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398 views

How to get session parameters changed by the user in Oracle?

Oracle 11.2.0.3 . I need to identify all "alter session" changed for a specific session. There is some v$session_* where I able to get this information? My objective is part of investigation what ...
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0answers
202 views

Oracle DBMS_MVIEW.REFRESH debugging output?

Is there any way to see what DBMS_MVIEW.REFRESH is actually doing? I want to investigate partition change tracking (PCT) and verify that it is indeed only updating modified partitions.
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1answer
177 views

Oracle_Loader Quote in quoted field

I have a create table ext_file (....) type oracle_loader query that opens a text file to pull data out of it. The access parameters are: records delimited by newline fields terminated by '\t' ...
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1answer
2k views

Oracle: Tables and Views missing from the all_objects dictionary

I have a couple of database instances that are having the curious issue where tables and views do not show up in the all_objects dictionary which is causing some issue with certain schema viewing ...
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0answers
967 views

FOR loop oracle query with calulation

I have a list of distinct areas, and would like to track statistics for those districts in a SQL statement. I currently have a setup that runs some summary information, but it doesn't include the ...
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0answers
306 views

After RAM upgrade on 32-bit Oracle server, ORA-04031: unable to allocate x bytes of shared memory

We are in the process of upgrading our Oracle database server at work, from SUSE Linux Enterprise Server 10.4 / Oracle 10g / 4GB RAM (Intel 32-bit) to Scientific Linux 6.4 / Oracle 12c / 8GB RAM (...
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0answers
28 views

Create a schema like an existing schema [duplicate]

I have a existing schema in my database called SCOTT, how can I create a new schema with exactly the same privileges which SCOTT schema is having? Is there any create like or some command to create ...
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0answers
2k views

Not able to login in Oracle 11g console using sys/system@SID as sysdba

I am not able to login into Oracle 11g console using administrative account, when I tried it gives me error of wrong username and password. Then I tried from SQL plus, it got logged in without any ...
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0answers
44 views

Reliability of blobs in MySQL

I'm in the process of migrating an application working with Oracle to MySQL. That application stores data in the form of blobs, which can be pretty big. The Oracle production database is 60 Gb large ...
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0answers
3k views

Oracle merge query vs correlated update

I have a query which updates a table with data from another table. The current query is written as a correlated update with an exists clause to remove unnecessary rows. The problem is since both of ...
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0answers
526 views

Oracle prevent CPU usage per process/session

I have an Oracle instance to which several applications from different machines connect (http servers). Normally Oracle CPU usage is ~5-10% even on high server loads. But from time to time, one of ...
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0answers
23 views

isql*plus crashes in 9i when multiple user execute query simultaneously in oracle 9i [duplicate]

In my workplace Multiple users are using isql*plus(oracle 9i) to access single database through server url .But after some time isql*plus crashes and its services needs to started. Its causes a lot ...
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1answer
4k 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 - 9....
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0answers
750 views

ORA-03113: end-of-file on communication channel Can not connect [closed]

This is the log file: Errors in file E:\ORACLEXE\APP\ORACLE\diag\rdbms\xe\xe\trace\xe_arc0_5024.trc: ORA-00313: open failed for members of log group 3 of thread 1 ORA-00312: online log 3 thread 1: 'D:...
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votes
1answer
288 views

Where is my blob stored?

Using oracle 11, Although a lot was already written about blobs, there is something that is not still clear for me. I was told that by default blobs stored in row if the are < 3900. Does it ...
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0answers
348 views

Efficient, up-to-date way to import an Oracle database into MySql

Here's the situation: I need to automatically merge data from an Oracle and a MySql server into a single, new MySql server. The merging will happen daily, and the resulting server will be hosted on a ...
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1answer
1k views

Oracle shared memory exception ORA-04031 [duplicate]

I'm trying to establish an Oracle database connection. It throws the following exception: ORA-04031: unable to allocate 4048 bytes of shared memory ("shared pool","unknown object","sga heap(1,0)","...
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0answers
430 views

Delete backup directories using RMAN

Is there any way RMAN can delete empty backup directories?
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0answers
498 views

Creating and tuning a materialized view in oracle for use by Cognos BI

I am currently in the middle of a Cognos BI implementation and am having difficulty in tuning a view in order for SQL Server to select its contents for fulfilling the incremental load in a timely ...
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2answers
3k views

SQL Server to Oracle export using Microsoft OLEDB Provider for Oracle

I am trying to Export Data from SQL Server to Oracle using the "Microsoft OLEDB Provider for Oracle". I am using "Export Data..." option from Task menu. I get to connect to the source database (SQL ...
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1answer
300 views

Error while opening Oracle 11g Database

I have a problem with oracle 11g database, I have shutdown my computer this morning normally, but in the evening when I tried to connect to my database I fond a problem. I cannot connect as normal ...
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0answers
165 views

Replicating Excel's CHIDIST function in Oracle 11g

I'm attempting to replicate the functionality of an Excel workbook in Oracle. One of the formulae on the worksheet uses CHIDIST, which "Returns the one-tailed probability of the chi-squared ...
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1answer
839 views

Call pl/sql function and discard result

I'm calling a function from pl/sql, but I do not require the result in this case. Is there a cleaner way to call this function without using a dummy variable? Works: junk := performWork(); Does ...
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0answers
3k views

Oracle 11gR2 DBCA installation failing with TNS Lost contact

I am getting below errors while running DBCA with silent install using response file ORA-12547: TNS:lost contact PRCR-1079 : Failed to start resource ora.ocl.db It's a fresh installation and not ...
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0answers
685 views

How to clone a database from one environment to a database on another environment?

OS: RHEL DB: Oracle 11g version 11.1.0.7.0 I am trying to clone a database on one environment (environment A) to another database on a separate environment (Environment B). Environment B's database ...
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0answers
427 views

DBA_SCHEDULER_Job is not giving any result

I have created one procedure that is supposed to trigger on 5th date of every month.for that i have used dba scheduler job.but its not triggering. select job_name,status from dba_scheduler_jobs; ...
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1answer
415 views

How do you correct a corrupted index in Oracle? [duplicate]

I have this ORA error in our logs: Caused by: java.sql.BatchUpdateException: ORA-01578: ORACLE data block corrupted (file # 8, block # 22921) ORA-01110: data file 8: '/data/app/oracle/oradata/MYSRVR/...
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0answers
754 views

Error PLS-00436: implementation restriction: cannot reference fields of BULK In-BIND table of records

i've problem here. i wanna create a Stored procedure like below, but i encountered error PLS-00436: implementation restriction: cannot reference fields of BULK In-BIND table of records. create or ...
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2answers
3k 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 ...
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0answers
212 views

How can we hide our procedures in Oracle?

How can we hide our procedures in Oracle? Is there any other way except Wrap utility?
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0answers
946 views

DBA group in Linux

When we need to install Oracle database in Linux then the user should be in dba group. What is this group and why the user should be in this group for installing Oracle database. What happens if the ...
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0answers
75 views

Troubleshoot abnormal connections

We experienced extreme slowness of login on 6 Mar in 1 of our Oracle servers (Solaris 10) running Oracle DB. During that period of time, our firewall had detected and dropped many TCP connections (...
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1answer
563 views

A stored procedure to bulk load in Postgres or Oracle given a URL [closed]

Is there a stored procedure available in Postgres or Oracle that does a bulk load given a URL, as in: url_bulkload csvFile.ctl Where csvFile.ctl is # # csvFile.ctl -- Control file to load CSV ...
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1answer
6k views

Import data from Oracle to SQL Server [duplicate]

I have an Oracle database in a remote server. I want to import data from it to SQL Server on a local machine using a stored procedure or job shedule but I don't know how can I do it.
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0answers
279 views

TimesTen performance as compared to 10g

I am new here, so please be nice... I have a question regarding TimesTen & Oracle. I have attempted an experiment with both pieces of software, and realize that the query speed on a table is ...
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0answers
70 views

Database too slow after CHARSET Conversion [closed]

I have an Oracle database which runs on version 9.0.1 with WE8859P1 charset and i'm trying to migrate it to the version 9.2i which has the WE8MSWIN1252 charset. The conversion is made without any ...
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0answers
1k views

How to display Oracle Enterprise Manager 11g (OEM) alerts and reports in Nagios?

I am working on a project that requires an unobtrusive integration of OEM data into a Nagios front-end. I know there are ways to use SNMP traps to do this, but I am not completely familiar with how ...
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0answers
348 views

implementing DAC and MAC in Oracle

I want an example that might help me implement a dynamics modes of an access mode model. From from page 58 of Secured Database Application Development: Static Access Modes are: use 1 ...
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0answers
548 views

Understanding the time difference between data grid initial display and export/full display using Toad for Oracle

I am trying to run a query on a local Oracle DB and output the results to a .CSV file. The query runs in a decent amount of time (usually less than 5 minutes), but returns tens of thousands (possibly ...
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0answers
189 views

Materialized view for a yet-to-be-defined DBlink

In our product we have a main application with an oracle 11g DB and an optional module with another DB. We want the two to communicate through a dblink and I was told to put some code for the ...
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0answers
4k views

12154 error when using PL/SQL Developer

I have installed a few versions of Oracle on my machine. I have tried 64 bit and 32 bit versions. I have installed 11G. I need Oracle 10G 32 bit. Using the following guide I removed all versions of ...
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votes
1answer
865 views

oracle clob export/import across non linked instances

I'm trying to migrate table data across two instances(different instance schemas, but same table schema) that are not connected(not an option). The problem is that I can not access host file systems ...
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0answers
96 views

SYS_CONTEXT INSTANCE changing on failover?

When using Oracle RAC with either Fast Connection Failover or TAF (Transparent Application Failover), for a given database connection, is SYS_CONTEXT('USERENV', 'INSTANCE') going to change when there'...
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votes
1answer
326 views

What structure is used for storing CONTEXT, CTXCAT and CTXRULE Oracle text indexes?

AFAIK there are three major structure types used for storing Oracle index data: B-tree, R-tree and Bitmap. All indexes use one of these structures. However, not sure about CONTEXT, CTXCAT and CTXRULE ...
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0answers
50 views

Oracle User Profile for REST API

What sort of profile would you recommend for an Oracle user that is manifested through a RESTful API; particularly where there will be a lot of asynchronous requests? So we're talking about a ...
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0answers
2k views

Oracle GoldenGate - adding trandata

ADD TRANDATA <table name> will add the supplemental logging to all columns of table if the table does not have either primary key or a unique key. Once we applied the ADD TRANDATA how do we ...
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0answers
1k views

RMAN Error ( 00601, 03004) [closed]

Please help on this RMAN error: RMAN> backup database plus archivelog; Starting backup at 08-MAY-12 current log archived allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=297 devtype=DISK ...
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0answers
42 views

Resource to learn writing most efficient and highly optimized sql queries [duplicate]

Possible Duplicate: Learning to Optimize SQL Queries and Understand Execution Plans - Resources? Can some one point me to a great book/great books or some really solid reference/references in ...
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0answers
988 views

ora-07202 when creating standby database

I am pretty new to Oracle database, and I am trying to set up a high availability between two PCs. The first PC runs Windows server 2008 R2, and the second is on Fedora. As far as I have read, with ...
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0answers
60 views

Enumerate open oracle connections

How can I troubleshoot which processes are keeping connections open? Background: A QA installation of several software components is generating an ORA-12516 error now and then, and I'm not sure which ...