Author: Admin

Standby Database File Management in 10g with STANDBY_FILE_MANAGEMENT

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========================================== Adding a Datafile or Creating a Tablespace ========================================== The initialization parameter, STANDBY_FILE_MANAGEMENT, enables you to control whether or not adding a datafile to the primary database is automatically propagated to the standby database, as follows: * If you set the STANDBY_FILE_MANAGEMENT initialization parameter in the standby database server parameter file (SPFILE) to AUTO, any…

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Oracle, rman-dataguard

online_bkup.sql

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set serveroutput on execute dbms_output.enable(20000); declare cursor c1 is select distinct tablespace_name from dba_data_files order by tablespace_name; cursor c4 is select member from v$logfile order by member; staging_copy_area varchar2(100) := ‘10.201.43.51:/uocdb1/oradata/UOC’; begin for cur in c1 loop dbms_output.put_line (‘alter tablespace ‘ || cur.tablespace_name || ‘ begin backup;’); declare cursor c2 is select file_name from dba_data_files…

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Oracle, SQL scripts

Global Unique Identifier Generation in Oracle 9.2 SYS_GUID()

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SYS_GUID generates and returns a globally unique identifier (RAW value) made up of 16 bytes. On most platforms, the generated identifier consists of a host identifier and a process or thread identifier of the process or thread invoking the function, and a nonrepeating value (sequence of bytes) for that process or thread. The following example…

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Oracle, SQL scripts

How to Modify the statistics collection by MMON for AWR repository

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From 10g onwards the MMON process wakes up by default every hour and does statistics collection for AWR (Automatic Workload Repository). 10g provides the following procedure for modify this statistics collection routine: DBMS_WORKLOAD_REPOSITORY.MODIFY_SNAPSHOT_SETTINGS(( retention IN NUMBER DEFAULT NULL, interval IN NUMBER DEFAULT NULL, dbid IN NUMBER DEFAULT NULL); This example changes the interval setting to…

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Oracle, SQL scripts

Metalink Note: Note:250655.1 : ADDM Basics USING THE AUTOMATIC DATABASE DIAGNOSTIC MONITOR

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Metalink Note: Note:250655.1 : ADDM Basics USING THE AUTOMATIC DATABASE DIAGNOSTIC MONITOR —————————————————————————————— The Automatic Database Diagnostic Monitor (hereafter called ADDM) is an integral part of the Oracle RDBMS capable of gathering performance statistics and advising on changes to solve any exitsing performance issues measured. For this it uses the Automatic Workload Repository ( hereafter…

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Oracle, SQL scripts

Shuffle an array

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#!c:perlbinperl use List::Util ‘shuffle’; # Following line is necessary of you are using perl to write html in browser. print “Content-type: text/htmlnn”; print ““; print “CGI Test“; print ““; print “Newer Verion of File Management Operations !“; @list=(“one”, “two”, “three”, “four”, “five”, “six”, “seven”, “eight”, “nine”, “ten”); print “list = @list”; @shuffled = shuffle(@list); print…

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PHP/MYSQL/Wordpress

To seee semaphores and shared memory segments in Solaris

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eaappprod21->UAS@(/export/home/oracle/paresh/uocuat)ipcs -A IPC status from as of Wed Aug 31 15:17:54 EDT 2005 T ID KEY MODE OWNER GROUP CREATOR CGROUP CBYTES QNUM QBYTES LSPID LRPID STIME RTIME CTIME Message Queues: T ID KEY MODE OWNER GROUP CREATOR CGROUP NATTCH SEGSZ CPID LPID ATIME DTIME CTIME ISMATTCH Shared Memory: m 0 0x500004cf –rw-r–r– root root…

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Linux/Unix, shell

To see mem usage and CPU usage system wide.

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Use $ top last pid: 17552; load averages: 0.04, 0.03, 0.04 15:16:01 93 processes: 88 sleeping, 2 zombie, 3 on cpu CPU states: % idle, % user, % kernel, % iowait, % swap Memory: 8192M real, 3841M free, 2867M swap in use, 5629M swap free PID USERNAME THR PRI NICE SIZE RES STATE TIME CPU…

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Linux/Unix, shell