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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How to ensure on Oracle RAC One Node that the OWB control service is started on the active node after a planned relocate or unexpected fail-over? [closed]

I followed the document 'How To Install a Warehouse Builder 11g Repository on a RAC' (Doc ID 1571166.1) to set up the OWB repository (11.2.0.4) on my Oracle RAC One Node system. Because it's a RAC One ...
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1answer
2k views

Duplicate database for standby returns error ORA-19625: error identifying file /home/oracle/stdbyctrl.ctl

I'm working on creating duplication scripts for standby purposes. and it's constantly failing even though the backups are located in the exact same folder. DB structure is identical and spfile is ...
1
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1answer
116 views

Oracle RAC concept

This might be a dump question, but I've been reading so much different things, that I'm not sure anymore. I tried to understand the concept of the Oracle RAC, so I've been reading the datasheet form ...
0
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1answer
624 views

Oracle installation fails due to ORA-00443

I hope that you help me to resolve my problem. I'm trying to install Oracle 11g on RHEL 6. All prerequisites are ok, but I'm getting such error during step "Creating and starting Oracle instance". The ...
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2answers
175 views

Difference Between SELECT and select in oracle sql

The algorithm used to find SQL in the library cache is based on the ASCII values of the characters that make up the statement. Means The SELECT instead of select statement will be parsed again ...
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2answers
569 views

Dynamic permissions

I have a application that creates tables in one user's schema and another user needs to be able to use the dynamically created tables. Example: Application creates User1.RandomTable User2 needs ...
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1answer
132 views

Java-Hibernate-Oracle: Can a fluctuating DB connection duplicate insert statement?

  Is it possible that a fluctuating DB connection causes insert statement to execute multiple times? Thanks
3
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1answer
2k views

Is it possible to use 'restore UNTIL SCN' with rman and Oracle 9i in NOCATALOG mode?

I'm trying to do a hot backup with rman that I can copy to a USB drive so I can recover it on a new server. The backup was done two days ago and the restore database command was working on the same ...
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2answers
5k views

Oracle 11g: “With Clause” very slow

I have written a query utilizing Oracle's with clause. I have identified one particular with clause in a larger query to be really, really slow. Here are three versions of the same query, they all ...
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2answers
41 views

Aggregating on a repeated group

In a current report, I'm trying to track the migration of a person from department n, to n+1, or to n+k. My data is split into a row per term (university data). An example: dept | term ...
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2answers
275 views

Update row where associated row does not exist

Given the table named ROLE: role_id[PK] NUMBER role_name VARCHAR2 Using only SQL (no PL/SQL) how would I write a MERGE (or UPDATE?) statement that would update the role_name as below, but only ...
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2answers
3k views

Oracle 11g R2 - same query sometimes fast, sometimes slow

I have a simple update query on a table with about 100 rows in it: UPDATE RESULTS_DATA SET IMAGE_BLOB=:myBlob WHERE MEASUREMENT_INDEX=:mIndex AND BATCH_ID=:batchId AND SYSTEM_ID=:sysId ...
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1answer
37 views

Output another word instead of the word in the table in a query

Suppose I have a table where I have a field which can have to values: "enabled" and "disabled". Suppose want my query to output "unblocked" instead of "enabled" and "blocked" instead of "disabled". ...
3
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2answers
5k views

How to move the ownership/copy a table from one user to another?

I've been tasked with doing some tidying of our database. I'm not a DBA expert so here I am. (We don't have a DBA expert either). We have a user Old_User and another user New_User. Old_User owns a ...
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2answers
404 views

Oracle 11.2 using too few memory

it is about one year that I have changed my server from Oracle 10g to 11.2g (and also changed the hardware and Windows from 2003R2 to 2012). The problem is that with more than doubled cpu power, ...
2
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1answer
167 views

Why is this second query more expensive than the first?

While reading Graph Databases book, I came across this excerpt: I can't figure out why the second query is more expensive than the first. Indeed, both filter on the Bob person. May anyone ...
0
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1answer
818 views

Oracle average active sessions high threshold

I am trying make sense of the DB load from the AWR report for a period handed over to me by DBA. Researching a bit, I see the "Average active sessions" is a metric widely used to measure DB load. It ...
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1answer
100 views

Table statistics on database

Is there any way that I could find how many tables has statistics on them,and how many tables which doesn't have statistics on them.
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1answer
662 views

Pass the unix variable to the ddl command inside a pl/sql block

I would like to create a db link dynamically, using the input given in the unix session. i.e. the remote db name and db instance would be given by the user, in unix, which are VAR1 and VAR2. Now, from ...
2
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2answers
69 views

Is there a good way to select a row where the key represents the lower bound of a range?

I am designing some tables and a number of the tables have as the key a lower and upper bound which never overlap. I want to query by a value that can fall withing any of those ranges. If I keep both ...
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3answers
952 views

Full table scan even after adding index

i have two tables in Oracle 11g server one is partitioned and another is having a 3GB of data. I've added a composite index on both the tables based on the where clause, in the order it appears. The ...
0
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1answer
64 views

What is a construct in Oracle?

I'm currently studying Oracle Architecture and Database Memory Structures. I'm a newbie in the subject and I just read that a "Shared Pool" is "a data structure that caches various constructs that can ...
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1answer
330 views

Can I install MySql and Oracle 10g both Databases in same machine? [closed]

I have MySql Installed in my windows 7 machine and PHP on IIS. Now i need Oracle 10g anyway.I'm having king of dilemma to install Oracle 10g. If i can do so please suggest necessary steps and ...
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1answer
76 views

how do i configure Oracle Net Listener on a server with two network connections

I have a server that i have virtualized and as such it has two network connections, one to simulate a network between several virtual machines and the other to connect to the host physical network. ...
0
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0answers
66 views

Oracle right outer join SELECT statement with a table

I am trying to find out the tables that are in MONITORING.USAGE_TRACKING table in first place, along with the other tables that need to be analyzed. SELECT A.JOB_NAME, A.START_DATE from ...
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1answer
56k views

How to transfer data using expdp and impdp commands?

I'm Oracle noob, and my intention is to transfer all data and metadata from one schema to another schema within an Oracle database. I'm planning to use datapump expdp and impdp commands. I have ...
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0answers
5k views

How to fix error ORA-00322: log is not current copy

I have to submit my project a day after tomorrow. My project is ready but I am having above mentioned error while connecting to Oracle database. I tried the following solution: Enter user-name: sys ...
0
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1answer
69 views

Oracle: Replace corrupted first datafile

A datafile associated with a tablespace has been corrupted (got truncated to size 0). I don't mind losing the data, because I have a full DB dump which I can import. Now I want to replace this ...
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2answers
104 views

check constraint where values must be a table name

Is there a way to write a check constraint such that values in a column are limited to table names currently in the schema? It appears subqueries are not allowed (ORA-02251), but logically I am ...
1
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1answer
533 views

Connecting to Oracle Database with ODBC/Python

We've recently installed a new piece of software that uses an Oracle Database to store the data. My goal is to connect to that database and pull the data from the back end to do analysis on. I'm ...
4
votes
1answer
540 views

Negative number of rows inserted

I just ran a rather simple INSERT statement (that I think processed a lot of rows), and I got the message: -1,311,750,183 rows inserted Should I be concerned about the fact that it's negative?
1
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1answer
178 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 ...
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2answers
2k 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 ...
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0answers
69 views

How best to export from Oracle Ent Ed (EE) to Oracle Express Edition (XE)?

I am aware that Oracle Ent Ed (EE) has more functionality than Oracle Express Ed (XE). But I would like to do a FULL export from EE to XE. Is this even possible? The only solution I can assume will ...
1
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1answer
357 views

Oracle 11G R2 install using separate instances or multiple schemas in a single instance

I am in the middle of a server upgrade, and have finally come to the conclusion that I need a very important question answered. I would like to inform everyone that I am a novice to Oracle ...
2
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2answers
3k views

How to connect to Oracle 11g using “Navicat for Oracle”?

My Oracle 11g Enterprise Manager runs like this: I have taken the following screen-shot after my Oracle installation has been completed: I have the following Oracle-related services running: ...
0
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1answer
43 views

Need DDL for an Oracle Table that would be 1 row = 1 8K Block

For performance testing in our performance environment we want a means to turn over SGA the way production does. Our performance environment is a fraction of production and production's very nature ...
0
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2answers
302 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 ...
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2answers
58 views

Oracle conditional statements

I am making a report, and I am trying to do following: If the value of the field is NULL, output empty string. Another words, I don't need the word "null" to be output to the user, just empty string. ...
2
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3answers
2k views

What's the most efficient UUID column type

For storing a 128 bits UUID there are multiple storage options: a byte[16] column two bigint/long(64 bits) columns a CHAR(36) column - 32 hex digits + 4 dashes. a UUID database specific column, if ...
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1answer
4k views

How i can solve “ORA-03113” error when i startup oracle 11G database?

I have followed the link and others link from this site to solve my problem but I still have not solved the problem. All I get is the following: Microsoft Windows [Version 6.1.7601] Copyright (c) ...
0
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1answer
33 views

What is the “other miscellaneous information” in the Shared Global Area (oracle database)?

I'm studying Oracle database ,and it says here that the SGA contains these data structures : Database buffer cache Redo log buffer Shared pool Java pool Large pool (optional) Data dictionary cache ...
1
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1answer
2k views

SQLNET.ALLOWED_LOGON_VERSION=12 and JDBC thin client

To fix password security issues we need to set SQLNET.ALLOWED_LOGON_VERSION=12. According to the Oracle Database Net Services Reference: Note the following implications of setting the value to ...
0
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1answer
1k views

Oracle Enterprise Manage “CPU utilization” is confusing

When I display the CPU utilization in the Enterprise Manager (in the Performance tab), there is a big discrepancy between the graph that shows the utilization and the table that shows the operating ...
0
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0answers
8k views

ORA-12518: TNS:listener could not hand off client connection ORACLE XE 11.2 x64

Im starting to be very very frustrated by this Oracle. So, I have installed Oracle XE 11.2 64 bit and ODAC121012_x64. I can start listener, I can do tnsping xe, but when I try to connect as via ...
1
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1answer
260 views

Oracle dump to csv an keep NULL as empty string

I have the following sql file: SET COLSEP ';' SET ECHO OFF SET FEEDBACK OFF SET TERMOUT OFF SET PAGESIZE 32766 -- Maximum number we can set. -- i.e there will be duplication of ...
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0answers
191 views

Trying to run a shell script from dbms_scheduler . Throws error no matter what the script is?

I am trying to run a shell script from a dbms_scheduler but am getting a bunch of errors :- the job defn :- BEGIN DBMS_SCHEDULER.CREATE_JOB ( job_name => 'test_prog', ...
2
votes
1answer
4k views

Using Oracle12C Client with Oracle11.g database

I have been using Oracle12c client to connect to an Oracle11g database in a remote server for about one month, it wasn't giving me any problems until this week, when I started getting the error: ...
0
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1answer
54 views

Using oracle easy connect does it really connect to the remote DB?

I tried connecting to remote host db using : sqlplus abc/abc@hostname1:1000/ABC And tried printing !hostname it still shows me local hostname from which I am running and not HOSTNAME1. So if ...
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1answer
716 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 ...