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Ò»´Îoracle 10g rac¹ÊÕÏ´¦Àí:
rhel4-1->crs_stat -t
Name Type Target State Host
------------------------------------------------------------
ora.demo.db application ONLINE UNKNOWN rhel4-2
ora....o1.inst application ONLINE ONLINE rhel4-1
ora....o2.inst application ONLINE OFFLINE
ora....SM1.asm application ONLINE ONLINE rhel4-1
ora....-1.lsnr application ONLINE ONLINE rhel4-1
ora....4-1.gsd application ONLINE ONLINE rhel4-1
ora....4-1.ons application ONLINE ONLINE rhel4-1
ora....4-1.vip application ONLINE ONLINE rhel4-1
ora....SM2.asm application ONLINE UNKNOWN rhel4-2
ora....-2.lsnr application ONLINE UNKNOWN rhel4-2
ora....4-2.gsd application ONLINE UNKNOWN rhel4-2
ora....4-2.ons application ONLINE UNKNOWN rhel4-2
ora....4-2.vip application ONLINE ONLINE&
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²éѯÐÇÆÚ¼¸:
select to_char(sysdate,'day') from dual;
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select to_char(sysdate,'dd') from dual;
²éѯСʱÊý:
select to_char(sysdate,'hh24') from dual;
²éѯʱ¼ä:
select to_char(sysdate,'hh24:mi:ss') from dual;
²éѯÈÕÆÚʱ¼ä:
select to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from dual;
²é ......
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• ÈÕ־д½ø³Ì (LGWR):½«ÈÕÖ¾»º³åÇøÖгÆΪÖØ×öÐÅÏ¢µÄ»Ö¸´ÐÅϢдÈë´ÅÅÌÉϵÄÖØ×öÈÕ Ö¾Îļþ
• ¼ì²éµã½ø³Ì (CKPT):ÔÚ¿ØÖÆÎļþºÍÿ¸öÊý¾ÝÎļþÍ·ÖмǼ¼ì²éµãÐÅÏ¢
• ϵͳ¼àÊÓÆ÷½ø³ ......
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oracleµÄ¹Ù·½½Ì²ÄµÄ˳ÐòÊÇsql»ù´¡£¬½á¹¹£¬±¸·Ý»Ö¸´£¬ÐÔÄÜÓÅ»¯¡£
sqlÓï¾äµÄ»ù´¡»¹ÊǺÜÖØÒªµÄ¡£Èç¹ûÄãÏë×ö¿ª·¢pl/sqlÒ» ......
ʲôÊÇË®Ïß(High Water Mark)?
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