Oracle Database 11g (not 11g R2). Please also tag oracle for search purposes.

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30 views

Creating report based on the sql statement

I would like my report to display something image like as below so can i know is it how my sql for table has to be when creating it create table attendance ( Student_ID VARCHAR2 (15) ...
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1answer
72 views

Can I use an RMAN Backup of DB1 to replace DB2

I have a backup of an Oracle 11g database on Linux, that is a version that is 'prescrub' needed by other users. This is for an ACTIVE database that is now scrubbed, so I do not want to use it as the '...
3
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1answer
104 views

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
111 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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0answers
141 views

Sync oracle DBs using archive log when not connected to each other

I'm trying to synchronize 2 dbs which are not connected to each other, and located in a separated networks. The 'copy db' (aka: standby) can be read only, but still should be active. My intuition (...
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1answer
138 views

ORA-00904 error while querying the Oracle database table

I am newbie with oracle DB and I need to List the Number of departments per region in the region table. This is my SQL statement: select r.region_id, count(d.department_id) "Number of ...
2
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1answer
103 views

aggregate column of nvarchar2 and obtain result in nvarchar2 too

I need to create a view with an aggregate column of nvarchar2(4000) in Oracle 11g. What I have: Table1 with every column of type nvarchar2(4000): Col_Name txt_value X a X ...
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1answer
54 views

Using exception with raise_application_error

I'm developing with Oracle 11g. How can I use a named exception in RAISE_APPLICATION_ERROR like this: DECLARE my_fault EXCEPTION; PRAGMA EXCEPTION_INIT (my_fault, -20000); BEGIN ...
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1answer
41 views

Strategy To Remove Old Records

We are running Oracle 11.2.0.4.0. It is a transactional database that has been online since 2011. We have been tasked to clean up old records. The table structure is (parent->child): A->B-C->D->E ...
2
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1answer
84 views

Oracle - Connect Via SqlPlus

I have a local installation of Oracle. I want to add the XMLDB package to it. As step 1, I need to connect to it via sqlplus. And I am not able to. The installation has a database called Pm. Here ...
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3answers
12k views

Oracle Enterprise Manager Database Console - default login and password?

I've just installed an Oracle 11g Standard Edition Database. It ran successfully and everything, however when going to Oracle Enterprise Manager Im not really sure what my "username" would be. I ...
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1answer
60 views

Nested, inline pivot table (oracle)

I'm trying to go from a table like this: ID | NAME | METADATA ------------------------------- 1 | test | '{"a":"x","b":"y"}' where the metadata column is a JSON string. What I'd like to end up ...
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77 views

Cannot create user using administrator credentials in Oracle

I am trying to get some hands-on experience with ORACLE and I installed Oracle Database 11g Express Edition on my PC at home. I logged into the 'Application Express' by entering TEST in the Workspace ...
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2answers
59 views

How do I change all Oracle profiles PASSWORD_LIFE_TIME to UNLIMITED?

This query: select distinct profile from dba_profiles; Returns 3 rows: default default1 default2. I want to change the PASSWORD_LIFE_TIME for all these profiles to UNLIMITED with a single query ...
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1answer
68 views

Pointing DB to new Oracle home in primary and standby oracle database

I needed to apply a security patch to production database. To minimize the outage time, I cloned the oracle home and applied the patch to this newly created oracle home. With production DB there is a ...
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3answers
2k views

Why do shadow processes exist?

Oracle architecture has two types of process: server process or foreground process and background process, but: Some people use it to refer to foreground processes, others use it for background ...
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1answer
140 views

Can Oracle 11g Express Edition Work on Parallels

I am using a Mac and need to use Oracle 11g. I have Parallels installed with Windows 8.1 on it. Do I need to download anything else or just download Oracle 11g Express Edition and run it?
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2answers
92 views

Updating duplicate records with different data

I have a migration specific issue. Data from a large table has been migrated into another table, but data for one destination column is missing due to certain issues (that are not specific to this ...
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39 views

When the query was last executed?

Is it possible to find which queries were run a fortnight ago, and the time they were executed in Oracle 11g? (answers for MySQL also welcome) I found this when I searched: How to know when a query ...
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1answer
60 views

plsql block not executing

I am unable to execute this block. it just compiles. what statement I have togive to see output. where I am doing error ? I clicked on output button also
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2answers
63 views

Checkpoint during Backup

Can database process make automatic checkpoint when I'm in process of copying files during ALTER DATABASE BEGIN BACKUP; and ALTER DATABASE END BACKUP; You can assume that process of copying ...
2
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1answer
2k views

Replicate or Call java encryption function in Oracle pl/sql

I am trying to replicate encryption/decryption method present in java in Oracle DB, so that data encrypted in java can be decrypted through Oracle Function. Below is java code: package com.encr; ...
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1answer
71 views

Making data fetching faster on VIEW

I have created a rest service which fetches data from Oracle database and send it back to the application from which the rest service is called . Below is the query to fetch data from VIEW ,this ...
4
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1answer
96 views

Result on execution of any SQL is number 2

After successful execution of any sql in oracle sql command line it shows 2 like i want to see the table or description of any table it show 2 instead of showing the table. SQL> select * from dual ...
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67 views

How does Toad detect installed client?

I installed Oracle client and Toad and have worked fine. But When I install Oracle server also in the same system. The server and the client seem to conflict on the path something. I decided to ...
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2answers
205 views

Precision of NVARCHAR2 column is 1.5 times lower than displayed by desc command

I wanted to update precision of an nvarchar2 column and came across an interesting case. I have tried to replicate it below: create table test_table1 (col1 nvarchar2(100)); table TEST_TABLE1 ...
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2answers
68 views

How to transpose rows to column in datatabse [duplicate]

I have one table which contain 3 column,Col_ID, Col_Group, Col_Price for this my column is like below Col_ID Col_Group Col_Price 1 AA 0 1 BB 2000 1 ...
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In Oracle how do I save a sequence.nextval in a variable to be reused in multiple inserts?

I'm writing a script to populate some tables with data for testing. I would like to write something like the following but I don't know how to do it (I'm Oracle 11g) SET ENABLED_USER_ID = SEQ....
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93 views

Linked Server to Oracle seems to be slow

we have a linked server between a SQL Server 2008 R2 instance and an Oracle 11.1.0.7 instance using OraOLEDB.Oracle Provider. The enabled options for provider are: Dynamic parameter Nested queries ...
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How to concatenate using cast(collect()) in Oracle DB?

My current query: select distinct mb.BP_TYPE,mb.ABS,mb.BLD_SEQ_CODE, mb.BPCODE||'~'||(select LISTAGG(mbp.PROCEDURE,' ') within group(order by mbp.LINE,mbp.SLN1,mbp.SLN2) from MIS_BS_BB_PROC mbp ...
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1answer
43 views

How to convert following mysql query to oracle?

I have a mysql query like following, Column time contains date in long format. SELECT FROM_UNIXTIME(CEILING( Time/('20160'*1000)) *'20160', '%Y:%m:%d %h:%i') AS Time, SUM(CreatedInstanceCount) AS ...
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1answer
46 views

Oracle connection through visual studio

I installed oracle client 11.2.0 version in my machine and also installed Oracle data access providers for visual studio.I also installed Oracle Data Access 11.2.0.3.20. I am trying to connect to the ...
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2answers
52 views

Oracle how do i see who connected to my database

I am using oracle 11g and I would like to see who connected to my database some hours ago. In what file can I see those who have connected to my database through a network connection? Thanks
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251 views

sqlplus not connecting to Oracle XE 11g

I installed Oracle XE 11g on my Ubuntu in vmware fusion. The oracle installation is all went fine but I am not able to connect the oracle database using sqlplus. I am getting this exception: $ ...
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1answer
556 views

Oracle crashing on CentOS

Here is alert_XE.log: kkjcre1p: unable to spawn jobq slave process Errors in file /u01/app/oracle/diag/rdbms/xe/XE/trace/XE_cjq0_23146.trc: Process J000 died, see its trace file kkjcre1p: unable to ...
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1answer
110 views

How to update scheduler job credentials in oracle enterprise manager?

I have a job scheduled in oracle 11g which runs on daily basis. Job is running with User "user_dba" (unix server user). The job is failing from the day I changed the password for the user "user_dba". ...
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1answer
136 views

CREATE TABLE AS SELECT creates non-nullable columns

I am using the CREATE TABLE AS SELECT statement in Oracle 11g to get data from SQL Server 2012 via a database link. Oracle creates all these tables with non-nullable columns and that causes me ...
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2answers
663 views

Control file creation failed

I lost all the control files and I don't have backup for it. Control file creation failed SQL> CREATE CONTROLFILE SET DATABASE "UAT02" RESETLOGS NOARCHIVELOG MAXLOGFILES 16 MAXLOGMEMBERS 2 ...
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577 views

Why doesn't “As SYSDBA” work from SQL Developer?

I am a SQL Server developer/DBA consultant who is helping out a customer who recently lost their Oracle DBA. I have done development on Oracle, but not much DBA work, and not in multi-homed ...
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3answers
257 views

How can I optimise an Update on a large table?

I am using Oracle 11g, I have to update 7 fields on a table with 14 millions of rows, the updated columns get the new value from functions, the update looks like: update hslak set HSLAKSTS = ...
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40 views

Oracle 11g databse control with Enterprise manager on Windows 7 64 bit error

I am trying to install Oracle 11g on Windows 7 64 bit. I get Successful installation until when I get to connect to the database I got a message error.I login as a Username "Sys" with password and ...
0
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1answer
231 views

Problem using sample schemas by Oracle in Oracle APEX

I am new to Oracle and Oracle APEX. I have been practicing to make Oracle APEX database application using "hr" schema of the database. Before doing so, I unlocked the schema, along with schemas "scott"...
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2answers
11k views

Oracle 11g SYSDBA login

I installed Oracle 11g on my win xp machine. Now I want to connect to the database. I was told that to connect to the database from command prompt I should use SQLPLUS "/ AS SYSDBA". But I want to ...
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3answers
20k views

Is there any difference between Rem and — comments for SQL*Plus?

On SQL*Plus prompt, both Rem and -- qualify as comment indicators: Rem this is a comment -- this is also a comment create table emp ( id number primary key, name cvarchar2(40)); Is there any ...
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1answer
14 views

Oracle generated column aliases different on two DB's

We have a legacy application we cannot modify that connects to Oracle 11g and at some point runs a query and returns a result. The application however is using the "generated" column name from Oracle ...
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1answer
137 views

Oracle - Service Account vs Database Account?

I'm a developer and not a DBA, specifically not an Oracle DBA. I have a Java application that is connecting to a Oracle 11g R2 database. I have an account and schema called "OBR". I am being told the ...
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How do you schedule the times that a material view can refresh in oracle 11.2g?

Currently we schedule MV refresh's hourly, but this is causing a problem due to conflicting timeslots with the overnight routines. Is it possible to either block refreshes between certain times of the ...
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Oracle Database keeps JDBC pooled connections on DRCP configured port as dedicated

Our developers have had an application in java that connects to the database and JDBC was controlling their connection pools. To comply with pooling requirements for our PHP developers, we enabled ...
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What the exact different between Oracle Fusion Middleware and alternative (Non -Fusion)?

I have properly working CentOS release 6.7 (Final) and I have installed Oracle Database 11g Express Edition, Oracle SQL Developer (Working properly). Now I want to install Oracle Forms and Reports ...
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92 views

Oracle 11 rman db restore file corruption

First to mention that I came to the need of asking help after furious research I reattempts for about 3 weeks. I checked previous threads in Oracle community but nothing works for me. I am trying to ...