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DBA警世录:备份重于一切
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# 42715
weiwei




To: eygle
  我有一个表,里面有clob和blob字段,它在aaa表空间里,我用exp system/system@oracle owner=aaa导出,用户aaa的表空间是aaa。
现在我建用户bbb,它的表空间也是bbb,然后导入。其它表都可以导入bbb空间,但是有blob和clob的字段的表却不行??
为什么?
怎么解决啊

From: weiwei
2007.03.06 08:55

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# 42714
Chi


来自: Mx


To: Eygle
  First, Hope U don't mind that I show them to my Spanish teacher here.
I am still testing my RMAN backup.Latest news is that I reconfigured my AIX into JFS2 file type, all the slowness problem is gone.Now I am tring to decide whether to use the incremental level 1 or incremental level 1/culmulative backup.But I do not quite understand the purpose of just incremental backup. (after I read the doc). Becuase for the recovery, if there is only incremental level 1 backupset, I need to combine all the daily incremental backupset with the level 0 backupset.For ex. if the failure ocurred on Thursday, then I need to use incremental level 1 from Mon to Thursday and the level 0.However, if I have a incremental level 1 with culmulative, then all I have to do it to recover the Thu incremental level 1 and level 0.Would that be more simple?
I am also trying to fix an old SunMicro server, and check whether I can use it as a NFS remote driver for backup.Have any suggestion?
From: Chi
2007.03.05 01:16

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# 42713
terry


来自: jiangsu


To: eygle
  请教个问题
install database oracle 10g2 on solaris 10.
在安装的时候会先检查swap space
提示
Checking swap space: 0 MB available, 500 MB required. Failed <<<<
但是df -k | grep swap
oracle@szcdev05 # df -k | grep swap
swap 15298008 644 15297364 1% /etc/svc/volatile
swap 15297972 608 15297364 1% /tmp
swap 15297400 36 15297364 1% /var/run

oracle@szcdev05 # swap -l
swapfile dev swaplo blocks free

/dev/dsk/c1t0d0s1 55,1 8 16787912 16787912
这里free的单位是什么?

oracle@szcdev05 # swap -s
total: 48308k bytes allocated + 6552k reserved = 54860k used, 15301772k available

why?

PS:我起过一次runinstaller图形界面出现后然后我取消安装了,是不是和这个有关呢


From: terry
2007.03.03 16:41

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# 42710
小鱼


来自: 浙江


To: eygle
  盖老师:
我对一张无主键的表(只有一列)测试过很多次,无论是新增,删除,修改,用logminer分析redo日志都不能在v$logmnr_contents查询到seg_name=测试表名的记录。测试数据库是oracle9i的。我查错视图了?
From: 小鱼
2007.03.02 16:57

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# 42709
咪咪




To: 猫咪
  生核桃很难吃。
From: 咪咪
2007.03.02 14:43

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# 42708
阿卓


来自: 沈阳


To: 盖老师
  我想知道LINUX下开机后如何自动启动RAC的各项服务,而且数据库也自动启动,在网上找了好久都没有找到相关资料,请老师指点,先谢了!
From: 阿卓
2007.03.01 13:46
To: 阿卓
  instance/db 都是crs的资源,crs启动,通常instance/db就随之启动了
From: eygle
2007.03.09 09:45

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# 42707
小鱼


来自: 浙江


To: eygle
  盖老师:
如果无主键的表也记录redo日志的。那这部份日志要怎么分析出来呢?
From: 小鱼
2007.03.01 12:08
To: 小鱼
  会有rowid的啊,你分析出来的日志里应当包含这些内容的
From: eygle
2007.03.02 15:52

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# 42706
咪咪




To: 猫咪
  好饿=(@_@)=
From: 咪咪
2007.02.28 21:05
To: 咪咪
  喵喵,叫外卖
From: eygle
2007.03.01 09:19

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# 42705
小鱼


来自: 浙江


To: eygle
  盖老师:
新年好。我们想用logminer分析redo日志的方式来获得表的增量变化。现在碰到一个问题:是不是无主键的表oralce不记录redo日志的?我用logminer分析日志时得不到无主键表的增量变化。
From: 小鱼
2007.02.28 11:14
To: 小鱼
  会记录redo的
From: eygle
2007.03.01 09:21

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# 42704
dragonchencm




To:
  恭喜盖老师,什么时间给我们喜糖吃啊?
From: dragonchencm
2007.02.28 10:00

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