Oracle is a RDBMS (Relational 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. Also included is support for C (Pro*C, OCI and EXTPROC), C++ (OCCI) and Java (JDBC) ...

learn more… | top users | synonyms

1
vote
1answer
119 views

How open oracle DB Linux (After installation)

I have just installed Oracle 11gR2 on my Linux Mint Distro (xfce). All worked fine, and I was able to acces to https://localhost:1158/em [Erreur 102 (net::ERR_CONNECTION_REFUSED) ] I rebooted my ...
3
votes
2answers
686 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 ...
10
votes
5answers
12k 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: ...
0
votes
1answer
1k views

ORA-01033: ORACLE initialization or shutdown in progress using Oracle Express

I am using Oracle Database 11g Express Edition. I'm on Windows 7-64Bit I get this error when trying to access the database: ORA-01033: ORACLE initialization or shutdown in progress I set up the ...
0
votes
1answer
234 views

ORA-04031: unable to allocate 32 bytes of shared memory

I want to flush shared pool because of error like ORA-04031: unable to allocate 32 bytes of shared memory So I want to flush shared pool using alter system flush shared_pool; Connected as ...
1
vote
0answers
19 views

Oracle 12c database cannot log in as a local user

I met a problem from Oracle 12C Database, when I try to login to the user account with commandconn test/test, I got prompt of "invalid username/password, logon denied". when I use conn ...
1
vote
3answers
8k views

Literal does not match format string error in oracle

I was given a SELECT statement that is running in a Crystal Report to investigate a data problem but when I try to run it against the database I get the error: ORA-01861: literal does not match ...
1
vote
0answers
7 views

oracle bulk loader processing columns with newline characters

I'm trying to load a file with description columns which may contain newline characters. The file is Unix format utf16, tab separated and description columns are enclosed in ". The problem is bulk ...
0
votes
0answers
43 views

Is there a way to check which views have data? Oracle 11g

I'm undergoing a cleanup process for a data mart design. However, I want to get rid of any views (in the design) which result in having 1 or less rows of data. Instead of manually going through ...
8
votes
4answers
11k views

What does the term “projection” refer to in an SQL query (or view definition)

In Oracle's document The Query Optimizer, under View Merging, I found the following information The view merging optimization applies to views that contain only selections, projections, and ...
0
votes
1answer
23 views

Right way to get references to an object in Oracle?

I want to find all the objects referencing my object. I came up with this query, Is this the best way to get all references to an object? (I know this doesn't include constraints, I handle that ...
0
votes
1answer
262 views

Oracle 10gR2 - fix for SSL version following Poodle attack

We use Oracle utl_http to send https requests from within our database (10gR2). As SSLv3.0 is now considered insecure (POODLE) we need to upgrade to TLS. How can we ensure TLS usage when sending ...
0
votes
0answers
26 views

TAF vs SCAN in Oracle 11gR2

We are planning to use Oracle 11gR2 RAC. I am wondering if TAF is required to setup even when using SCAN in Oracle 11gR2 RAC. Please let me know if there are any advantages of using TAF along with ...
5
votes
2answers
108 views

How to track DML and DDL daily events

I have the following query to track what tables are modified in the current date: SELECT TABLE_OWNER, TABLE_NAME, INSERTS, UPDATES, DELETES, TIMESTAMP AS ...
1
vote
2answers
4k 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 ...
0
votes
1answer
74 views

“Oneway” Replication from Oracle DB to TimesTen

currently I'm really stuck into a problem and I not able to finde a nice way to realize that. I need a suggestion to replicate from oracle db (some tables) to a TimesTen. A connection is only ...
4
votes
0answers
57 views

Can an active session in oracle be dead?

I have a time consuming query which populates a materialized view. It has been running for 18 hours - which was not expected. SELECT STATUS FROM V$SESSION WHERE SID=194; The above query shows the ...
1
vote
2answers
765 views

Oracle Linked Server query error

We have a problem with a query from a SQL Server 2008R2 - 64bit to an Oracle Linked Server. We use the Oracle 64-bit driver for Windows. When we query a certain table we get the following error: ...
0
votes
2answers
172 views

my oracle db won't open please help

This is what happens when I try to query as DBA: SQL*Plus: Release 11.2.0.1.0 Production on Mon Nov 10 22:28:00 2014 Copyright (c) 1982, 2010, Oracle. All rights reserved. Enter user-name: sys ...
0
votes
2answers
224 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 ...
-1
votes
0answers
44 views

Oracle: delete/insert vs. insert/exception/update

In general is there a performance advantage for of these "upsert" methods? Or is either method preferrable for other reasons? delete then insert delete from t where pk = ...; insert into t(pk, ...
1
vote
1answer
323 views

Reorganize Objects in OEM - Host Credentials do not have enough privileges

When I try to re-organize objects from OEM (11g) and enter my host credentials (not "oracle"), I get the message: "An error occurred verifying the host credentials. Make sure the credentials are ...
0
votes
1answer
2k views

netca failed during installation of Oracle 12c on Windows

I have installed Oracle 12c on Windows Server 2008 and during installation it shows the following warning: [INS-20802] oracle net configuration assistant failed When I click retry it continues ...
0
votes
2answers
35 views

OLE DB Driver sql 2008r2 to Oracle failing

I have a SQL Server R2 Installation running on Windows Server 2008 R2. I have installed Oracle Instant Client, registered the OraOLEDB.Oracle driver(orasql12.dll), and set the PATH in environment ...
2
votes
1answer
591 views

How do I identify the remote db agent name to use in create_database_destination on Oracle 11gR2?

I am trying to setup DBMS_SCHEDULER in Oracle 11g to run a remote database job. I have a remote Oracle 11g R2 database on unix and a local one on Windows. I read that you can install the oracle ...
0
votes
0answers
25 views

php oracle 11g client side character encoding

My oracle 11g database has utf8 character encoding. And data like ä ö ü etc. Oracle is not on the same host as my php application. The database host can be a Windows 7 machine (in Windows-1252) and a ...
2
votes
2answers
419 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 ...
0
votes
2answers
414 views

Split a string in different columns on basis of no of spaces

i want to split a string in different columns in the following manner through oracle Input String: hello how are you doing Output: hello how, how are, are you, you doing please help guys.. !! ...
0
votes
2answers
133 views

Why the Order by clause avoid index scan and taking long time in Oracle 11g

I am facing problem on query when i run with ORDER BY clause it perform TABLE ACCESS and at the same time if i comment the ORDER BY clause then the query start using index . Anybody answer me why ...
0
votes
1answer
198 views

Sql*Plus ERROR: ORA-12154: TNS:could not resolve the connect identifier specified

I installed Sql*PLUS on a cloud Oracle Linux Environment in order to access an remote database. I used the installation instructions provided as an answer here: ...
0
votes
4answers
113 views

What is a DB Link good for?

Here is defined what a DBLink is but I really understand for what kind of situations you need it? What I could imagine is a situation where I have a limited (in size like sql-server express) ...
0
votes
1answer
111 views

How oracle syncs data across nodes in a cluster

If I have a oracle db server clustered across 2 nodes, it means both nodes have a copy of the whole data, the data is not lying half and half on each node. Now when I make an update using my ...
1
vote
2answers
228 views

Oracle Compatible Parameter to set

Is there any difference in setting the Compatible Parameter to 11.2.0.0 vs 11.2.0.4 ? Are there any advantages / dis-advantages ?
13
votes
4answers
33k views

How to find the latest SQL statements within the database?

I like to get the latest executed statements within my database, along with performance indicators. As such, I like to know, which SQL statements were most CPU/DISK intensive.
0
votes
1answer
2k views

Cannot create an instance of OLE DB provider “OraOLEDB.Oracle” for linked server

i am having a bit of a linked server problem . I created a sql server linked server and it's been working fine for last 2 years and suddenly not working . SQL Server Microsoft SQL Server 2005 - ...
0
votes
2answers
58 views

ORA-00600 argument description

I am experiencing several ORA-00600 error events, presumably during exceptionally high I/O. Does anyone know where I can lookup the meaning of the following arguments for ktspfmdb:objdchk_kcbnew_3? ...
0
votes
1answer
53 views

Oracle 11gR2 RAC unable to connect to SCAN address [closed]

I'm having a problem with my RAC environment. I am using RedHat 6, Oracle 11.2.0.4 SE. Have a 2 node RAC setup using ASM. When connecting using SQL Developer, i can connect to my service ...
0
votes
1answer
38 views

Oracle RAC, unable to connect to node vip [closed]

I have a new oracle RAC installation running 11.2.0.4 on redhat 6. I can connect to sqlplus from a client using the node name but it is timing out when i use the node vip eg. first one works, second ...
0
votes
1answer
18 views

Unable to configure oracle 11g net server

I installed Oracle 11g on my Windows Server 2008 workstation. After I try to configure oracle net server with port number 1521. But ONS error say to me as "Use another port number. This port is ...
0
votes
2answers
6k views

Oracleasm deletedisk failed Unable to clear disk

I have dropped the disk from ASM diskgroup: > ALTER DISKGROUP DATA01 DROP DISK DISK1; Oracle did a rebalance operation and then dropped the disk. Now, I want to delete the disk from ASM library ...
1
vote
1answer
28 views

Compact Spool file from Sqlplus

I have scripts that I run in Oracle SQL Developer and then export the result to my pc as a csv. I now started using sqlplus with a .bat to run my scripts and spool the result to my pc. But I noticed ...
3
votes
1answer
50 views

What is the difference between public_dependency and dba_dependencies?

I know that PUBLIC_DEPENDENCY has only the objects and references Ids, and the DBA_DEPENDENCIES does not have the Ids, but the Type, Owner, Name, etc of them. But beyond that, what is the difference ...
2
votes
1answer
3k views

Oracle program “lsnrctl” is missing after the installation of 32bit Oracle client

I cleaned up my computer for all old Oracle stuff using Uninstall (OUI) and then later used regedit to delete all references to Oracle and then deleted all remains of Oracle directories. I have HP ...
6
votes
2answers
81 views

Will the Oracle optimizer still plan a join if I'm not reading any columns in the joined table?

Suppose I have the following view: CREATE VIEW dummy AS SELECT a.some_column, b.other_column FROM a LEFT JOIN b USING (key_column); When I do a SELECT some_column FROM dummy, is there a way to ...
0
votes
0answers
47 views

Removing locks in Oracle without being admin

3 wild sessions each got a row exclusive lock in the same table: SELECT * FROM DBA_DML_LOCKS; How can I remove the lock without being admin? If I was admin I would list (SID, SERIAL#) of the ...
2
votes
1answer
226 views

How to move 200 materialized views without having to re-create in the new home

I am moving a database with 200 materialized views into a new server. All of them are 'fast refresh' materialized views , means they have corresponding materialized view logs, in this case sitting on ...
1
vote
2answers
3k views

ORA-02049 and ORA-02063 Errors

Select For UPDATE NOWAIT is performed on a table by 20 processes in parallel The error below is returned by the 4 processes out of 20 (16 processes are successful) SQL_UPDATE_ERROR- : SQL update ...
0
votes
5answers
13k views

Message file not found when starting SQLPlus

I've installed Oracle XE 11.2 on Fedora 18 but have trouble starting SQLPlus. It quits with the following error: Error 6 initializing SQL*Plus SP2-0667: Message file sp1<lang>.msb not found ...
0
votes
2answers
1k views

Oracle schema import is not importing all the tables present in the schema dump file

I have exported an existing oracle schema from another machine and then imported it in my local machine. Import was successful, but some tables which are present in the export dump file are not ...
2
votes
2answers
144 views

Is it possible to upgrade Oracle 8i to 12c?

We have an old server running Oracle 8i. Is it going to be possible to directly update it to something newer like Oracle 12c, or would that require a complete uninstall and re-install? If we had to ...