Oracle Database 11g Release 2. Please also tag oracle for search purposes.

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Oracle Exadata datafile distribution

I'm new to Oracle and are curies of how Oracle Exadata handles database files. Do you have to assign disk to a database file as you do with Microsoft or is this handled by Exadata?
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38 views

ORA-01122: database file 5 failed verification check

Oracle version: 11g r2 OS: win server 2008 SQL> alter database open; alter database open * ERROR at line 1: ORA-01122: database file 5 failed verification check ORA-01110: ...
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Purging audit records - Oracle

At the end of each financial year, audit team asks for audit records for samples dates in a year as per their methodology and ideally we are supposed to provide them. (Say, give them list of schemas ...
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Record of schema related changes - Oracle

Is it possible to get the all changes that is made to schema as in what privileges was first assigned to the schema on creation, creation date, if later modified with different privilege what was that ...
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1answer
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Redo/Noredo in Oracle

I have an Oracle 11.2.0.3 about 700GB in size running in noarchivelog mode in a pretty slow storage setup. It barely gives IOPS and there is resource crunch in terms of hardware resources. The ...
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1answer
33 views

Oracle Patch Level Differences (Oracle Enterprise Manager and DBA_REGISTRY_HISTORY)

There is a difference in the patch level that I am seeing on my Oracle database. On the Oracle Enterprise Manager, it shows that it is patched up to .7 but on DBA_REGISTRY_HISTORY it does not show any ...
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Does Oracle 11g support CREATE ASSERTION? [closed]

When I tried to write the following statement: CREATE ASSERTION ir_collaboration CHECK(NOT EXISTS( SELECT ngo, id_employee, COUNT(*) FROM collaboration GROUP BY ngo, id_employee HAVING ...
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1answer
32 views

Dataguard parameter changed after DB bounce

I have a production environment of Oracle 11g R2 patchset 4 primary database configured with 2 standby machines. Primary database unique_name is DBIDI 1st standby database unique_name is DBIFI 2nd ...
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Will I have to restore controlfile in RMAN level 1 backupset before recover database?

For example, I have a level 0 and level 1 RMAN backupset files like inr00_0413_* inr01_0413_1_* Is it necessary to do this when recover from RMAN level 1 backup: restore controlfile from ...
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24 views

how to become oracle dba as i am not from it background [duplicate]

hope u r fine & well.i am graduate from 2003 & dont have any IT background ,want to become oracle dba please guide how to start & proceed further. thanks in advance. your advice will be ...
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1answer
58 views

Oracle Min - ORA-00937 not a single-group group function

I try to find companies whose fare has minimum fare of destination which more than one companies use that destination. My command; SQL> select tickets.bus_id bus, tickets.fare fare, ...
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How to convert decimal number to IP address?

I need a function or query to convert a decimal number to ann IP address. Presently my ip_address column looks like this: select ip_address from test_ip; ip_address 173015430 ...
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1answer
83 views

Gap resolution of Logical Standby Database via Archive Log Backups

Due to reasons outside the scope of this question, we had to flashback our Logical Standby Database (at the VM level) to the previous day. So, now i'm trying to resolve gaps in missing archivelogs ...
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1answer
28 views

Updating data from subpartition when the subpartition name is unknown

Thanks to JSapkota who helped me pull the subpartition name as per below query select subobject_name from user_objects where data_object_id IN (select dbms_rowid.rowid_object(rowid) from TABLE ...
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1answer
32 views

Is there a way to find the partition or subpartition name where my ID belongs

I know if I need to select from any partition I need to provide partition name SELECT * FROM TABLE PARTITION(P1); What if I need to know which partition a particular value belongs using a sql query ...
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How could I improve speed of fetch in Oracle?

I've got a table of taxi GPS trajectory records with approx 60 million rows, including date, time, ID, longitude, latitude, speed, bearing etc., which were imported from .csv files with setting each ...
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2answers
26 views

Comparing values from two tables in a nested where clause.

This is a rather specific question. I'm working to create row restrictions in Business Objects and the customer wants records to fall within a certain range from another table. The problem is, you can ...
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1answer
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Error “In a grant or revoke statement, the user attempted to grant a tablespace quota above the upper limit.” when trying to increase user quota

I'm attempting to increase the space quota on a particular schema. I'm using the following query to do so: ALTER USER MY_SCHEMA QUOTA "100 M" ON "USERS"; This results in the following error: SQL ...
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1answer
74 views

Can we expdp using JOINS in QUERY clause

I have a task to export data from database using data pump. I have successfully exported database using subquery in QUERY clause. But I want to know can we expdp using joins in QUERY clause?
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100 views

Can we export Selected Row with Subquery using data pump

I am trying to export selected rowS from my database using SUBQUERY but I got error. expdp directory=exp_data dumpfile=selected_row.dmp logfile=rows.log tables=sample,super query="where name IN ...
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2answers
113 views

Performance improvement by placing tables on a virtual RAM disk

I am trying to improve performance of queries by placing the tables in a virtual RAM DISK. I am using in Oracle 11.2 Standard edition with 4G of SGA and 2G of PGA. I created a Virtual RAM DISK of ...
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3answers
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Oracle 11g ORA-01190: control file or data file 1 is from before the last RESETLOGS

I am running Oracle 11GR2, Enterprise Edition Release 11.2.0.3.0. I got one of my Test DBs corrupted today. Luckily, I have 2 weeks of backups in the Net Backup server, so I thought, "This is easy, ...
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1answer
40 views

NLS_LANG AL32UTF8/UTF8 for oracle database

I recently install a new database oracle on ubuntu using this tutorial. But a get an error oracle@ubuntu:/home/bruno$ echo $NLS_LANG /u01/app/oracle/product/11.2.0/xe/bin/nls_lang.sh ...
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29 views

data guard / network failure: deadline before global crash?

In a Maximum Availability scenario where there's one primary and one physical standby database, how long can we expect the system to run without problem when the standby site becomes out of reach ...
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Asynchronous batch commits in Oracle

We have an Oracle Database data warehouse that averages 120 commits per second (according to AWR). The top wait activity is log file sync, which is to be expected... For now, overall response times ...
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1answer
71 views

Not getting current IP address in my oracle database [closed]

I have installed Oracle database in my local machine and my local machine IP address is - 192.168.1.55 but in Toad its showing different SQL> SELECT SYS_CONTEXT('USERENV','IP_ADDRESS') FROM dual; ...
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117 views

LGWR is switching frequently in every 3,4,7 minutes. what should i do

I am running Oracle 11g R2 single instance on Linux 6.7. Data guard is also configured. In a database I have 4 groups of redologs, each group has 2 members and each logfile size is 200mb. The ...
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41 views

How to change initial extent of an existing partition

I'm having trouble with something that should be rather simple ... I'm sure I'm missing something obvious. I'm trying to change the initial extent of an existing table partition. For some reason, I ...
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1answer
48 views

Determine structure of out cursor

I have a function in Oracle that neither I nor my team wrote and is heavily obfuscated. However, it has a cursor out parameter. How can I find out the number and types that the cursor contains? For ...
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Oracle from_tz with Russian timezones shifts the input timestamp?

On Oracle 11g, I noticed that using from_tz to attach a TZ to a timestamp gives weird results for Russian timezones, but only after 25th October 2014. select from_tz(cast( '01-JUL-2015 12:00:00' as ...
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1answer
131 views

Load data from flat file into oracle table [closed]

I created a new database, then created a table "users". Now, I'm trying to load data to this table from a flat file called 'users.tbl', that has some records with the following format: ...
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Space is removing at end of the line

While running the insert script in sql*plus, space is removing. Can you please help us is there any plus command available in Oracle to not remove space at end of the line. Ex: After the text ...
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1answer
74 views

How do I kill a non-running impdp job?

I am trying to run an import operation into an Oracle 11G R2 database from a .dmp file using SQL Developer 4.1's Data Pump Import Wizard. I set everything up with IMMEDIATE start, but then the job ...
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How do I open Data Pump Import Wizard in SQL Developer 4.1?

How do I find and open the Data Pump Import Wizard in SQL Developer 4.1? I opened the Help search tool in SQL Developer 4.1 and searched for Data Pump, and found directions that include: 1.) ...
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1answer
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Global command to destroy all disconnected data files in Oracle 11g

Is there a global command to delete/purge all disconnected .bdf files in an Oracle 11g R2 database? Here is the scenario: Every user-defined user and user-defined tablespace was deleted from an ...
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1answer
79 views

How can I launch SQL Developer?

I recently installed Oracle 11g R2 on a Windows 8.1 machine, but for some reason SQL Developer does not seem to launch easily. What specific steps do I need to take in order to launch a working SQL ...
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1answer
192 views

How do I import data into oracle 11g r2 using a `.dmp` file and a `.par` file?

How do I import data into a new installation of oracle 11g r2 using a .dmp file and a .par file? Here is what I have done so far, on a Windows 8.1 devbox: 1.) Open command line as administrator ...
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Fetching user info from many databases at one go

I have a requirement to fetch all the schema available in 100+ Oracle instances running in RHEL environment. All the schema information such as username, roles assigned and is to be dumped in one ...
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66 views

From RAC to Standby RAC With Active Dataguard

I have oracle database 11.2.0.3 with RAC feature , with 2 node on oracle linux 6.4 : ol6-112-rac1 and ol6-112-rac2 I want to create active data guard with RAC feature from this database , these ...
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2answers
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Selecting from random amount of tables with identical structure

I am programming along the lines of an unfavorable design. I have no influence on the schema because it belongs to a readymade standard software. For simplicity let's say this software stores address ...
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1answer
128 views

Cannot startup Oracle due to ORA-15041

I'm troubleshooting an Oracle instance that won't startup due to ORA-15041. The trc file shows this error: Failed to create file '+FRA_DATA' (file not accessible?) ORA-19816: WARNING: Files may ...
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1answer
55 views

how to write code for logon/logoff triggers in oracle?

I have written the code for a logon/logoff triggers. Logon is working but the logoff trigger is created with an error. Please give some suggestions. Logging table: create table logon_off_audit( ...
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Varchar2 datatypes are longer than expected

When I run the following script : create table tbl1 ( col1 varchar2(30), col2 varchar2(50), col3 number(4,2) ); desc tbl1; alter table tbl1 modify (col1 varchar2(35)); desc tbl1; drop table tbl1; ...
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2answers
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TNS errors using Oracle instant client

I'm struggling to get my Oracle application working. I'm using the Oracle 11.2.0.4.0 instant client with a C++ application that is compiled using Visual Studio 2010. The machine is running Windows ...
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1answer
135 views

SGA size not decreasing after reducing memory_target (Oracle 11.2.0.1)

I have an Oracle 11.2.0.1 database using dynamic memory allocation with parameter MEMORY_TARGET. When I decrease it with SCOPE=BOTH, the size of the SGA doesn't seem to decrease along with it. I have ...
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oracle update statement is too slow

I have oracle database 11.2.0.4 on oracle linux 6.4 I have configure huge page on this OS . After 5 months of my projects , when i want to update any tables their have over 20,000,000 records , this ...
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Performance improvement after table analyze

I used a function that contains 3 tables a,b, and c. Table a has an index ind1 on two columns. I call a stored procedure that contains code and gets data using the above function. I analyzed my ...
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1answer
398 views

understanding ORA-01792 maximum number of columns in a table or view is 1000

We've recently migrated a server from Oracle 11 to Oracle 12c and ran into a few annoying issues. One of them is that a few a reports give the following error: ORA-01792: maximum number of columns ...
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49 views

Error ORA-12505 when trying to access a newly installed instance of oracle-11g express

I encounter problems installing a local instance of oracle express on my Windows 7 - SP1 computer. I did a basic installation, as administrator (run as 'administrator' on setup.exe). Then I tried to ...
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ORA-13506 An attempt was made to perform operation with an invalid Start/End Snapshot Pair during AWR report creation

When I create an AWR Report, the following error occurs: ORA-13506 Cause: An attempt was made to perform operation with an invalid Start/End Snapshot Pair. What does this mean, and what ...