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License high water mark = 84

high water mark 如果很高,会影响全表扫描的sql的效率,但是否会影响 [code]select * from table1 where rownum < 100[/code]这样的sql的效率呢?为什么?

by HappyWin - Oracle - 2005-05-24 10:29:09 阅读(1217) 回复(6)

相关讨论

I wish to know what is high water mark? how can view it? What the impact to have high water mark? Please Advise

by toms1981 - DB2 - 2004-10-10 16:32:20 阅读(1760) 回复(6)

关数据库时,alert_log提示: Shutting down instance (abort) license high water mark = 85 Instance terminated by USER, pid = 6724 其中license high water mark = 85是什么意思

by spvq - Oracle - 2005-01-28 10:39:01 阅读(2883) 回复(2)

high-water mark和low-water mark的作用是什么呀???

by tryhard - AIX - 2007-01-05 15:19:59 阅读(1836) 回复(0)

书中说: truncate table order reuse storage 可以keep the storage,remove all rows,reset the high-water mark,and commit the change 请问其中的high-water mark是什么意思??

by a9711 - Oracle - 2003-06-29 13:19:49 阅读(1551) 回复(4)

请问:high-water mark是什么东西?有什么用处?

by songdu - Oracle - 2003-02-11 14:34:34 阅读(1274) 回复(3)

reorg及runstats后high water mark参数不降的原因是什么? 哪位有比较好的方法把这个参数值降下来? :lol: :lol: :lol: :lol:

by 007linxx - DB2 - 2004-07-08 15:30:58 阅读(4454) 回复(12)

在DB2 V7.x版本中,如果数据库文件原大小为22G,做过数据清理且做过reorg后为14G。 此时,使用db2 list tablespaces show detail命令查看表空间的大小,显示如下: Tablespace ID = 2 Name = USERSPACE1 Type = Database managed space Contents = Any data State = 0x0000 Detailed explanation: Normal Total pages = 6455296 Useable pages = 6455232 Used pages = 3336096 Free pages = 3119136 high water mark (pages) = 5...

by wang_ghui - DB2 - 2004-03-17 11:27:37 阅读(2008) 回复(4)