Oracle Database 10g (not 10g R2). Please also tag oracle for search purposes.

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Recursive Manager - Oracle 10g x 11g

We have a problem adapting a recursive SQL from 11g to 10g. Oracle 11g Query ( Working as expected ) WITH ADRECURSIVEUSERLEADER (CDLEADER,CDUSER,NMUSER,FGUSERENABLED) AS ( SELECT US.CDLEADER AS ...
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Restoring an Oracle Backup Properly

I've been trying to do a proper restore of a database for weeks now and I'm convinced that I'm doing something simple wrong. I took a cold backup of the database before an update to an application ...
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1answer
469 views

Am I using the correct data types on SQL Server side to call an Oracle 10g function?

When calling an Oracle function with the following in parameter types NUMBER(7,0) VARCHAR2(8 BYTE) VARCHAR2(4 BYTE) DATE and return type NUMBER(14,5) from SQL Server 2008R2 via a linked Oracle ...
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1answer
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Fixing wildcard expansion resulting in too many terms error (DRG-51030)

How can I resolve the wildcard_maxterm problem in Oracle 10g? My index creation syntax is: begin ctx_ddl.drop_preference('SUBSTRING_PREF'); end; / begin ...
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1answer
197 views

Locking records in Oracle during update

I had a deadlock issue which was easy to fix by changing application logic, but I was under impression Oracle would behave differently, and the deadlock would never happen. I have two tables, for ...
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1answer
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Oracle 10g using collection with sql

I have a stored procedure that takes collection of objects. (TABLE OF MyCustomType). Inside the procedure I'm trying to join this parameter with real tables. For example, something like create or ...
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545 views

Upgrading from 10.2g to 11g by incrementals

I know it's possible to generate a full rman backup in a 10.2g database, move it to another server containing 11g, restore it there and finally do an upgrade. Since I have to do this to a large ...
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impdp import fails with object already exists in oracle 10g?

I exported the dump using EXPDP command. After exporting I dropped the user and the associated tablespaces by logging is as / AS SYSDBA. Then I re-created the User and the Tablespaces. Then I ...
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How to copy bytea from Postgres to Oracle

I have a db on Postgres 9.1. The db collected some binary data that are stored in bytea file. I need to copy the data to Oracle 10g. How to do it? The details I have a table plines in Postgres9.1. ...
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1answer
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Find fragmented space free below HWM Oracle

That High Watermark Value always eludes me when calculating free space in my tablespaces. Will the following query consider fragmented free spaces of object below the HWM value for each TS? select * ...
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1answer
610 views

Access Data that is stored in Primary FileGroup On SQL Server through DBLinks on Oracle

I am using dbLinks to fetch data from SQL Server 2008 to Oracle (10g)database. When I fire the command : select * from "test_table"@dbLink Oracle throws error : select * from "test_table"@dbLink ...
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Oracle 10g Administration

Redo log files are not multiplexed in our database. Redo log blocks are corrupted in group 2, and archiving has stopped. All the redo logs are filled and database activity is halted. Database writer ...
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In Oracle, if parallel_max_servers is set to be significantly less than the DOP can the explain plan be sub-optimal?

For tables that have DEGREE DEFAULT, the degree of parallelism (DOP) is calculated by Oracle using number of CPUs and number of threads per CPU amongst other things. As I understand it, when costing ...
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Tips for Optimizing Oracle Warehouse Builder 11.1 with Oracle DB 10.2

Are there any tips for improving performance of Control Center and Design Center in Oracle Warehouse Builder? At the client side it is very slow to open and refresh Design center and control center ...
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1answer
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Finding why an Oracle listener got automatically restarted

I got the following message in the <listnername>.log file. I want to find out the reason why it got automatically shutdown and restarted again with different PID. 03-MAR-2013 03:00:57 * ...
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Oracle 10g weird behaviour

We have a thick client application using an Oracle 10g database. We recently upgraded the application and in the process migrated the database tables from a latin to unicode character set. After the ...
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Reconfigure the registry for new Oracle installation

I have the following oracle homes installed on my Windows machine Oracle Developer Suite Oracle Discoverer Oracle 10G Client I installed Oracle 10G database manually by following the following ...
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Size of an empty database

Continuing with my school-project, now I have to estimate the size of the database from here to 5 years. They give me a formula, so, in that formula, one of the values is the size of the empty ...
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1answer
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Need to count records and group count by date on Oracle

I have a table like the following ID created sent type ----------------------------------------------------- 0001463583000051783 31-JUL-12 1 270 0081289563000051788 ...
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1answer
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ora-01410 invalid RowID sporadically in a select statement

I have a select that looks up some data by a join. The system runs Oracle 10.02g and the select looks like this SELECT distinct t1.crit FROM table_name1 t1 INNER JOIN table_name2 t2 ON t1.crit ...
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705 views

Oracle Databases - need to export nightly for backup/DR purposes

I know nothing about Oracle databases, so if my question's path seems odd, feel free to tell me the right way to do things. I have 2 ways I see currently that I can backup a server running 3 Oracle ...
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133 views

Change all datatypes in a table

I'm migrating a database and i need to change the "container", i don't exactly how to name it. I give an example to keep it clear : old base: VARCHAR2(20 BYTE) new base: VARCHAR2(20 CHAR) I can ...
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1answer
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What are the criteria for a sql staying in the V$SQLAREA?

I needed to pick up details from a SQL result but 5 minutes after running the SQL it was no longer under v$sql and V$sqlarea. What are the criteria for Oracle to keep the query in those views?
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Join on clustered tables shows greater cost than non-clustered tables?

I have created a cluster and have two tables emp and sep on the cluster. When I do the simple query... explain plan select * from emp_cluster join dep_cluster using (dno) the cost is 26. I ...
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What is the difference between Schema and Database in Oracle?

In oracle, Datafile are system files where actual data is stored.The collection to datafile make Tablespace and atlast database is collection of tablespaces Correct me if I am wrong on the concepts ...
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How do I determine if FORCE LOGGING is on for the entire database?

How can I determine if force logging is on, at the database level. (Not asking about finding out if force logging is on for particular tablespaces.) What rights are needed to perform the check of the ...
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Analyzing an Oracle dump

I have a full Oracle dump, I know I have to imp the dump with the fromuser touser clause. However, I don't know the names of the schemas included in the dump. How can I open the dump created with ...
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1answer
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Cleaning Oracle In-Active Sessions

There a are huge number of in-active sessions persisting in our database.How can we clean these in-active sessions? Database - Oracle 10g R2 with ASM DB Size - 5TB SGA - 78GB PGA - 10GB Maximum ...
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Whether Cold backup method can be used to “migrate oracle DB”?

I have to migrate one database. I have exact server replica. (Same directory structure on target as well as source database) Previously I have performed DB migration using export/import datapump (As ...
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query to concatenate columns if record duplicate

My table has two column that is id and name. I want to do concatenate the columns if the if more than two names are same like: id ...
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1answer
121 views

Generate rows based on value in 2 columns. Bug?

I have the following table in Oracle: ID START END _ID01 AB050 AB100 _ID01 AB101 AB150 _ID02 AB0251 AB0300 _ID01 AB00301 AB00302 I want to generate as many rows and every ...
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1answer
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How to find out the segment behind a corrupted block when the database cannot be opened?

Short Version: alter database open fails with ORA-00600. alert.log and dbv both point out that one data block (type: 6) is corrupted. I cannot select from dba_extents as that requires an opened ...
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oracle database upgrade issue

Currently i'm using Oracle 10g XE database and want to upgrade to Oracle 11g XE. When i try to run the installer, it fails because of running instance. I searched the internet and got to know i have ...
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How to improve the performance of this select query?

I have two tables: TABLE1 and TABLE2. And I am running this select query to fetch the data. It takes long time to run: SELECT TABLE1.* , TABLE2.COL1 , TABLE2.COL4 FROM TABLE1, TABLE2 WHERE ...
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Drop table without its dependencies and solve block corruption

I have found alert about corrupted block in alert log. Corrupted block belonged to the table named DOCS. Because of I don't have any backup of this database, decided to recreate DOCS table to solve ...
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Strange Oracle ORDER BY

I have a problem sorting strings in french : This is my query : SELECT LIBELLE as LibelleCourant, CODE as code FROM S_MARQST ORDER BY LibelleCourant; And this is the result LIBELLECOURANT ...
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585 views

Slow join behaviour with 'or' in predicate

I'm faced with a situation which I can't understand and overcome. In short we have left-join query like: select from a left join b on a.key1=b.key1 or a.key1=b.key2 This works VERY slowly, while ...
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59 views

What type of files are C-9999-yyyymmdd-00 in Oracle

At my {ORACLE_HOME}\database I found like 3GB of this type of files: I think they are not backup of controlfile because size of files changes over time.
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Would existing constraints and indexes applied to an old table, apply to a new table renamed like the old one after it's dropped?

everything is in the question. I have a table named tableA on which we have indexes and foreign keys and constraints. I have to modify content in a column called column1. This being a production ...
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ORA-12541: TNS:no listener using EXPDP

I need to export an Oracle 11g database to an Oracle 10g instance. I have the command, which I believe is correct: expdp user/pass@192.168.10.8 full=Y VERSION=10.2 directory=m_dump ...
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oracle 10G forms connection with Oracle database 10G Enterprise Edition in windows 7

I am trying to connect Oracle Forms 10g version (9.0.4) to the Oracle 10G Enterprise Edition. At first I tried to connect to the db without setting the "Local Net Service Name Configuration" in ...
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632 views

This refactoring from cursor on a dblink'ed Oracle table OK?

The data is being compared from the local version of the table to one in the contracts linked server. I'm not certain what the goal of this code is in the first place, but I'm trying to get a handle ...
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739 views

Enterprise Manager Database Control on host with an underscore in it's name

I know it sounds awkward, but Enterprise Manager is refusing to be set up because of an underscore in the server name: C:\>emca -deconfig dbcontrol db -repos drop STARTED EMCA um 30.05.2012 ...
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oracle 10g xe to 11g xe upgrade

The oracle 10g DB that is being currently used has exceeded the limit of 4GB. For the application to continue the db needs to be upgraded to 11g. But the upgrade doc requires a data pump export to be ...
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876 views

ORA-07445: An unexpected error: core dump

We use oracle 10g. We found the following error in a trace file: *** 2012-05-07 11:50:56.421 ksedmp: internal or fatal error ORA-07445: An unexpected error: core dump [ACCESS_VIOLATION] ...
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restore database from dmp file

I have a situation: I have a dmp file and a database with old data server crashed and the latest data we have ar in the dmp file! we managed to pull the server back but it has old data! so we need to ...
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Materialized view taking too much time

i create a materialized view fast refresh. it takes almost 45 min to create but it did not refresh in 24 hours. i tried it on with index and without index. i check the log of all table max record in ...
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How to create an UTC index from a 'DATE' typed column with Oracle?

I have a Oracle database with columns of type 'DATE' which store timestamps in local time zone. I need to query this column with timestamps in UTC timezone. How do I create an index on the column ...
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Oracle Backup and Recovery

My backed up archivelog file format is 'al_%U'. During recovery it shows the following error: RMAN-06054: media recovery requesting unknown log: thread 1 seq 17 lowscn 671075 How to determine which ...
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Troubleshooting / traceroute within Oracle Instant Client?

I am troubleshooting a freshly reimaged backup server Win2000 / Oracle 10.1.0.5.0. Here's what I did: Installed Oracle 10g by copying Basic Instant Client package and ODBC package into same ...