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) ...

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What means Buffer Pool/Hit Ratio(%) in Oracle Counter?

I found the buffer pool hit ratio percentage at Oracle database metrics / Oracle Counter. I want to know about this buffer pool detail. Kindly answer to me.
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4 views

Toad 9.7.2 for Oracle hangs on Windows 7

I am using Toad 9.7.2 on Windows 7 64 bit. It is generally working fine but there is one problem. When I click on certain tables in "Schema Browser" and then click on "Data" tab to see records in ...
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3 views

parsing and purpose of oracle audit (.aud) logs

I am looking at the oracle audit logs and am trying to understand and parse. The format appears to be consistent: Date Length: Action: ...etc My questions are: 1) what generates these? Is it ...
1
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3answers
987 views

Remove ORA-01100:DATABASE ALREADY MOUNTED

I am using Oracle 11g and there is a database create during installation name "xyz" and user "xyz".Now i created a user 'abc' and gave following permission to abc. "CREATE SESSION, ALTER SESSION, ...
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1answer
263 views

Cannot remotely connect to oracle express

I have installed Oracle Express in a oracle-6.5-x64 virtual machine (let's called it host). The installation went fine, I am able to connect and run commands using SQLPlus from the host. Now I'm ...
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1answer
73 views

How to perform same DML statements on two different servers (Oracle and SQL-Server) simultaneously

I have two servers, Oracle and SQL-Server. I have same database on both the servers. I want to perform DML (insert,update,delete). How can I perform same DML statements on both the servers ...
0
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1answer
14 views

parsing and purpose of oracle audit (.aud) logs

I am looking at the oracle audit logs and am trying to understand and parse. The format appears to be consistent: Date Length: Action: ...etc My questions are: 1) what generates these? Is it every ...
1
vote
1answer
297 views

Internal query on CDEF$ and CON$ very CPU bound

I am checking an application (Infor ERP LN) that loads a lot of data into an oracle 10.2 database. While checking one of the user sessions with SQL_TRACE and its output with tkprof, I found that the ...
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0answers
22 views

Optimise query: find items that are geographically touching, but without association

I have a very specific problem, I am not entirely sure if this is the right place to ask this question. From our client we get data submitted to us, and to verify the quality of that data, we run a ...
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34 views
+50

Why does dmbs_xmlgen.convert only decode some entities?

I'm trying to decode html containing html entities. For example: SET ESCAPE ON; SELECT dbms_xmlgen.convert('\♥', 1) AS hearts, dbms_xmlgen.convert('\&', 1) AS amp_ent, ...
2
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1answer
449 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 ...
2
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1answer
22 views

Possible RMAN orphan files in backup directory

I am trying to scrape together some space in my Oracle 11g backup directory in AIX. I have deleted obsolete files using RMAN's "DELETE OBSOLETE" command, but I see many (just under 200) files dated ...
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1answer
30 views

Can install a test machine with Oracle 11G R2, not express edition, on a VirtualBox?

Im starting like a Oracle DBA, and I want play with the database and your administration task in a test enviroment. I have a macbook pro i5, and had thought install on it oracle under virtual box ...
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1answer
11 views

XMLTABLE solution without getting right parenthesis missing error

I am trying to select from an XML type and produce multiple rows. Have searched for my specific scenario/issue with not much success. Environment: Oracle 12c. I have commented out the offending code. ...
1
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1answer
22 views

Transferring full database to another machine oracle 10.2 xe

We are having oracle 10.2 xe working on windows xp sp3(32bit). We need cloning/copying full database to windows server2008r2 machine(64bit). Any help.
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1answer
19 views

ORA-01830 Error for 11.2.0 client but not for 10.2 client

I have this piece of code: BEGIN DBMS_SCHEDULER.DROP_JOB ( job_name => 'LOANSBUILD.LOANSNEWYORKCLOSE'); END; / BEGIN DBMS_SCHEDULER.CREATE_JOB ( job_name => ...
1
vote
1answer
28 views

can't backup 11.2.0.2 database after catalog upgrade to 11.2.0.4

(main question is 4th) 1. We today have almost all databases running with Oracle 11.2.0.2. Actually we have an RMAN database created (in 11.2.0.2) and a Catalog with user (called RMAN112) 2. We are ...
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2answers
4k views

TNS-12535: TNS:operation timeout

I have Windows Server 2008 R2 with Oracle Client 11.1.0.7.0 client installed. TNSPing to 100% available databases (accessible from other machines, i.e. I can do TNS ping to these databases from other ...
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1answer
81 views

ORA-00838 error after increasing MEMORY_TARGET

I've increased MEMORY_TARGET in pfile and then create spfile. I'm getting the same problem as before: ORA-00838: Specified value of MEMORY_TARGET is too small, needs to be at least 3084M The ...
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1answer
16 views

XMLDB - Nodes to Rows

I have an application that stores XML as XMLType in a table. This is the first time I'm using XMLDB and XMLType features, and was wondering if I could use the results from an XQuery FLWOR expression ...
0
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3answers
119 views

How do I tell the actual IOPS used by Oracle?

This is hopefully a simple question. We have a large DB deployment that we need to scale up over the next year. For scaling we have been relying on our vendor, but recent developments have caused us ...
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2answers
40 views

Summarizing Pay Checks Based on Employee's Job Code

What I'm trying to do is summarize an employee's earnings for each job code they worked in for the year. Employees are assigned a job code based on an effective date. I'm trying to line up the job ...
0
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1answer
17 views

MySQL rapid Data Replication from multiple Databases

I am a Freelance Web Developer but not a Database Administrator at all except basic Database Operations like DML etc. Today I got a client asking me to develop a Web based application but there is a ...
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1answer
506 views

Oracle Enterprise Manager - Where do I find the error logs?

I'm not familiar with oracle management. The problem is when I try to connect to the enterprise manager through the Web browser I get this error: In english: "Internal Error has occurred. Check ...
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2answers
127 views

Does Active Data Guard include Golden Gate?

I've been told that Active Data Guard incorporates Golden Gate as part of its technology stack. Is Golden Gate usable directly from the Active Data Guard installation?
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3answers
7k 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 ...
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1answer
19 views

How to retire a physical standby in Oracle 11.2

I have a production Oracle 11gR2 RAC database with a single node physical standby. Now it has become the time to retire the old standby and pass that role to a RAC on fresher hardware. We don't use ...
1
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3answers
20 views

Allowing users to compile / run PLSQL and SQL

As a DBA - assuming my users are knowledgeable with PLSQL and SQL - why would I not grant my users privileges to compile and run their own PLSQL code. We have an MI database environment where the data ...
0
votes
2answers
140 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 ...
2
votes
1answer
118 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 ...
0
votes
1answer
30 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 ...
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2answers
383 views

oracle sqlplus as sysdba startup error

Oracle 11g, PC: 32G,8 thread cpu. now three oracle instances has been running. but. sqlplus "/as sysdba" prompt connect to an empty instance. when I do startup command, come an error: ...
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1answer
23 views

Is there any way to use “like” operator during oracle table partitioning

I am using Oracle 11g database and I have 45 million records. I want to partition the table, but if it's possible for partitioning to support the like operator then it will be much helpful for me. In ...
1
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0answers
31 views

Allowing users access to SQLPLUS and to compile PLSQL [duplicate]

As a DBA - assuming my users are knowledgeable with PLSQL and SQL - why would I not grant my users privileges to compile and run their own PLSQL code. We have an MI database environment where the data ...
1
vote
0answers
19 views

How to replace empty, multi-column result with single 'none'

If it is possible to make query in Oracle which will return single column/row with value "none" instead of empty, multi-column result? Otherwise return proper amount of columns with result. This is ...
1
vote
2answers
3k views

Trouble setting up Nagios to monitor Oracle services

I've got an install of Nagios XI that doesn't seem to want to talk to any of my Oracle services here. I've pulled out the monitoring command and am running it manually, after setting ORACLE_HOME and ...
0
votes
1answer
477 views

Oracle Enterprise Manager Installation

First I install oracle 11g database with this configuration Step 2 of 9 I selected Create and configure a database Step 3 of 9 I selected Desktop Class Step 4 of 8 Global database name: Blitz ...
1
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2answers
2k 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
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1answer
50 views

Expdp with metadata_only gives way too large dump. Why?

There is an oracle 11g schema with amount of data about 700 Gb. There are tables/indexes only in that schema, no procedures/packages. Doing expdp on that schema expdp schemas=TheSchema directory=dir ...
3
votes
3answers
37 views

How to raise_application_error beyond a when others clause

Background: I've used a few Oracle articles to develop an error package, with some procedures. One of these is Log_And_Return which is called throughout the database. I've simplified it for brevity, ...
0
votes
1answer
403 views

Export, based on query, into INSERT text file

I need to export some data into a file. The data are selected with a query that will often be made of multiple joins. I want the import operation to be as easy as possible. I was thinking of building ...
0
votes
1answer
125 views

Save and restore specific tables

in an Oracle 11.2 Database, Enterprise Edition, we are running calculations divided into 3 different "modules". These modules can be started on their own, but not parallel, so in between users are ...
0
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0answers
55 views

Query that can pick up data that falls between rows having unique parameter [closed]

Suppose a table has data in the following format: Id Name ----------- Main Abc Check Def Check Ghi Main Jkl Check Mno Check ...
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3answers
40 views

Upgrading Oracle from 11.1.0.6 to 11.2.0.2 on Linux Red Hat

I am trying to upgrade the Oracle db from 11.1.0.6 to 11.2.0.4 in Red Hat Linux 5.3. The current database is installed on location. I checked the path using command cat /etc/oratab ...
0
votes
0answers
27 views

PL/SQL IDE like C++ compilers [closed]

Are there IDEs out there like Codeblocks that can help debug syntax errors in PL/SQL scripts? I am currently using Oracle XE and trying to create a PL/SQL script.
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2answers
2k views

Database creation on Linux with dbca: “command not found”

I have installed an Oracle on my machine. When I open a session with VNCServer and type dbca, either as root or as oracle, I get these errors: -bash : -dbca : Command Not found Xlib: connection to ...
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votes
0answers
28 views

how to open 'sql*plus' in the oracle terminal [closed]

how to open 'sql*plus' and 'oracle developers' in oracle enterprise manager cloud 12c.ova in vbox? i dont have much knowledge in the linux just basics. how to open sql pus through terminal or any ...
0
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1answer
33 views

Linking Oracle 10g XE with SQL server using ODBC

I am connecting Oracle 10 XE with an SQL server 2008 using ODBC in windows 7. I have successfully done following steps: Configured ODBC and test it, runs ok! Configured listener in tnsnames.ora and ...
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0answers
24 views

Database status unknown error when will it occurs and reasons? [closed]

database status unknown when will it happens and what are the particular reasons of this status? how to rectify the db status unknown?
7
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2answers
4k views

ORDER BY using custom priorities for text columns

This is a sample table: name | cat ---------- hugo | sal bob | mgr mike | dev jeff | mgr john | dev Both name and cat being Varchar. cat reflects a category for these names, but I like to assign ...