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2008-07-18 16:43:01 / Oracle数据库管理
观察了 几个10g RAC 库Shared Pool 都挺大,如果小于450M 还起不来,在9i 时代300m 就已经算很大了。Shared Pool Size(M)SP Size FactrEst LC Size (M)Est LC Mem ObjEst LC Time Saved (s)Est LC Time Saved FactrEst LC Load Time (s)Est LC Load Time FactrEst LC Mem Obj Hits4320.77682,86449,5340.981,1005.215,065,6544960.891296,07350,4161.002181.035,073,6715601.0019210,89150,4231.002111.005,074,6606241.1125515,27450,4251.002090.995,075,3046881.2331818,54350,4271.002070.985,076,0627521.3438123,16450,4291.
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2008-06-30 11:59:35 / 招聘求职商务信息
广州专职dba的职位 怎么那么少呢?
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2008-06-30 11:02:34 / Oracle数据库管理
因为需要做data guard 执行了SQL>ALTER DATABASE FORCE LOGGING;但里面有些日志 table 原来是设置成 NOLOGGING 模式不知道FORCE LOGGING 后,原来nologging的表 是否会写redo log?
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2008-04-15 00:10:16 / Oracle数据库管理
昨天打完了RAC 数据库都正常,就没太在意,今天仔细检查了一下打patch的log 发现点问题[root@linux1 software]# /data/oracle/crs/install/root102.shCreating pre-patch directory for saving pre-patch clusterware filesCompleted patching clusterware files to /data/oracle/crsRelinking some shared libraries.Relinking of patched files is complete.WARNING: directory '/data/oracle' is not owned by rootPreparing to recopy patched init and RC scripts.Recopying init and RC scripts.Startup will
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2008-04-10 16:29:56 / IBM数据库产品
select TRUNC (SYSDATE,'DD') AS v_date from dualv_date-----------------2008-4-10我需要截取表达一列 时间类型,全部只需要 年月日 不需要后面的小时这些谢谢
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2008-03-12 09:59:47 / IBM数据库产品
UPDATE table1 SET userid=( select caseRTRIM(C_RESPCODE )when 'M'then 'S'else 'F'end as useridfrom table2)where status ='ok'我现在想update 前500行数据UPDATE table1 SET userid=( select caseRTRIM(C_RESPCODE )when 'M'
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2008-03-06 21:49:15 / IBM数据库产品
SQL> select next_day(trunc(sysdate),'星期一')+1/24 as job_time from dual;JOB_TIME----------------------------2008-3-10 1:00:00在db2 里面怎么实现?谢谢各位
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2008-03-04 18:14:14 / IBM数据库产品
db2函数中不支持select * into 语法?select a,b,c into q,w,e from test where a='xxxx'怎么改写呢?能不能一句sql 搞定?
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2008-03-04 15:24:32 / IBM数据库产品
如 table_name.column_name%TYPEtable_name%ROWTYPE;这样定义变量的概念?刚接触db2 不要闲俺烦 :)
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2008-02-29 16:32:38 / IBM数据库产品
DECLARE sqlcode INTEGER DEFAULT 0;DECLARE sqlstate CHAR(5);BEGINbegin;…………end;begin;…………end;END;有多个内嵌的 怎么样设置异常捕捉?
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