oracle create tablespace
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CREATE TABLESPACE "SAMPLE"
LOGGING
DATAFILE 'D:\ORACLE\ORADATA\ORA92\LUNTAN.ora' SIZE 5M
EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO
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µÚÒ»: CREATE TABLESPACE "SAMPLE" ¡¡´´½¨Ò»¸öÃûΪ "SAMPLE" µÄ±í¿Õ¼ä.
¶Ô±í¿Õ¼äµÄÃüÃû,×ñÊØOracle µÄÃüÃû¹æ·¶¾Í¿ÉÁË.
ORACLE¿ÉÒÔ´´½¨µÄ±í¿Õ¼äÓÐÈýÖÖÀàÐÍ:
(1)TEMPORARY: ÁÙʱ±í¿Õ¼ä,ÓÃÓÚÁÙʱÊý¾ÝµÄ´æ·Å;
´´½¨ÁÙʱ±í¿Õ¼äµÄÓï·¨ÈçÏÂ:
CREATE TEMPORARY TABLESPACE "SAMPLE"......
(2)UNDO : »¹Ô±í¿Õ¼ä. ÓÃÓÚ´æÈëÖØ×öÈÕÖ¾Îļþ.
´´½¨»¹Ô±í¿Õ¼äµÄÓï·¨ÈçÏÂ:
CREATE UNDO TABLESPACE "SAMPLE"......
(3)Óû§±í¿Õ¼ä: ×îÖØÒª,Ò²ÊÇÓÃÓÚ´æ·ÅÓû§Êý¾Ý±í¿Õ¼ä
¿ÉÒÔÖ±½Óд³É: CREATE TABLESPACE "SAMPLE"
TEMPORARY ºÍ UNDO ±í¿Õ¼äÊÇORACLE ¹ÜÀíµÄÌØÊâµÄ±í¿Õ¼ä.Ö»ÓÃÓÚ´æ·ÅϵͳÏà¹ØÊý¾Ý.
µÚ¶þ: LOGGING
ÓÐ NOLOGGING ºÍ LOGGING Á½¸öÑ¡Ïî,
NOLOGGING: ´´½¨±í¿Õ¼äʱ,²»´´½¨ÖØ×öÈÕÖ¾.
LOGGING ºÍNOLOGGINGÕýºÃÏà·´, ¾ÍÊÇÔÚ´´½¨±í¿Õ¼äʱÉú³ÉÖØ×öÈÕÖ¾.
ÓÃNOLOGGINGʱ,ºÃ´¦ÔÚÓÚ´´½¨Ê±²»ÓÃÉú³ÉÈÕÖ¾,ÕâÑù±í¿Õ¼äµÄ´´½¨½Ï¿ì,µ«ÊÇûÄÜÈÕÖ¾,Êý¾Ý¶ªÊ§ºó,²»Äָܻ´,µ«ÊÇÒ»°ãÎÒÃÇÔÚ´´½¨±í¿Õ¼äʱ,ÊÇûÓÐÊý¾ÝµÄ,°´Í¨³£µÄ×ö·¨,Êǽ¨Íê±í¿Õ¼ä,²¢µ¼ÈëÊý¾Ýºó,ÊÇÒª¶ÔÊý¾Ý×ö±¸·ÝµÄ,ËùÒÔͨ³£²»ÐèÒª±í¿Õ¼äµÄ´´½¨ÈÕÖ¾,Òò´Ë,ÔÚ´´½¨±í¿Õ¼äʱ,Ñ¡Ôñ NOLOGGING,ÒÔ¼Ó¿ì±í¿Õ¼äµÄ´´½¨ËÙ¶È.
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.
Èç¹ûÓжà¸öÎļþ,¿ÉÒÔÓöººÅ¸ô¿ª:
DATAFILE 'D:\ORACLE\ORADATA\ORA92\LUNTAN.ora' SIZE 5M,
'D:\ORACLE\ORADATA\ORA92\dd.ora'
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Close a Database
When you close a database, Oracle writes all database data and recovery data in the SGA to the datafiles and redo log files, respectively. Next, Oracle closes all online datafiles and redo log files. (Any offline datafiles of any offline tablespaces have been closed already. If you ......
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