Oracle Database Express Edition (Oracle Database XE) is an entry-level, small-footprint database, free to develop, deploy, and distribute; fast to download; and simple to administer.

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Cannot drop nonexistent constraint and cannot create it either

While testing some migration scripts with a copy of production data (scripts run fine with development data) I found a curious situation. A CONSTRAINT has changed so I'm issuing DROP + ADD commands: ...
2
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1answer
4k views

Installing Oracle 11g XE on Ubuntu 12.04

I have spent the last 6 hours trying to install Oracle 11g on Ubuntu. Obviously, I'm not the only one who has struggled with this, as there is a lot of (often misleading) "documentation" online on how ...
2
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1answer
289 views

NLS_LANG parameter

Is it possible to change NLS_LANG settings on the server after installation Oracle 11.2 XE? (I am not thinking about alter session.) As you know one can not choose db characterset nor nls_lang while ...
2
votes
1answer
883 views

SQL on Mac OS X

I'm looking for something like "Oracle database express" to be used on a mac. I hope this question won't offend anyone though. I'm absolute beginner on sql. Your suggestions are most welcome.
2
votes
1answer
406 views

Which backup files are needed for a successful restore?

Considering the built-in 'Backup Database' script (backup.bat) that comes with a new installation of the Oracle Express 11g Edition, after finishing the script execution, what folders/files should be ...
2
votes
1answer
1k views

ORA-12899: importing a .dmp file + character set conversion

I'm working on a django project on Ubuntu 10.04 with Oracle Database Server , so I've installed: Oracle Database 10g xe universal Rel.10.2.0.1.0 cx_Oracle-5.0.4-10g-unicode-py26-1.x86_64 When I ...
2
votes
0answers
52 views

Data not showing in English, unless you click on it - In sqldeveloper

I have installed OracleXE and imported data into it. From SQLPLUS, I can query the data and it all shows up in English. However, in SQLDEVELOPER, if I look at the data, it's in a nonsense format, ...
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4answers
2k views

Copying my Oracle 10g Express database to another PC

I have Oracle 10g Express. How can I make a copy of my database and application? I don't want to make a back up, I want to move my DB and application to another PC.
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vote
2answers
3k views

Trigger to automatically add values to a table in Oracle

I am new to Oracle. I am looking for a trigger which helps to automatically insert values into a table when data is entered into another table in the same database. I have tried a lot and didn't ...
1
vote
1answer
2k views

Mounting a database from database files copied from a previous installation

I recently had on Oracle 11g Express database crash. I have copied the .dbf files from C:\oraclexe\app\oracle\oradata\XE to another folder and reinstalled Oracle 11g Express. The files are: ...
1
vote
1answer
879 views

Oracle XE 11.2 Export / Import Charset

I created a database in oracle XE 11.2 that uses charset AL32UTF8 that I now want to export. When I perform the export, the resulting data appears in WE8MSWIN1252 character set and AL16UTF16 NCHAR ...
1
vote
1answer
169 views

Recover corrupted blocks in Oracle 10g XE

I am using Oracle 10g XE. I've noticed corrupted block error in datafile 1 in alert log. As I've found Oracle XE doesn't support Block Media Recovery(needs to be Enterprise Edition). So I did the ...
1
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2answers
81 views

A Separate Oracle Database at work

I recently started working at a company (Junior Web Developer) and so far loving it. The company's all and only database is one giant Oracle database that takes care of all their data persistence ...
1
vote
2answers
468 views

Need to install Oracle Express 11g Release 2 on a Windows 7 64-bit laptop

I need the Oracle 11g Release 2 sample schemas (HR, OE, etc.) in order to do most of the available online tutorials. I was hoping to install Oracle Express Edition on my Windows 7 laptop to get ...
1
vote
1answer
182 views

Oracle Express intermittently stops responding, requiring a OS reboot to fix

I've been having an issue with Oracle XE the past 2 days and it's really been making me pull my hair out. There seems to be no rhyme nor reason why this happens, or when it does, but it happened 6 ...
1
vote
2answers
56 views

Finding the highest quarter of the year

I'm sitting here and do some practise but I just can't find the Solution. Maybe someone could give me some help? I have a table and should find the highest sale amount of a quarter per year. Data ...
1
vote
0answers
293 views

SQLPlus times out when connecting to an Oracle XE database on another PC

I'm having the strangest issue. I have a very basic (I think) setup of an Oracle 11G database on one Hyper-V VM, and the Oracle 11G client on another VM. Although I'm able to access the database on ...
1
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0answers
231 views

Populate database column with drop-down menu item

I'm quite new to Apex and Oracle in general, but I would like to know how to populate a database column with the data from the drop-down list Currently I'm not getting further than simply creating ...
0
votes
2answers
310 views

Oracle 10XE: Stop schemas seeing the all_users table?

I've got an Oracle 10g XE Database that I want clients to be able to view remotely via SQL*PLUS or SQL Developer. Each schema has a name which includes the name of the client, so anyone looking at the ...
0
votes
1answer
4k views

Set encoding from within SQL*Plus

I have a large set of files with SQL commands that I run with a SQL*Plus script that uses the @@ operator. I run the script on third-party computers (or even send it by e-mail) so I'd like to make it ...
0
votes
1answer
235 views

oracle XE on windows XP stopped working

I know this will be greeted with derision, but yes I'm running Oracle XE on Windows XP. Long story involving office policies and VMs. Actually it's been working fine for a couple of years, but today ...
0
votes
2answers
5k views

How do I discover the Oracle Express workspace name?

Is there a way to discover the WORKSPACE name if I've forgotten it? I cannot login to the APEX admin console since I've forgotten what the workspace name was. I do know the SYSTEM user password. ...
0
votes
1answer
883 views

Cannot Login after configure oracle-xe [closed]

I already success install oracle-xe on my ubuntu 10-04, tried to configure the port and password sudo /etc/init.d/oracle-xe configure, and then restart my computer and go to http://127.0.0.1:8080/apex ...
0
votes
1answer
693 views

Error during the installation of oracle 11gxe

When I tried to install Oracle 11g XE into my machine (Windows XP media center edition, version 2002 SP3) I'm getting an error as 0x80040702 Description: Failed to load DLL:chkportDll2 I've ...
0
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0answers
33 views

increased tablespace but dba_tablespace_usage_metrics order shows same

Although I appear to have solved the problem of the tablespace being full I am perplexed that after altering the the datafile size that the tablespace size has remained the same. What is it that I ...
0
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1answer
33 views

Oracle XE Backup Restore Problem

I have a Oracle XE 11g on Windows 7. I try to backup my database and restore it. First, i backup my database with running backup.bat script which is in ...
0
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0answers
22 views

Oracle XE 11g (ORA-12514: TNS:listener does not currently know of service requested in connect descriptor ) [duplicate]

I have already seen the questioned in the stack overflow that might relate to my problem but let me emphasize that none of them could resolve my issue. issue is: when I wanted to integrate OWASP ...
0
votes
2answers
479 views

Installing scott schema for oracle 11g express

I want to install scott schema, a sample database in oracle. But in express edition, I can't find out it. Please help me install it on Oracle 11g express. I'm a newbie, pls help me
0
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0answers
48 views

Oracle DB automatic backups

I want to apologize because i believe that this question is already consumed, but please give it a chance. I've started practicing on a Oracle DB 11g XE. I'm following the tutorial from Oracle Docs ...
0
votes
1answer
282 views

SYS.DBMS_INTERNAL_LOGSTDBY causes error on dump import

I'm having problems importing a dump into an Oracle XE Database. The import worked for several other people, so I can assume that the dump is not corrupt. In ran the following command: ...
0
votes
0answers
4k views

Oracle XE TNS Listener fails to start

I freshly installed Oracle XE 11.2.0.2.0 and found out that the TNS Listener service fails to start. At first I tried to start the Windows service by hand. After the failure this is the entry in the ...
-1
votes
1answer
691 views

Oracle XE: Transfer Database from Linux to Windows

our professor gave us a linux VM with a Oracle XE 11g Database. I want to transfer this Database to my Windows installation because I dont't want to boot up the VM for every exercise. Everything ...
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votes
1answer
44 views

quick checkpoints for development mode

i'm a programmer, not a dba. i need a mechanism to quickly make a snapshot of a database (oracle 11g XE) before i run migration. migration changes data, grants, DDL (tables, triggers, lexers, views ...