Oracle Corporations version 10 of its flagship RDBMS product.

learn more… | top users | synonyms (1)

1
vote
0answers
801 views

What can cause [DataDirect][ODBC Oracle Wire Protocol driver]Connection refused.?

The Title speaks for itself. We have this error message on the client side of the application. The devs suspect a problem on the database. The alert log on the database shows no errors at all. The ...
0
votes
1answer
59 views

Oracle: calling udf that modifies the data. How to do it right?

Say I have a function : create or replace function test_function return integer as PRAGMA AUTONOMOUS_TRANSACTION; t_test integer :=1; begin update test1 set id = id+1 ; // table test1 has, for ...
2
votes
1answer
557 views

Is it possible to automate the configuration of dataguard broker?

We deploy a number of oracle databases every year and a good percentage of them require a dataguard configuration. I've developed a script which is able to perform the database synchronization very ...
3
votes
1answer
2k views

Installing 10g client next to 11g database on same computer

I have Oracle 11.2.0.1.0 installed on Windows 7 64 bit I want to import data from warehouse which has Oracle 10.2.0.4.0 installed. When I try to import impdp usr/pass@WAREHOUSE TABLES=TABLE ...
1
vote
2answers
887 views

Is Using Execute Immediate Bad Practice in Oracle?

So, I've been writing a script which creates a sequence (if it doesn't exist) then copies some data including a value from that sequence before deleting the original source data. As the sequence ...
8
votes
5answers
4k views

Oracle sort varchar2 column with special characters last

How can I sort in Oracle a Varchar2 or NVarchar2 column to be in my own custom defined order. Or are any existing options available that will put letters first, then numbers, then all special ...
1
vote
1answer
503 views

Using a sequence created in the same script in Oracle

SQL Server developer working on Oracle so apologies in advance if I'm fundamentally coming at this incorrectly from an Oracle perspective. I've got a script I've written which: Checks ALL_SEQUENCES ...
1
vote
1answer
727 views

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 ...
2
votes
2answers
972 views

Oracle 10g XE GUI

I've designed a database on Oracle 10g xe (Windows Platform) and I want to export the tables I created in a sql file. I've googled all night and didn't find anything. I also tried to install a Windows ...
5
votes
1answer
2k views

Oracle 10g express database link to Oracle 8i

I upgraded a 9i install to 11g with only one problem. Database links between 11g and our legacy 8i database are no longer supported. I have to transfer data from 11g to 8i two or three times a day ...
1
vote
0answers
500 views

Error starting up OC4J_EM: java.sql.SQLException: Logical handle no longer valid

I'm trying to launch the OPMN-managed process OC4J_EM, which is needed for Oracle's Enterprise Manager. When I run use the startall or startproc command, I get an error: failed to start a managed ...
2
votes
1answer
69 views

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 ...
1
vote
1answer
1k views

ORA-00449: background process 'MMAN' unexpectedly terminated with error 7446

One of our Oracle servers went down rather badly last night, and we have been unable to bring it online since. Attempting to startup each instance results in: SQL> Connected to an idle instance. ...
1
vote
2answers
733 views

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 ...
3
votes
3answers
27k views

oracle: No more data to read from socket

We are using Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 and we have an error on a query that gives us the error Error: No more data to read from socket SQLState: null ErrorCode: ...
4
votes
2answers
5k views

Export Oracle tables based on owner + all users from database

I would like to export all user and roles objects from Oracle 10g database to another. I googled it but I cannot find out how to do it. First I use this command: exp system/root@[DB_Name] ...
1
vote
1answer
372 views

How to implement a low resource privileged user on Oracle 10g using Resource Manager?

In my database I have users and their respective grants using the least amount of privileges principle. How do I start taking advantage of resource manager to prevent users from hogging all the ...
3
votes
2answers
1k views

Oracle imp crashes without error

I have Oracle 10g XE database locally. I export schema with something like exp %USER%/%PASSWD%@XE statistics=NONE owner=%USER% file=dump.dmp Exp is 10.2.0.1.0 version - so is the DB. Than I take ...
6
votes
2answers
3k views

Oracle 10g - How to prevent one user from hogging all resources?

I am wondering if there is any way to limit how much resources one user can take on my Oracle system. I want to limit some queries and systems from being able to hog all system resources when they run ...
3
votes
2answers
4k views

Generate sample data for an Oracle database [closed]

Good morning, What free [or trial] software can I use to generate sample data for an Oracle database? I've been trying with various tools, but none work. Thanks for all suggestions, Alec Taylor
2
votes
1answer
4k views

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 ...
2
votes
1answer
1k views

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 * ...
2
votes
2answers
943 views

Is it possible for me to be notified if an 'after insert or update trigger' stops working?

Last week, I found my after insert or update trigger wasn't working. After I disabled and enabled it, it started working again. I do not yet know why it stopped working. Is there any way to deal with ...
1
vote
1answer
8k views

Read Oracle BLOB type via SQL

I have an oracle table with field type BLOB, length 4000, data type "2004". I know that this field simply contains some XML. How can I read the value of the BLOB, using an SQL select statement? Is ...
1
vote
1answer
1k views

How to drop materialized view logs if underlying log table ($MLOG_…) is dropped?

In an attempt to work around another problem, I have mistakenly dropped the underlying tables for a materialized view log, and now I can neither drop that log nor the MV relating to it. Our DBA says ...
0
votes
4answers
7k views

What's a good client tool to access Oracle RDBMS? [closed]

I'm looking for a good client tool to replace "Oracle SQL Developer" (the tool I currently use) which supports: Oracle DB 10g, 10gR2, 11g Running SQL code Debugging SQL code (with walk-through... ...
4
votes
2answers
564 views

Learning Oracle, does it matter if I install 10g or 11g?

I'm taking a class in Databases, they're using Oracle 10g in class, but I'm having some trouble installing the database here in Windows 8 (auth problems), so I thought I'd attempt 11g. Is 11g ...
0
votes
1answer
2k views

SQL keyword difference between MySQL and Oracle 10g?

Good afternoon, Are there differences between Oracle 10g and MySQL with the CREATE, ALTER, DROP, REF, PRIMARY KEY, FOREGIN KEY and attribute variable type keywords? The reason I ask, is I'm planning ...
1
vote
1answer
226 views

Oracle Application Server 10g Installation Process

I downloaded Oracle Application Server 10g from this Oracle site. It has 4 .cpio files for the Linux installation. How do I unzip and install it on VMWare?
7
votes
2answers
266 views

Why is Oracle using the index here?

Name Null Type -------- -------- --------- ID NOT NULL NUMBER(4) GROUP_ID NUMBER(4) TEXT CLOB There is a btree index on group_id. Here's how many ...
2
votes
1answer
8k views

What to do with those invalid JAVA CLASS object type objects in SYS prior to the upgrade the oracle db from 10g to 11g?

I am ready to upgrade the oracle 10g prod db to 11g, but we have 130 invalid objects in SYS (all are belong to JAVA CLASS object_type). And from the best practice of oracle upgrade from 10g to 11g, it ...
6
votes
2answers
4k views

How Long Would Take to Upgrade an 1T Oracle DB from 10g to 11g?

How long would take to upgrade an Oracle DB which has 1T data from 10g to 11g usually/roughly? I need to estimate the down time for it since it is a prod db. Thanks much!
10
votes
5answers
13k views

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: ...
4
votes
1answer
480 views

Can Oracle Text query return the terms found?

I am querying an Oracle 10g database. The database contains a table with documents that has an oracle text index. I query the database using a query like SELECT SCORE(1), title from news WHERE ...
1
vote
1answer
5k views

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 ...
5
votes
3answers
9k views

Oracle 10g: Properly using ora_rowscn to detect table row changes (ie, inserts, updates, deletes)

Some research into checking when a table's records were last updated, modified, or deleted has lead me to the pseudo column known as ora_rowscn. First, I do this: select max(ora_rowscn) from ...
2
votes
1answer
442 views

Oracle Database Block Size

One of our Production database has a rather peculiar block size of 16KB. This database was created about 2 years ago and at that time the size of the db was approx 1TB only.However over the past 2 ...
1
vote
1answer
534 views

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 ...
7
votes
1answer
34k views

How do I declare and use variables in Oracle?

My main skills are with SQL Server, but I have been asked to do some tuning of an Oracle query. I have written the following SQL: declare @startDate int select @startDate = 20110501 And I get this ...
3
votes
2answers
8k views

Oracle 10g dump file push into Oracle 11g database

Currently when executing the imp command with the following parameters: file=my.dmp log=my.log fromuser=myuser touser=myuser The following errors occur: IMP-00058: ORACLE error 12560 ...
2
votes
3answers
11k views

Clone / Copy Oracle 10g & 11g

Hi I am absolute begginer in Oracle domain. I would like to learn way how to clone copy oracle database to som backup, use this backup on another server. Oracle is installed on Windows server 2003. ...
2
votes
2answers
5k views

How to debug “IO Error: End of TNS data channel” errors?

I am seeing sporadic reports of an application failing certain queries with an "End of TNS data channel" error from the Oracle (10g) server. Are there any queries I can run (e.g., with SQL*Plus or ...
7
votes
4answers
27k views

create incremental number in oracle sql query

how to create incremental number in oracle sql query without create any table ? I have tried using "with" clause, but I failed to get the expected result. I am using oracle 10g here is the code that ...
3
votes
4answers
8k views

Sqlplus parameterized query via file

I would like to issue a parameterized to Oracle via sqlplus with all the the parameters provided in a text file. Is there a way to do this? The query has more parameters than is reasonable for a ...
18
votes
7answers
11k views

Oracle - Any way to view uncommited changes to a particular table?

I'm debugging through a batch process currently that does a lot of DML statements, but doesn't do a commit right away. It would be nice to be able to view the "pending" changes from another session ...
2
votes
1answer
2k views

Oracle Create Materialized View Script - Takes 12 minutes in DEV Schema, 5+ days in QA Schema

I have a materialized view in my Oracle 10g database that I need to rebuild. So I'm doing something like this... drop materialized view ViewName; CREATE MATERIALIZED VIEW ViewName NOCACHE LOGGING ...
0
votes
0answers
324 views

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 ...
2
votes
2answers
540 views

Encountering exception ORA-01555

I was given a problem to solve , in which there is table called Scenarios in the Master Db which contains the details of all the Tablespace for which I have to find the size. The O/P should contain ...
2
votes
1answer
2k views

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 ...
3
votes
1answer
1k views

Oracle 10.2.0.1.0 listener process stopped

When I am checking my servers I see that there is an error about listener process stopped. I logged in and checked the status of listenere. please see the below status; LSNRCTL> status Connecting ...