The second and terminal release of Oracle Corporations Oracle 11g database product. 11.2 was released for Linux on September 1st, 2009. New features added include RAC One Node, Improved data compression ratios (up to 20x), Edition Based Redefinition, Recursive Subquery Factoring, Instance Caging, ...

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1answer
150 views

Does Oracle server installation include client components?

I installed Oracle personal edition on a Windows Server 2008 virtual machine for testing purposes. My intention is to test Linked server functionality with SQL Server. Does Oracle Server installation ...
3
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1answer
112 views

Using Inteval Datatype to store result of calculation

I want to create a table which has hiredate and Interval of hiredate and sysdate. How to create a column that automaticlaly stores the calculation.
5
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1answer
160 views

how do I configure a new Oracle 11g instance to match the configuration of the old Oracle 10g server

How can I compare two Oracle database servers which are on two different machines? We need to ensure that the new server is setup correctly. For example, one machine is running Oracle 10g on ...
3
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1answer
58 views

INDEX on a table where I'm only filtering on a row_number()

I've got the following table (scaled down to a MWE): Fiddle here. CREATE TABLE weekly ( yearnum int, weeknum int, location varchar2(5), weekly_count int, weekly_sum int); INSERT INTO weekly ...
3
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1answer
1k views

How far should bind variables go in Oracle?

I am currently examining all database users's SQL code in our department for not using bind variables. We do experience an ORA-04031 error within a constant period of time. Now, I have a quite firm ...
3
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1answer
3k views

Drop user did not reduce size of tablespace file

I have a development environment in which I frequently copy a certain schema. When I'm done with the copy, I will use OracleEM to drop that user/schema. My problem is that this does not seem to ...
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1answer
13k views

Oracle DBCA utility: “Listener is not up or database service is not registered with it”

I'm a software engineer with some experience on SQL Server but a newbie on Oracle. I'm attempting to run dbca on a remote linux machine to reconfigure a database that was initially configured to idle ...
4
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1answer
355 views

Dodgy causes of ORA-12549?

I am dealing with a rather massive ETL processing which keeps throwing me the ORA-12549 error. Have been looking for problems in the database so far and nothing. The DBA says the database is "fine" - ...
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1answer
9k views

How do I find out the “redo log file max size” in Oracle 11R2

I'm working with Oracle 11R2 and I want to see the max size of my redo log files (I didn't install Oracle so I'm not aware of the configuration). I have searched the Internet but all I have found ...
2
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4answers
449 views

Oracle hint failure

When I run the PL/SQL block after the CREATE statement, I receive the duplicate key error I would expect if I did not add the hint. Any ideas to why the hint does not work? CREATE TABLE Sandbox.Clue ...
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1answer
83 views

Verify if I can use a given directory

Admin creates an Oracle directory: CREATE OR REPLACE DIRECTORY EXAMPLE AS '\\server\share\test'; GRANT READ, WRITE ON DIRECTORY EXAMPLE TO JOHN; Admin can test whether the directory exists: SELECT ...
4
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1answer
5k views

Is there a timeout for a query over database link?

Edit/Preface: This question has been migrated from SO as I am particularly interested on the question on timeouts on DB link queries. The provided workaround from SO is somewhat OK, but I'm really ...
3
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1answer
998 views

Query taking long on table with low record count

I have an Oracle flat table that grew to just below 800MB. The table was truncated and new records are being inserted. Currently there are <40 records in the table but a select * takes >30secs. ...
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2answers
3k views

Oracle database link to MySQL database on RedHat Linux

I have an Oracle 11g database on a RedHat server and also have MySQL database on another RedHat server. I want to create a link to the MySQL server from the Oracle which allows me to execute queries ...
0
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1answer
4k views

Oracle Forms Runtime error

When I am running a form in Forms 11g http://rahulsingh-pc:8888/forms/frmservlet I'm getting an error: Failure of server APACHE bridge: No backend server available for connection: timed out after ...
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0answers
163 views

Port no in Oracle Forms 11G

Which port number to be used in forms 11G Preference-->Runtime--> Application ServerURL Section? I have: 1521-Given at the time of database creation 7003 and 7004-Given at the time of WLS Domain ...
1
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1answer
2k views

Oracle backup with RMAN Options?

I'm trying to learn RMAN but getting confused everytime I read Oracle docs! Can someone help me what are the differences and when to use the following? BACKUP DATABASE PLUS ARCHIVELOG DELETE INPUT ...
6
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2answers
9k views

Learning to Optimize SQL Queries and Understand Execution Plans - Resources?

I find myself writing more and more SQL queries at work (mostly Oracle 11g, but some SQL Server 2005-2008) and have started creating some pretty complex views for the rest of the analyst team. They ...
3
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1answer
384 views

Log rotation of diag logs?

In on of our Oracle 11.2.0 installations the directory database\diag\rdbms\$DB\$DB\alert is filled with hundreds of xml files (log.xml, log1.xml ...). Can Oracle be configured to do log rotation ...
2
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1answer
810 views

Flashback feature in Oracle 11g?

I am using Oracle 11gR1. As a part of a project, I have to execute multiple update statements by disabling a few constraints (triggers and check constraints) which could result in a corrupted ...
4
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1answer
982 views

Ports necessary for Oracle 11g Replication across a firewall?

We have two Oracle 11g Enterprise Edition servers that need to replicate data via Oracle streams. However, the two servers are on untrusted domains and connect via a VPN. On end of the connection is ...
4
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1answer
346 views

How to use simple output parameters?

I'm new to Oracle, so I apologize for such a simple question, but I've already wasted several hours on it. I have the following stored procedure: create or replace procedure MyTestProc (outparam OUT ...
0
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0answers
755 views

ora-07202 when creating standby database

I am pretty new to Oracle database, and I am trying to set up a high availability between two PCs. The first PC runs Windows server 2008 R2, and the second is on Fedora. As far as I have read, with ...
3
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1answer
986 views

Objects in v$bh but not dba_objects

The Oracle documentation has a section in the 11.2 Performance Tuning Guide with the title Determining Which Segments Have Many Buffers in the Pool. The section lists the following query: SELECT ...
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0answers
57 views

Enumerate open oracle connections

How can I troubleshoot which processes are keeping connections open? Background: A QA installation of several software components is generating an ORA-12516 error now and then, and I'm not sure which ...
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1answer
4k views

Error calling stored procedure from trigger in Oracle Database 11g

I'm trying to create a trigger that calls some Java code whenever a table is inserted/updated. I'm aware of possible performance issues, I don't need advice that I should not do this; I just need to ...
2
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1answer
15k views

How do I grant execute permission to an Oracle database user?

I'm trying to call a Java function from Oracle database that does the following: Process p = Runtime.getRuntime().exec("..."); When I try to run it, I get the following error: ORA-29532: Java call ...
2
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2answers
5k views

Setting NLS params in logon trigger don't work in oracle 11g

We have a trigger setup so that when a specific user logs in, their NLS session parameters are modified. This used to work on Oracle 10g. We've just migrated to Oracle 11g RAC, and the session ...
4
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1answer
2k views

Comments in EXPDB parameter file

Is there a way to put comments in a data pump export parameter file?
3
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2answers
26k views

How do you get the explain plan?

Can some one please explain a bit about explain plan, and how does one get the explain plan for a query. Also, if there is any sql script which can be used as utility for this, that would be great.
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1answer
249 views

Can I recover an overwritten incident trace file?

I was looking at incident trace file in oracle database but some how that file got overwritten. As of now I have ecrep_ora_26467_i49966.trm but trhe corresponding .trc file is lost. is it possible to ...
2
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1answer
2k views

Can RMAN duplicate be used to “replace” an existing database?

I have an unused database B, not valuable. I'd like to make a copy of database A, but do not want to go through all the manual steps RMAN requires to set up the auxiliary database. Can I use RMAN ...
1
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2answers
2k views

Rule of thumb: AUTOALLOCATE or UNIFORM size for tablespaces

Is there a rule of thumb for creating a tablespace with extent management AUTOALLOCATE or UNIFORM? If the latter applies, how to estimate a reasonable extent size? Even more, what should apply for ...
0
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2answers
3k views

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 ...
3
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1answer
326 views

Oracle 11, incremental backup goes wrong

Got a pretty big instance on a one-week backup cycle with an incremental (differential) strategy .. or rather, that's what it was supposed to be. Somehow the daily differentials seem to come out as ...
0
votes
1answer
2k views

Override default SERVICE_NAME in init.ora

I'd like to define several service names for my instance in such a way that users should not know the actual instance name. This is what I have done in my init.ora: db_domain='company.com' ...
1
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1answer
6k views

ORA-39165 Schema was not found in export

I'm getting the following error on a data pump export: ORA-39165: Schema OFDAT was not found. First I verified that I had full export permission: GRANT EXPORT FULL DATABASE TO OFDAT; Then I ...
3
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2answers
679 views

Oracle extents - How can I have so few with this large size?

Note on duplication: This is not a duplicate of "Oracle extents - How can I have so many with this small size?" This is a separate question I entered which happens to be in the same domain. This is ...
4
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2answers
1k views

Oracle extents - How can I have so many with this small size?

This is a different question than the one with the almost-identical title. Again, this is more curiosity about how Oracle Database works than anything I need to change (yes I know multiple extents ...
8
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3answers
3k views

I have a powerful machine with 70 GB RAM. How many Oracle instances with 20 GB can be created?

I have powerful machine with 70 GB RAM. I created one Oracle instance with 20 GB as sga_target. I am not able to create another Oracle instance with sga_target > 10G even when I keep the ...
0
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1answer
2k views

Upgrading 10g database to 11g database

Is doing a full data export (expdp) from an Oracle 10g (10.2.0.1.0) database and then doing an import of that dump file (impdp) into an 11.2.0.2 database a valid and acceptable upgrade path from 10g ...
3
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1answer
133 views

Thoughts about Oracle backup procedure for 11.2 (beginner question)

Two days ago we "found out" that our old, not taken care of, horribly neglected, Oracle DB server was extremely important to our business. The only person who knew anything about this server was ...
0
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2answers
847 views

schema analyzer tool [closed]

I am currently using TOAD to connect to the database. I have around 20 tables that I have been asked to analyze ( I am new to project ). I think the first place to start is to understand the relation ...
1
vote
1answer
871 views

Oracle Client vs Oracle Instant Client on Linux!

to have the following setup on a Linux box: SQLPlus client library (oci.dll)!!!! ORACLE_HOME is set for users is Oracle Instant Client enough or I need to have the Oracle Client installed on the ...
1
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1answer
13k views

Why does DBMS_JOB.SUBMIT execute immediately when NEXT_DATE is in the future?

I wanted to create a job that will run tomorrow at noon and recur every day at noon, so I executed this script: DECLARE X NUMBER; BEGIN SYS.DBMS_JOB.SUBMIT ( job => X ,what ...
1
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1answer
743 views

how to see multiple column values in new line [duplicate]

Possible Duplicate: how to query multiple row data in single column in oracle? my table structure is given bellow deptid ename ------ ------ 10 CLARK,KING,MILLER 20 ...
0
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1answer
147 views

Best practices in securing Oracle Standard edition one [closed]

I have a database server with Oracle Standard Edition One. I'm interested what are the best practices to secure Oracle? I have Java web application installed in the same server. The Java application ...
9
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2answers
2k views

Oracle Shutdown Method

Shutting down a database before doing an upgrade or a patch can be done several ways. shutdown immediate; or shutdown abort; startup restrict; shutdown immediate; or shutdown abort; startup ...
2
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1answer
369 views

Error creating linked database to oracle

CREATE DATABASE LINK myLINK CONNECT TO username IDENTIFIED BY password USING 'PROD'; OPT= (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.6.1.5)(PORT = 1521)) ) ...
7
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4answers
21k views

Execute a script with SQLPlus containing blanks, semi-colons, and forward slashes

Occasionally I will get a script that will run fine in SQL Developer or Toad, but requires modification in order to be run successfully from SQL*Plus. Here is a worst case example containing multiple ...