Oracle is a relational DBMS (Database Management System) created by Oracle Corporation. It supports a large number of languages and application development frameworks. Its primary languages are SQL, PL/SQL and Java.

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What does Oracle Data Access Components Release number mean?

I need to document the Oracle Data Access Component installed on our system. The current version we have installed is 12.1.0.1.2. What does each number indicate ? I searched but could only find ...
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7answers
4k views

Things every Oracle DBA should know

This could include: Books worth reading; Tools worth having; etc.
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3answers
5k views

How can I find my Oracle 10g server version?

I don't have physical access to my Oracle server but I can run some sql command from Toad. Is there a way I can find wich version the server is running, like 10.2.3.1. I know it's 10g but I'd like to ...
4
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1answer
50k views

How to execute datapump commands as sysdba from remote machine

I would like to know the syntax to call datapump commands (expdp/impdp) logged as 'sys as sysdba' from a remote machine. I know that when logged on the machine which runs the database, I can use : ...
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1answer
785 views

How To Remove Non-Existent/Phantom Yum Repository?

TL;DR... I'm replacing public yum repos with an internal one and I can't figure out why two public ones continue to display in "yum repolist" when they don't appear in the normal config files. I've ...
2
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1answer
116 views

Migrating Oracle DB to another operating system from Red Hat Enterprise by using a disk image

I have a Red Hat Enterprise server disk image that Oracle DB is installed on it. My question is : Is it even possible to use this disk image in order to setup same DB on another Oracle supported ...
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0answers
69 views

Oracle Linux hangs on Hyper-V

I am trying to install Oracle Linux 7.0 on Hyper-V. While I click through the GUI installer the system stops responding. The mouse cursor stays in the same place. It happened to me a few times, ...
13
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3answers
2k views

Does my Oracle DBA need root access?

My Oracle DBA Colleague is requesting root access on our production servers. He is arguing that he need it to perform some operations like rebooting the server and some other tasks. I do not not ...
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1answer
347 views

.NET 4.0 applications suddenly stop working with TNS error (IIS 7.5, Oracle 11.2.0 client)

I support an IIS 7.5 web server and I've been having a bit of trouble with my app pools. What I am seeing is every so often, the applications using connections to Oracle databases will stop working ...
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1answer
1k views

Why am I getting a 'Memory fault(coredump)' when I start the oracle listener?

This server (AIX ver 6) recently went out due a prolonged power outage. When I try to start the oracle listener I get this $ lsnrctl start Memory fault(coredump)
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1answer
105 views

How to find database connection information for Oracle on VirtualBox?

I am attempting to run an Oracle database on a Mac OS X system. To do so, I have followed the following guide: https://dimitrisli.wordpress.com/2012/08/08/how-to-install-oracle-database-on-mac-os-any-...
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1answer
83 views

Transfer enterprise data - tiny volumes - to AWS S3 for Heroku app

What would you suggest is the best option to get "enterprise" data from a client into AWS S3 so we can provide Heroku hosted SaaS? The data volumes are tiny, it's just daily spreadsheet/csv records. ...
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1answer
83 views

Why shared-disk architecture is beneficial for Oracle RAC? [closed]

Oracle RAC is using shared-disk architecture. I cant see why this can make the whole product highly scalable or available ? the shared storage can itself turn into a single point of failure. and if we ...
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2answers
259 views

How do I set up Weblogic 12c on Windows to start the http server on boot?

Windows 2008 server, Weblogic 12c. I have a pretty simple setup using nodemanager. My problem is that our webhost likes to patch and reboot the server without telling us, and the HTTP server doesn't ...
15
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5answers
926 views

Is my new Oracle DBA talking sense

When we setup FC LUNs for our MSSQL boxes we rarely have to present them with more than about 8 distinct LUNs of various kinds (Quorum, MSDTC, TempDB, Data, Logs, Backup and a few others). We have a ...
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0answers
42 views

Axis DMsuite RESTful API

I'm looking at Axis DMsuite for masking Oracle databases. I was told by their staff that they exposed some simple REST endpoints for triggering masking jobs, but I have done a fair bit of searching ...
2
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1answer
262 views

HPSA (HP Server Automation) [closed]

Using HP SA (HP Server Automation) version 9 for automation and its Oracle database consumes inordinately large amounts of CPU resources. Anyone have a similar experience?
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1answer
247 views

Configuring ASR and Oracle Clusterware

I have a four server cluster with Oracle Clusterware managing 4 MySQL instances on them. On failure Clusterware will move the MySQL instance to another server. I am on Proliant servers and also have ...
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2answers
4k views

Find Current open Cursors in Oracle

What is the query to find the no. of current open cursors in an Oracle Instance? Also, what is the accuracy/update frequency of this data? I am using Oracle 10gR2
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1answer
316 views

Creating javaroles in Oracle 11g XE

I have installed Oracle 11g Express Edition in my system.I want to create user who has got the role javauserpriv. After creating the user I ran the following command grant javauserpriv to dbuser(new ...
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1answer
123 views

Oracle EE 11.2g: how to generate fresh new redo logs

In the company I work for we are heavy users of VMware machines. Almost all our projects are developed inside a virtual environment up to the point where we have to deploy them into a production ...
3
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5answers
1k views

Should Oracle *online* redo logs be backed up?

Obviously archived redo logs are backed up as frequently as required, but does it make any sense to backup online redo logs? Is the online redo log an open and active file such that copying it in this ...
3
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1answer
1k views

Is there a way to easily run the same query in Toad against multiple Oracle database servers?

I have several servers hosting data for the same application, and I want to see the results of the same query from different servers.
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5answers
1k views

Hidden features of Oracle Database

As my daily job circles around an Oracle DB I wonder are there any hidden features that could come in handy in day to day work with the DB, both as a developer and as a DBA?
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1answer
982 views

yum Cannot open: oracle-instantclient11.2-basic-11.2.0.4.0-1.x86_64.rpm. Skipping

I am following this article on installing the oracle client RPMs on a CentOs 6.x server using yum localinstall.for some reason yum cannot open the RPMs - and I am at a loss as to what the next step ...
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2answers
3k views

latest version of oracle developer including forms and reports

What is the latest version of Oracle Developer which includes Oracle Forms and Reports? I am taking a Database Administration class in college. The professor is installing Oracle Developer 6i but ...
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2answers
224 views

OBIEE Upgrade from 11.1.1.5 to 11.1.1.7

Need assistance upgrading OracleBIEE 11.1.1.5 to 11.1.1.7 using In-Place upgrade i.e. with patch set assistance. Would like to know the following : The Pre-Requisite work (like taking backup of ...
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1answer
93 views

Is Oracle Smartscan really effective?

Oracle is marketing Exadata to our company, and they're focusing on Smartscan, which is, advertised 10x more effective than traditional solution. I don't really understand (and somewhat don't really ...
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1answer
787 views

SQL / OracleDB: How to set the same value for all fields in a column?

Is it possible to set a value for all fields in a column, e.g.: ID Host URI 1 //cyrus /images 2 //cyrus /videos 3 //cyrus /text 4 //cyrus /misc 5 //cyrus /backup I want be able to ...
2
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1answer
2k views

Oracle Account Not Responding

I have an Oracle instance which has user1, user2 and user3 accounts. Yesterday I was able to log in to all three accounts. Today, I can get in to user1 and user3, but user2 is completely 'frozen' in ...
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10answers
5k views

What is the best OS platform for Oracle 10g? [closed]

I want to know the best choices for OS to run Oracle 11g on my sand box. Also, I would like to know good combination for Dev environments in 50-100 user environments. Any other information about ...
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2answers
375 views

Why does my Apache access log timestamp sometimes go backwards?

I noticed that in my Apache log (actually Oracle's branded HTTP Server, which is really Apache) the timestamp of the lines sometimes goes down, instead of up. Here is an example: 1.2.3.4 - - [16/Dec/...
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1answer
1k views

Oracle 11g MTS install fails with error: OUI - 10150: Error: A runtime exception occurred while setting s_dlgCfgNamingLabelSIDnull

Is there a workaround in the Oracle 11g Universal Installer for the following error? OUI - 10150: Error: A runtime exception occurred while setting s_dlgCfgNamingLabelSIDnull in component oracle ...
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1answer
153 views

Dump users and group membership to file

I'm trying to get an oracle 6.2 system (same as redhat 6.2) to find all the users on the system, then take the username of each user discovered and query group membership of each user individually, ...
3
votes
1answer
286 views

Good Oracle book for MySQL users? [closed]

Just started using Oracle, no previous experience. I do have a good amount of experience with MySQL (and played a little with PostgreSQL). Could you recommend me a good introductory book to Oracle ...
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2answers
8k views

Oracle 11gR2: NLS_CHARACTERSET accidentally removed with an UPDATE-Query

I have a fresh installation of Oracle 11gr2_x64 on CentOS. After the installation I wanted to get productive and started to import my dumps. One of the dumps caused characterset error so I tried to ...
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5answers
2k views

Why does this SQL run so much faster in a Oracle server with the same hardware/data than another Oracle server?

My application has a SQL that takes ~ 30 min to run in the Oracle server in production. It takes about the same in a test Oracle server. For some reason, in another Oracle server, it runs much faster:...
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1answer
743 views

enable fanotify on oracle redhat linux kernel 2.6.39-400

As a newbie in linux environment, I am trying to install clamav daemon, which is clamd, on oracle redhat linux 6 kernel EUK 2.6.39-400. It needs to have fanotify enabled in the kernel. As I see there ...
0
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5answers
8k views

How to connect to oracle server in java?

I am trying to connect to my friends Oracle server. But while connection I am getting error please help..... JDBC code Class.forName(oracle.jdbc.driver.OracleDriver).newInstance(); conn=...
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0answers
204 views

Oracle GNS (Grid Naming Service) Breaks DNS

Am running a 2-node Oracle 12.1.0.2.0 ASM Flex Cluster using Oracle GNS which I believe uses zeroconf to create it's adhoc network. Before GNS starts, DNS works, i.e. nslookup, dig, ping, ssh all ...
2
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1answer
137 views

Alternatives to oracle flashback database/table functionality

Does anyone know of an open source tool or similar that covers the same functionality as the Oracle EE built-in flashback database and flashback table features? I'm considering going from Oracle EE ...
0
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3answers
971 views

SQL Server Migration Assistant for Oracle

I've recently installed SSMA and after connecting to both the Oracle instance (which holds the database to be converted) and the SQL Server I've mapped the necessary schemas from Oracle to MSSQL. The ...
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2answers
4k views

Configure Perl DBI and DBD in Linux

I am new to Perl and I work in a Linux OEL 5x server. I am trying to configure the Perl DB modules for Oracle connectivity (DBD and DBI modules). Can anyone help me out in the installation procedure? ...
1
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1answer
4k views

How can I turn of redo logging on a materialized view refresh?

10gR2 Database, in Data Guard configuration to both a physical and logical standby. I have a materialized view that does a complete refresh periodically of about 40K records from a remote database. ...
3
votes
2answers
22k views

How can I resolve Oracle 11g XE connection failure straight after installation?

I have just installed Oracle 11g XE on a Windows 7 VirtualBox VM, using all the default options. "Getting Started" fails When I click on Getting Started I get taken to http://127.0.0.1:8080/apex/f?...
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1answer
1k views

PHP oci8 dll not loading on windows 64 bit XP. What am I doing wrong? [closed]

on win 64, I installed apache, php etc. Everything works fine, except the oracle part. I can connect to oracle from sql developer which means my tnsnames.ora file is correct. When apache starts, there ...
3
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1answer
1k views

RSS feed/email list to be notified about java updates

I'm doing upgrades of JDK on our servers regularly. But because Oracle JDK installed via custom packages (not via package manager) I need way to be notified about updates. Are there way to be ...
2
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0answers
390 views

doing ODBC System DSN's from Active Directory

2008R2 Active Directory, workstations are Win7 Ent, Office/Excel 2013, Oracle 11.2. Excel fetches data from Oracle using System DSN's. Where can I put ODBC System DSN's in Active Directory? Do I ...
8
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4answers
56k views

Oracle difference between SID, DB Name, DB Domain, Global Database Name, Service Name, Service Alias and Instance Name

Can someone explain to me what's the difference of SID, DB Name, DB Domain, Global Database Name, Service Name, Service Alias and Instance Name in Oracle ? Thanks Michael
1
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1answer
4k views

Internet Explorer 8 - TLS Fatal Error Close Notify - Oracle HTTP - Server Apache 2.2.22.0

I applied the POODLE fix for Apache via "SSLProtocol All -SSLv2 -SSLv3" in the ssl.conf file for our Apache server but am having issues with the CAC Client authentication via "SSLVerifyClient require"....