1
vote
1answer
24 views

On reboot listeners don't start but restarting the service after will start them

when I reboot ubuntu the listener service comes up but it doesn't seem to have any listeners lsnrctl status LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 24-JUL-2014 15:34:43 Copyright (c) ...
3
votes
3answers
169 views

Nested table as condition prevents using index

The following query joining a subquery does a TABLE ACCESS FULL when the master-table uses nested table as condition. When the condition is a simple =, the same query does an INDEX RANGE SCAN as ...
0
votes
0answers
24 views

Oracle service names with a minus sign (?)

Are there any reasons not to use minus signs/dashes/hyphens in Oracle service names? DBMS_SERVICE, tnsping and sqlplus seem to be fine, but the documentation says no. We are switching from Oracle ...
1
vote
3answers
56 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, ...
0
votes
1answer
26 views

Oracle 11g not allowing to connect to. Error ORA-01122: database file 1 failed verification check

I am running Oracle 11g on Windows 7 Enterprise SP2 16 GB RAM, 1 TB HD. I can connect to Oracle using SQL Plus (see below), C:>sqlplus sys/xxxxxxxxx@XE as sysdba SQL*Plus: Release 11.2.0.1.0 ...
0
votes
1answer
40 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 ...
0
votes
1answer
71 views

ORA-00227: corrupt block detected in control file

I am getting the following error while starting the sqlplus (I am using Oracle XE 11.2.0) ORA-01033: ORACLE initialization or shutdown in progress Process ID: 0 Session ID: 0 Serial number: 0 So, I ...
0
votes
2answers
37 views

BASH: DBCA: command not found

When I use dbca command as Oracle 11g user I have the following error message: BASH: DBCA: command not found and when I checked the bash profile I found the following: # .bash_profile # Get ...
1
vote
1answer
35 views

Oracle Patching & Database Upgrade - Which Order

I have an Oracle instance running 11.2.0.2.0: SQL> select * from v$version; BANNER -------------------------------------------------------------------------------- Oracle Database 11g Release ...
-1
votes
0answers
34 views

optimizing query and identifying the problem

i have a query which takes 2 mins to exceute in qa environmnet and the same query takes 10 mins in test environment. in qa environmnet Code: Elapsed: 00:00:02.86 Execution Plan ...
0
votes
2answers
80 views

Not able to connect to non-default oracle database after reboot

I have installed Oracle 11g r2 on Centos. On initial setup it installed database named INFA for me.I setup listener.ora and tnsnames.ora for INFA and on reboots all I had to do was run lsnrctl start ...
0
votes
0answers
42 views

ORA-02070: database does not support antijoin in this context

I don't think this is even a question, but in case someone has seen something like this before or has any thoughts besides 'file a bug with Oracle' (which I'm doing), I'd love to hear it. create ...
-1
votes
1answer
58 views

Oracle Partition Table Space Issue

I have a table with list partitions on it. When i insert data i see that all the partitions have default initial size of 8 MB and I also noticed that when i truncate full table and check size it still ...
0
votes
1answer
48 views

Connecting to SQL Server using Oracle SQL Developer

I am using oracle sql developer to manage my oracle database. I recently added third party database jdbc drivers to be able to connect to my new MySQL and SQL Server installations. I need help with ...
0
votes
0answers
202 views

IO Error: The Network Adapter could not establish the connection - with Oracle 11gR2. Connecting with SQL developer

I have installed Oracle 11g ON a RedHat6 linux instance, by following all the steps mentioned in "http://technologylair.net/2013/08/oracle-11g-installation-linux/#comment-50" I am trying to connect to ...
0
votes
1answer
44 views

General question on dbms_stats

General question on dbms_stats and auto sample size? what is the impact of having IOTs with overflows and you switch to auto_sample_size and enable approximate NDV . How does it impact?
0
votes
2answers
163 views

What is the difference between Schema and Database in Oracle?

In oracle, Datafile are system files where actual data is stored.The collection to datafile make Tablespace and atlast database is collection of tablespaces Correct me if I am wrong on the concepts ...
2
votes
2answers
103 views

Why can't I drop this Oracle datafile - even though it seems empty?

This system is Oracle 11.2.0.3.0, using ASM. We had an issue where there seemed to be a corruption issue of some kind - every time a row tried to get inserted into the table, we'd get the following: ...
0
votes
0answers
49 views

Archive Logs not applied on Primary Database

I have a oracle database and some archive logs in the primary database have not been applied. When I run SELECT THREAD#, SEQUENCE#, APPLIED FROM V$ARCHIVED_LOG order by SEQUENCE# I get the following ...
0
votes
0answers
44 views

INDEX SKIP SCAN performance on Index where first columns only contain 1 value

We're running an Oracle 11.2.0.3 database and have a table with above 10 columns in it. There is a non-unique index over all these columns. For simplicity in this example, lets assume the columns are ...
1
vote
1answer
60 views

Object changed during datapump

If some object is being changed when data pump is run how will that object go into datapump file?
0
votes
1answer
309 views

ora 20001 error in oracle dbms scheduler

i have written a test job like begin DBMS_SCHEDULER.CREATE_JOB ( job_name => 'test_job' ,job_type =>'plsql_block' ,job_action => 'null' ,enabled => true ); end; / after a while when ...
2
votes
1answer
99 views

ORA-00922 encountered in Oracle 11gR2 installer

I've just run the installer for Oracle 11gR2 on a Windows Server 2008 (64-bit) OS. I encountered the "ORA-00922: missing or invalid option" error at the last stage of installation when it was doing ...
0
votes
1answer
61 views

FAST REFRESH ON COMMIT on Materialized view

I am trying to implement a materialized view which would Fast refresh on commit. I have created materialized view logs on base table as well but i am faced with the following error. ORA-12052: cannot ...
2
votes
0answers
76 views

Why OEM RMAN backup jobs fail after changing the preferred credentials?

In an Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production, Running on Oracle Linux 6.5, we configured full RMAN backup schedule using OEM (Oracle Enterprise Manager 11g ...
0
votes
1answer
34 views

SYSDBA privileges of viewing users table

Is there anyway which would restrict sysdba from watching the users tables. It sounds ridiculous but we sort of need this functionality. We only want sysdba to act as administrator only, no peeping ...
0
votes
0answers
39 views

Running materialized view refresh in parallel

I have a large materialized view that is refreshed periodically (complete refresh) and I would like to do it in parallel. I can already run the query part in parallel but the problem is (much slower) ...
0
votes
0answers
242 views

Uninstalling Oracle Database Products: Which & How to?

Long time reader, first time poster. For our client's project we are using Oracle 11g. It's a simple C# web application so we are using Oracle's most basic components. Now my project team has been ...
0
votes
0answers
51 views

Impdp over DB_LINK failing with ORA-31631

I am getting below error message while trying to execute impdp between our SIT and UAT environments: ORA-31631: privileges are required ORA-39149: cannot link privileged user to non-privileged user ...
1
vote
0answers
37 views

plsql procedure gets invalidated

procedure involving dblinks gets invalidated regularly .we need to recompile every time.How to find what is causing the problem in my case procedure p1()--resides in db1 is begin .... select col1 ...
5
votes
1answer
86 views

Why does the CBO not chose a lower cost skip scan without stats?

In the script below, the CBO chooses an INDEX FAST FULL SCAN over an INDEX SKIP SCAN (this is illustrated by the queries with the UNION ALL but you can demonstrate it is true with just explain plan ...
1
vote
1answer
159 views

First query running in PL/SQL Developer results the error

When I run first query in PL/SQL Developer I got the error: Dynamic Performance Tables not accessible, Automatic Statistics disabled for this session You can disable statistics in the preference ...
0
votes
2answers
55 views

How can I limit a hierarchical query to the point where there are multiple children?

This question is related to my previous question about hierarchical queries. I have a hierarchical query in Oracle 11gR2 that returns something like this: - Level 1 - Level 2 - Level 3 - ...
2
votes
2answers
202 views

How can I select rows from a hierarchical query with the lowest level?

I have a hierarchical query in Oracle 11gR2 that returns something like this: Parent (Level 1) Child (Level 2) Grandchild (Level 3) Child (Level 2) Grandchild (Level 3) Grandchild (Level 3) ...
2
votes
2answers
81 views

SQL query for next occurrence of specific date

I am working on a function for our database that contains contract data. Each contract expires on a certain date, and then each contract has an expiration type that determines what happens after that ...
0
votes
0answers
30 views

Where can I download jvm files for oracle on ubuntu

I want to install Java packages for oracle, and I found following files in the internet. @?/javavm/install/initjvm.sql; @?/xdk/admin/initxml.sql; @?/xdk/admin/xmlja.sql; @?/rdbms/admin/catjava.sql; ...
1
vote
1answer
183 views

Oracle Automatic Memory Management - SGA_MAX_SIZE

When using Automatic Memory Management, what value should SGA_MAX_SIZE be? Should it be 0? These are my current settings, and I'm unsure whether to leave SGA_MAX_SIZE or set it to 0. ...
0
votes
0answers
25 views

How to make a role from schema A “grantable” in schema B

There are two schemas in the same database: A and B. Schema A has a role A_ROLE. I want to be able to give grants to A_ROLE from schema B ( so that the users with A_ROLE were able to query tables from ...
0
votes
2answers
282 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
votes
1answer
633 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 ...
0
votes
0answers
31 views

Oracle edition-based redefinition

I have difficulty purging prior editions that clutter up my system: we deploy new code every 2 weeks, hence a new edition every time: ORA$BASE --> v37 --> v38, for example. I actualized all ...
1
vote
1answer
48 views

Does hard-coding schema names in procedure calls for Oracle jobs have any performance impact?

A database application I'm working with uses Oracle scheduled jobs to perform certain tasks. The DBA insists that hard-coding the schema name in the procedures that organise these jobs improves ...
0
votes
1answer
63 views

Striping IO with datafiles on different physical mounts

I have a server with three directly attached disk controllers. Each of these can provide internal redundancy and IO-striping accross disks, but I'm wondering what is the best way to configure the ...
0
votes
0answers
20 views

are temporal relationships a good candidate for Oracle cubes?

We have a requirement in our database to represent various "temporal" relationships in our data. A simple example would be an event table where I want to know how many days prior to the event date ...
1
vote
2answers
153 views

Oracle becomes too slow after system crash [closed]

I am using Oracle 11.2 as a database for my application. For this purpose I should import my data (around 100m records) to this database. For this purpose I used SQL Developer. Unfortunately at the ...
0
votes
1answer
73 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 ...
1
vote
0answers
43 views

Multiple handler entries in lsnrctl services output

This what I get for an lsnrctl services. LSNRCTL for 64-bit Windows: Version 11.2.0.1.0 - Production on 04-APR-2014 10:01:43 Copyright (c) 1991, 2010, Oracle. All rights reserved. Connecting to ...
0
votes
0answers
24 views

how do we specify an oracle edition in a database link?

We are connecting using a DB link from one oracle database (a) to another (b), and b has oracle editions enabled. How do we specify an edition to be used when viewing the tables / views in database ...
1
vote
2answers
61 views

Oracle result cache behaviour

Oracle by default caching the query results and function results(Buffer cache). I have noticed this with AutoTrace utility, where the physical reads are huge on first execution, but from next ...
0
votes
2answers
51 views

Hide zero hours and minutes with NLS_DATE_FORMAT

I'm currently using date format: alter session set nls_date_format = 'DD.MM.YYYY HH24:MI'; The (cosmetic) problem is that this always displays time even if it's zero, for example: "27.03.2014 ...