Roles and Stored Object behaviour
Note : 1011899.6 – Roles and Creating Stored Objects / Views Note : 180028.1 – Set up a Secure Access to Application Data within a Database: DBAs, Schemas and Users.
Category: SQL scripts
Test Case for Inserting Multiple (2.3 Million rows in 26 Seconds)
========================= 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/Applying Patches Tips
*******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
SYSOPER Mystery
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…
Set Role explaination.
“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…
online_bkup.sql
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…
Global Unique Identifier Generation in Oracle 9.2 SYS_GUID()
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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How to Modify the statistics collection by MMON for AWR repository
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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Metalink Note: Note:250655.1 : ADDM Basics USING THE AUTOMATIC DATABASE DIAGNOSTIC MONITOR
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…
Import and export statements
exp userid=cs/cs file=cs_uocqa_30aug05.dmp owner=cs statistics=none exp userid=scsedb/scsedb file=scsedb_uocqa_30aug05.dmp owner=scsedb statistics=none exp userid=retaildb/retaildb file=retaildb_uocqa_30aug05.dmp owner=retaildb statistics=none exp userid=pnet/pnet file=pnet_uocqa_30aug05.dmp owner=pnet statistics=none exp userid=websitedb/websitedb file=websitedb_uocqa_30aug05.dmp owner=websitedb statistics=none imp userid=cs/cs file=cs_uocqa_30aug05.dmp fromuser=cs touser=cs imp userid=scsedb/scsedb file=scsedb_uocqa_30aug05.dmp fromuser=scsedb touser=scsedb imp userid=retaildb/retaildb file=retaildb_uocqa_30aug05.dmp fromuser=retaildb touser=retaildb imp userid=pnet/pnet file=pnet_uocqa_30aug05.dmp fromuser=pnet touser=pnet imp userid=websitedb/websitedb file=websitedb_uocqa_30aug05.dmp fromuser=websitedb touser=websitedb