ÜÀí

Oracle µÄ 9i/10g ÖÐÒѾ­¶ÔÄÚ´æ¹ÜÀíÖð²½×öÁ˺ܴóµÄ¼ò»¯£¬11g Ôò¸ü½øÒ»²½£¬ÒýÈëÁËÒ»¸öеĸÅÄî×Ô¶¯»¯ÄÚ´æ¹ÜÀí(Automatic Memory Management,AMM) . Èç¹û DBA ÕæµÄÏë͵ÀÁµÄ»°£¬Ö»ÐèÒªÉ趨Á½¸ö²ÎÊý¾Í¿ÉÒÔ°Ñ·³ÐĵÄÊÂÇé¶¼½»¸ø Oracle ÕÛÌÚÁË(Ö»Òª DBA ×ã¹»ÐÄ¿í)¡£PGA Óë SGA Ò»Æð¸ã¶¨¡£ÕâÁ½¸ö²ÎÊý·Ö±ðÊÇ£º
MEMORY_TARGET--²Ù×÷Ï ......

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1.´´½¨ÁÙʱ±í¿Õ¼ä
CREATE TEMPORARY TABLESPACE Test_temp
TEMPFILE 'E:\Test\TEST_temp.dbf'
SIZE 32M
AUTOEXTEND ON
NEXT 32M MAXSIZE 2048M
EXTENT MANAGEMENT LOCAL;
2.´´½¨Óû§±í¿Õ¼ä
create tablespace TEST
datafile 'E:\TEST\TEST.dbf'
size  100M
autoextend on maxsize     ......
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