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Oracle Database 11g Release 2. Please also tag oracle for search purposes.

0 votes
1 answer
4k views

How to clean up duplicate objects in SYS/SYSTEM

I have a sql query like below to check duplicate objects in SYS/SYSTEM. select OBJECT_NAME, OBJECT_TYPE from DBA_OBJECTS where OBJECT_NAME||OBJECT_TYPE in (select OBJECT_NAME||OBJECT_TYPE from DBA_OB …
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1 vote
1 answer
5k views

Delete shared memory segments left over by an Oracle instance

We're using Oracle Enterprise 11rR2 running on Solaris. How can I delete/remove allocated shared memory segments using ipcrm? I'm getting this error: ORA-01041: internal error. hostdef extension …
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0 votes
1 answer
22k views

How to purge logs by using Flashback feature in Oracle Database

I’ve configured flash recovery area for Oracle Database. My question is: how can I delete Flashback Database log?or is there any retention policy for that? 2- After I’ve enabled archive log mode and …
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  • 1,106
6 votes
3 answers
27k views

How to remove all hidden parameters from Oracle Database

How do I remove all hidden parameters from Oracle Database before upgrading? I'm using the SQL query below. So what do you recommended? SELECT name,description from SYS.V$PARAMETER WHERE name LIKE '\ …
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2 votes

Determine Index Compression Candidates Online

This is the issue: http://download.oracle.com/docs/cd/E11882_01/server.112/e17118/statements_4005.htm#SQLRF53681 When it is done ONLINE, no stats are gathered, so you don't get your answer. I'm af …
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3 votes
2 answers
1k views

Duplicating a Database with RMAN

I would like to duplicate to the same server Oracle Database with RMAN. I've configured flash recovery area for Oracle Database. My database is using SPFILE as shown below. SQL> SELECT DECODE(value, …
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