OPENING A STANDBY DATABASE IN READ-ONLY MODE ——————————————— In order to perform queries on a read-only standby database, the database needs to be able to perform on-disk sorting operations. Locally managed temporary tablespaces do not record transactions in the data dictionary. Steps to create a locally managed temporary tablespace 1. Create a temporary tablespace on…
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========================= Test case On 29-SEP-2005 ========================= Original Statement: INSERT INTO pvm SELECT * FROM pvm1; Source table : pvm1 has 2.3 million rows. If statement executes normally it will take long time to execute. So i modified following statement and 2.3 Million rows processed in Approx 30 seconds. 10:39:11 CIF@CIF:-> set feedback 1 10:39:11 CIF@CIF:->…
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*******Oracle 10g Installation ******* On 27-Sep-2005****** (1) *** Warning During Oracle 10.1.0.2 installation **** Checking security kernel parameters Checking for noexec_user_stack=1; found Not found. Failed
Problem Description ~~~~~~~~~~~~~~~~~~~ A user connected AS SYSOPER can only STARTUP and SHUTDOWN the database, but cannot select any data from the dictionary, nor perform any other operations on the database. If you grant the appropriate privilege required to the OPERATOR user, it still does not work. Example: ~~~~~~~~ SVRMGR> CREATE USER operator IDENTIFIED BY…
========================================== 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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“Set Role” statement. ( Remember : It affects current session only ) Use the SET ROLE statement to enable and disable roles for your current session. This statement will be useful when you want to give special privilege to specific user for a specific period of time. When a user logs on, Oracle Database enables…
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…
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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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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