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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981 views

Remove ORA-01100:DATABASE ALREADY MOUNTED

I am using Oracle 11g and there is a database create during installation name "xyz" and user "xyz".Now i created a user 'abc' and gave following permission to abc. "CREATE SESSION, ALTER SESSION, ...
0
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1answer
261 views

Cannot remotely connect to oracle express

I have installed Oracle Express in a oracle-6.5-x64 virtual machine (let's called it host). The installation went fine, I am able to connect and run commands using SQLPlus from the host. Now I'm ...
2
votes
1answer
22 views

Possible RMAN orphan files in backup directory

I am trying to scrape together some space in my Oracle 11g backup directory in AIX. I have deleted obsolete files using RMAN's "DELETE OBSOLETE" command, but I see many (just under 200) files dated ...
0
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1answer
30 views

Can install a test machine with Oracle 11G R2, not express edition, on a VirtualBox?

Im starting like a Oracle DBA, and I want play with the database and your administration task in a test enviroment. I have a macbook pro i5, and had thought install on it oracle under virtual box ...
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2answers
4k views

TNS-12535: TNS:operation timeout

I have Windows Server 2008 R2 with Oracle Client 11.1.0.7.0 client installed. TNSPing to 100% available databases (accessible from other machines, i.e. I can do TNS ping to these databases from other ...
0
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1answer
16 views

XMLDB - Nodes to Rows

I have an application that stores XML as XMLType in a table. This is the first time I'm using XMLDB and XMLType features, and was wondering if I could use the results from an XQuery FLWOR expression ...
0
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1answer
505 views

Oracle Enterprise Manager - Where do I find the error logs?

I'm not familiar with oracle management. The problem is when I try to connect to the enterprise manager through the Web browser I get this error: In english: "Internal Error has occurred. Check ...
0
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1answer
18 views

11gR2 didn't ask me to set username or any password

I have installed Oracle 11gR2 (latest version 11.2.0.1.0) on my system. During the installation it didn't ask me to set username or any password. I'm unable to start sql plus because i don't have the ...
0
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2answers
140 views

Database is slow once in a while

I am executing a web service for 100 times. The average response time of this service is 1.5 seconds. But when I look at the response time of each execution individually, there are a few executions ...
0
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2answers
1k views

Extract Archived Log Files from RMAN Backupset

I have an RMAN backup that is taken on 19th january with: BACKUP DATABASE PLUS ARCHIVELOG command. Now I need to restore Archived logs from that backupset to some other OS directory. Is there any way ...
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2answers
2k views

Create Oracle DB LINK to a database with no DB_DOMAIN

I'm trying to create a database link between this two DBs. My local DB is 11.2.0.3. SQL> select * from global_name; GLOBAL_NAME ...
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0answers
23 views

ORA-12578: TNS:wallet open failed

I am calling an oracle wallet through "autosys" job. When i am calling through clicking on my myreport.bat file its working fine and connecting to DataBase but when i am calling that myreport.bat ...
0
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1answer
447 views

ORA-01034: ORACLE not available in oracle 11g

I installed oracle 11g on ubuntu 14.04 and i started lister and the message is as below. LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 10-OCT-2014 14:20:02 Copyright (c) 1991, 2011, Oracle. ...
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1answer
35 views

Database fragmentation

How can we find the list of fragmented objects in the database. And how much space we can reclaim by defragmenting those objects.
4
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4answers
4k views

Why does = NULL not work in Oracle?

I recently realized that we need to use a special syntax IS NULL to compare a literal to NULL. Why does = NULL not work here?
2
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2answers
206 views

SQL query for next occurrence of specific date

I am working on a function for our database that contains contract data. Each contract expires on a certain date, and then each contract has an expiration type that determines what happens after that ...
0
votes
1answer
131 views

Oracle 11g not allowing to connect to. Error ORA-01122: database file 1 failed verification check

I am running Oracle 11g on Windows 7 Enterprise SP2 16 GB RAM, 1 TB HD. I can connect to Oracle using SQL Plus (see below), C:>sqlplus sys/xxxxxxxxx@XE as sysdba SQL*Plus: Release 11.2.0.1.0 ...
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2answers
2k views

Oracle query is slower the second time

I have a general question about something I'm seeing in performance tuning in Oracle. I have a query that I'm testing. It's too big and complex for me to provide a simple example, sorry! (I tried ...
1
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1answer
155 views

Enforce a constraint problem

This business model is for a case management database. This is closely modeled on the idea of a file folder representing the phase and a sequential checklist representing the stages. A case consists ...
0
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0answers
17 views

Sync local and master database in Oracle 11g [closed]

please suggest, I have one master database and many local database which will not connected with the master database all the time.And user will perform DML operation on local database as well in ...
0
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1answer
78 views

oracle tablespaces

I export db from user which is related on tablespace USER on local PC and import to user which is related to tablespace DATATAB on server....my question is: will data be stored in DATATAB tablespace ...
0
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0answers
27 views

Learning on the Job [closed]

I've been preparing for a DBA job for a couple years now and I feel like I can't really get a job as a DBA unless I get some hands-on in-field experience... The past two years I have been finishing ...
0
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0answers
10 views

Oracle 11G DataGuard: infrequent change of Log Archive Destination Role

currently we have the weired behavior of our DataGuard-Setup, in which the primary database somtetimes changes the role of "log_archive_dest_1" from "valid_for=(ALL_LOGFILES,ALL_ROLES)" to ...
2
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2answers
128 views

Oracle Data Pump Import imports no records

When we do an Oracle Data Pump import of our database, it runs without significant errors. However, on one table Oracle reports that 0 records have been imported. Processing object type ...
3
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1answer
2k views

Why ORA-00932: Inconsistent Types error?

Sorry for the meaningless title, but I couldn't think up a better one. I'm using Oracle 11g r2. The following query raise ORA-00932 error: SELECT BBB.FIELD1 FROM TABLE0 AAA JOIN (SELECT * FROM ...
0
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1answer
348 views

Views for XML with attributes using XMlTable

I created an XMLType table CREATE TABLE PERSON OF XMLType XMLTYPE store AS OBJECT RELATIONAL XMLSCHEMA "PERSON.XSD" ELEMENT "root"; The XML is - <root> <Person empid="1" empname="Joe" ...
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0answers
17 views

Where to put standby control file in Physical standby database?

I am creating a physical standby database for which I am creating a standby control file using command = ALTER DATABASE CREATE STANDBY CONTROLFILE AS '/oracle/dbs/stbycf.ctl'; but It creates only one ...
0
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1answer
809 views

startup mount issues with Oracle

I am a newbie with Oracle so bear with me. I am trying to simply shutdown and restart an Oracle db instance on a Windows Server 2008 machine (Oracle 11.2.0). Logged in via sqlplus, I issue the ...
0
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0answers
16 views

Increase in temporary tablespace while import

When i am importing some tables in my database, the temporary tablespace is getting full. This never happened earlier for other tables. Please help me know why this is happening and any solution for ...
0
votes
1answer
55 views

Oracle Database Client 11g R2 Installation Types, which components?

I need to know which component is under each installation type! Instant Client Administrator Runtime Custom (No need as it shows all the components) ALSO? does it includes ODP.NET? is it the ...
2
votes
1answer
647 views

Unable to start Oracle Database Server : Get an error as I try to start it

I just installed Oracle Database Express Edition 11g Release 2 for windows.It created a short cut icon on the desktop : but as I click this icon I see this dialog box : What is it ? How do I ...
0
votes
0answers
31 views

intermittent TNS-12533: TNS:illegal ADDRESS parameters

I am running a windows XP (SP3) VM in virtualbox, on which I host Oracle XE. It has been running fine like this for a couple of years, but recently I am seeing some strange problems. My client ...
0
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2answers
60 views

Slow import for users .DMP files in Oracle 11G

After upgrading my DBMS Oracle 10g to 11g, when it will import user files, they are slower than the old version. A .DMP file in Oracle 10g with the size of 20GB takes almost 1 hour to import, but ...
0
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1answer
68 views

How to know the timestamp of when the query was executed?

1)How to find when a query was executed.I ran a query couple of days ago,im not sure about the exact time, I want to know at what date and time the query was executed. Is it possible to get that ...
1
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2answers
66 views

Using transactions in sqlplus

I'm coming to oracle from postgresql. In postgresql, I can use the command-line tool, psql, to execute a delete or update in a transaction: dbpool.production=> begin; BEGIN ...
0
votes
1answer
85 views

Oracle 11g max login fail attempts workaround

My problem with database starts with situation where I cant really modify anything in database. My project specialist has limited time to help me. Here is the thing: My user in Oracle database has ...
1
vote
3answers
59 views

Oracle static lookup table

What is the best approach (or what options am I not aware of) to creating a static table or view where the data rarely, if ever, changes? An example use-case is a list of US states, where my ...
0
votes
3answers
6k views

How to migrate Oracle database to MySQL server?

Currently our application is running using Oracle 11g database. We are developing newer version of the application which runs on MySQL cluster. We need to migrate the data from Oracle database to ...
2
votes
2answers
464 views

Why can't I drop this Oracle datafile - even though it seems empty?

This system is Oracle 11.2.0.3.0, using ASM. We had an issue where there seemed to be a corruption issue of some kind - every time a row tried to get inserted into the table, we'd get the following: ...
0
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1answer
67 views

Oracle Duplicate Database with no archived logs

I am trying to perform a duplicate operation from one server to another (testing disaster recovery) on oracle 11g. I am very much still learning about Oracle. The system is not in production, it is ...
3
votes
2answers
543 views

FileWatcher Troubleshooting Options

I have setup a Credential/Procedure/Program/File Watcher/Job to monitor a folder for new files, but it is not working. I am trying to figure out what I can check to troubleshoot why this isn't ...
2
votes
3answers
2k views

How to automate Oracle DB installation (like a 'hands-free' install)?

I installed the Oracle 11g2 'standard' edition using the following zip-files: linux.x64_11gR2_database_1of2.zip linux.x64_11gR2_database_2of2.zip I used the installation guide by Oracle which I ...
0
votes
1answer
655 views

listener can not start

My listener in Oracle 11g R2 can not start . When I want to give the status of that, the error in below is shown: Connecting to <ADDRESS=<PROTOCOL=tcp><HODT=><PORT=1521>> ...
0
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0answers
21 views

ORACLE Query error contains lots of caret at symbols (i.e. ^@^@^@)

I made a query using Oracle DB, and the error contains the error code, followed by several thousand ^@ symbols. This would look like: Error at query 298 ORA-00942: table or view does not exist ...
0
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2answers
50 views

Oracle: How to split records across days

I have data with two timestamp columns startdate and enddate. The data is produced continuously everyday and some records are such that the startdate is one day and the enddate is the nextday as it ...
0
votes
1answer
171 views

FAST REFRESH ON COMMIT on Materialized view

I am trying to implement a materialized view which would Fast refresh on commit. I have created materialized view logs on base table as well but i am faced with the following error. ORA-12052: cannot ...
0
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2answers
180 views

Table redirect / filter / trigger on select

Is there any way to redirect queries to different tables / views based on the package that's referencing the table? I.e. packages A and B both have "select grade from schema1.grd_tbl", but I want ...
0
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1answer
49 views

Results of SAMPLE clause using a DBlink between 2 Oracle databases not randomised

I'm using the SAMPLE clause to retrieve random rows from a table. It works fine except when the table is from another database. I'm using a database link between 2 Oracle 11g databases (11.2). This ...
1
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2answers
46 views

Unit of COST in an Oracle execution plan

Is there a unit for cost in an Oracle execution plan? I mean if the cost of an operation is 50 then can I map this number to CPU cycles or utilisation percentage? What does this number stand for? Is ...
0
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1answer
44 views

Problem with procedure performance

I'm having problem in Oracle, where I have two procedures that are executed one after the other. Where the first procedure, I have a cursor that does insert into a table. This insert has about 30 ...