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CREATE TABLESPACE "SAMPLE"
LOGGING
DATAFILE 'D:\ORACLE\ORADATA\ORA92\LUNTAN.ora' SIZE 5M
REUSE AUTOEXTEND
ON NEXT 51200K MAXSIZE 3900M
EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO
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(1)TEMPORARY: ÁÙʱ±í¿Õ¼ä,ÓÃÓÚÁÙʱÊý¾ÝµÄ´æ·Å;
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CREATE TEMPORARY TABLESPACE "SAMPLE"......
(2)UNDO : »¹Ô±í¿Õ¼ä. ÓÃÓÚ´æÈëÖØ×öÈÕÖ¾Îļþ.
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CREATE UNDO TABLESPACE "SAMPLE"......
(3)Óû§±í¿Õ¼ä: ×îÖØÒª,Ò²ÊÇÓÃÓÚ´æ·ÅÓû§Êý¾Ý±í¿Õ¼ä
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TEMPORARY ºÍ UNDO ±í¿Õ¼äÊÇORACLE ¹ÜÀíµÄÌØÊâµÄ±í¿Õ¼ä.Ö»ÓÃÓÚ´æ·ÅϵͳÏà¹ØÊý¾Ý.
µÚ¶þ: LOGGING
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NOLOGGING: ´´½¨±í¿Õ¼äʱ,²»´´½¨ÖØ×öÈÕÖ¾.
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µÚÈý: DATAFILE ÓÃÓÚÖ¸¶¨Êý¾ÝÎļþµÄ¾ßÌåλÖúʹóС.
Èç: DATAFILE 'D:\ORACLE\ORADATA\ORA92\LUNTAN.ora' SIZE 5M
˵Ã÷ÎļþµÄ´æ·ÅλÖÃÊÇ 'D:\ORACLE\ORADATA\ORA92\LUNTAN.ora' , ÎļþµÄ´óСΪ5M.
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DATAFILE 'D:\ORACLE\ORADATA\ORA92\LUNTAN.ora' SIZE 5M,
'D:\ORACLE\ORADATA\ORA92\dd.ora' SIZE 5M
µ«ÊÇÿ¸öÎļþ¶¼ÐèÒªÖ¸Ã÷´óС.µ¥Î»ÒÔÖ¸¶¨µÄµ¥Î»Îª×¼Èç 5M »ò 500K.
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CREATE TABLE TBL_TEST
(
ID NUMBER,
NAME VARCHAR2(100 BYTE),
PID NUMBER   ......
alter table t_att_over_haul_safe_pres add c clob;
update t_att_over_haul_safe_pres set c=prt_precautions;
alter table t_att_over_haul_safe_p ......