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Database In Action

Category Archives: Oracle Database

Delete Duplicate Rows

November 5, 2013

Finding and deleteing the duplicate rows of a table in Oracle Database. DELETE FROM OWNER.TABLEx z WHERE z.ROWID IN (SELECT …

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MRP0: Detected orphaned datafiles!

September 27, 2013

Datafile 1 (ckpscn 139334570249) is orphaned on incarnation#=2 MRP0: Detected orphaned datafiles! Recovery will possibly be retried after flashback… Errors …

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File # added to control file as UNNAMED

September 24, 2013

Errors in file …/trace/RAPOR_pr00_2801804.trc: ORA-01119: error in creating database file ‘/data/datafile_1.dbf’ ORA-27054: NFS file system where the file is created …

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Excluding Table Partitions – expdp EXCLUDE=TABLE_DATA

April 3, 2013

Oracle Datapump – Using expdp utility excluding table & table partitions in a par file can be managed with the …

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Physical Dataguard Configuration

January 21, 2013

Some fast and easy configuration scripts for Physical Dataguard installation… PRIMARY Site ALTER SYSTEM SET db_unique_name = DATABASE; ALTER SYSTEM …

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Range Partitioning with DBMS_REDEFINITION Package & Compression

September 21, 2012

validate index OWNER.TABLE_INDEX; SELECT opt_cmpr_count, opt_cmpr_pctsave FROM index_stats WHERE name = ‘TABLE_INDEX’; OPT_CMPR_COUNT OPT_CMPR_PCTSAVE ————– —————- 1 10 select min(LOG_DATE), …

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Optimize Oracle UNDO Parameters

September 12, 2012

I appreciate the post about the undo tunning, here is the link… http://www.akadia.com/services/ora_optimize_undo.html

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Finding Optimum Compression Level & Compression PCT Save for Indexes

September 12, 2012

Simple but subtle compress implementation for indexes.. Check it out.. validate index OWNER.INDEX_NAME; SELECT opt_cmpr_count, opt_cmpr_pctsave FROM index_stats WHERE name …

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Oracle 9.2.0.8 – 9i Release2 Dataguard Configuration Basics

July 19, 2012

cold copy or begin backup & end backup ->> All .log .dbf Create standby control file ALTER DATABASE CREATE STANDBY …

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Dataguard Mind Map

June 11, 2012

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