The second and terminal release of Oracle Corporations Oracle 11g database product. 11.2 was released for Linux on September 1st, 2009. New features added include RAC One Node, Improved data compression ratios (up to 20x), Edition Based Redefinition, Recursive Subquery Factoring, Instance Caging, ...

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User with dba privs can't login to APEX, but can from SQL*Plus

I'm using Oracle 11gR2 XE. A user with dba privileges can't log in to the APEX interface, but can from the command line with sqlplus. I just created user: CREATE ROLE administrators; GRANT dba TO ...
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388 views

Duplication Oracle Database to remote host

I have two scenarios. 1 ) Let's say , I have the same file system and same SID on both nodes. I've created any directories necessary for start the duplicate database. First I used command below. ...
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2answers
592 views

Duplicating a Database with RMAN

I would like to duplicate to the same server Oracle Database with RMAN. I've configured flash recovery area for Oracle Database. My database is using SPFILE as shown below. SQL> SELECT ...
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1answer
2k views

NLS_TIMESTAMP_FORMAT changing automatically and randomlly

I am using Oracle 11gR2. My nls_timestamp_format is changing randomly from dd-mon-rr to yyyy/mm/dd. Does anyone have any clue why this is happening?
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How to purge logs by using Flashback feature in Oracle Database

I’ve configured flash recovery area for Oracle Database. My question is: how can I delete Flashback Database log?or is there any retention policy for that? 2- After I’ve enabled archive log mode and ...
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1answer
129 views

Efficient way to perform approximated search?

I have to perform a join between table_a and table_b, using three fields as key being one of them the date of the event, say, both tables have id1, id2 and evnt_time for eache record. As it happens ...
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3answers
9k views

Exporting schema data (tables, permisions) into another schema on same database

I want to take data from one schema schema1 and put it into schema2 this should be quite easy to do but i have searched through the oracle documentation and can't find a way to do it.
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1answer
891 views

How to clean up duplicate objects in SYS/SYSTEM

I have a sql query like below to check duplicate objects in SYS/SYSTEM. select OBJECT_NAME, OBJECT_TYPE from DBA_OBJECTS where OBJECT_NAME||OBJECT_TYPE in (select OBJECT_NAME||OBJECT_TYPE from ...
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1answer
310 views

Dynamic where condition in a stored procedure

I am using Oracle 11g. I am trying to get the table data with this procedure: CREATE OR REPLACE PROCEDURE test(p_table IN varchar2) IS v_sqltxt varchar2(4000); BEGIN v_sqltxt:='select count(*) from ...
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0answers
134 views

need the most efficient way to handle unique constraint errors

I am looking for the most efficient way to solve this situation: We are an Oracle shop. I need to load data from one table to another. My source table, which contains 30 million rows, has a person ...
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2answers
5k views

How to set Proxy Settings when installing Oracle 11g on Windows 7 Ultimate Edition?

I have downloaded the file - "win32_11gR2_database_1of2.zip" from oracle site. While installing Oracle 11g, I find this window in the first place: What to do? What values should I put on the ...
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1answer
2k views

Delete shared memory segments left over by an Oracle instance

We're using Oracle Enterprise 11rR2 running on Solaris. How can I delete/remove allocated shared memory segments using ipcrm? I'm getting this error: ORA-01041: internal error. hostdef extension ...
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6k views

impdp failing with ORA-01031: insufficient privileges

I'm trying to import a dmp file provided by our dba to my dev database. I've been able to export the contents to a SQLFILE and the contents look ok. I tried importing the schema and it kept on failing ...
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2answers
6k views

Granting privileges to dbms_crypto

I'm trying to grant proper privileges for using DBMS_CRYPTO. Whenever I call it from package it gives me error: PLS-00201: identifier 'DBMS_CRYPTO' must be declared User already has privileges: ...
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2answers
1k views

Oracle database uses wrong parameter file

When I try to startup my Oracle database I get the following error: LRM-00109: could not open parameter file '/opt/app/oracle/product/11.2.0/db_1/dbs/initjicdbaex.ora' The /dbs directory in my ...
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0answers
106 views

file extension of the file types cdump, incident, trace

I need to know the file extension of the file types cdump, incident, trace, alert. Actually I want to create files of the above types manually using mkfile command. There are no existing files of ...
1
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1answer
7k views

grant execute on utl_file to user in Oracle 11g XE

sqlplus connect <sys>/<pwd> grant execute on utl_file to <user> connect <user>/<pwd> DESC utl_file then i get: ORA-24372: invalid object for describe How can I access ...
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2answers
667 views

Why is a “non-single-group group function” allowed in a subselect but not on it's own?

Why does the first query not fail with the same error as the second: with w as (select 1 product_id, 10 units from dual union all select 2, 5 from dual) select sum(units) from (select product_id, ...
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1answer
1k views

Error AWR Operation failed: CATPROC not valid when creating database with dbca

I have a fresh installation of Oracle 11g enterprise edition on CentOS 6, both 64 bits. I have installed Oracle and so far everything looks fine. I have already added an started a listener. The ...
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358 views

Can't change Oracle sqlnet.ora runtime in the client program?

I am trying to setup Kerberos authentication for my Oracle database and I have a situation where I need to maintain different versions of sqlnet.ora for each kerberos user connection. My application ...
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1answer
4k views

Registry error while trying to install Oracle 11g on Win 2008 R2

I am new to Oracle and trying to install Oracle database 11g Enterprise Edition on Windows 2008 Server R2 but getting this error all the time... It gives me error when updating registry key ...
5
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1answer
581 views

What must be in place to validate a XMLTYPE against a schema?

I have a procedure that generates an XMLTYPE and I want to validate it against a schema. The problem is that there seems to be a permissions issue running createSchemaBasedXML because when I run the ...
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1answer
226 views

List partitioning or filtering a non-partitioned table, which incurs lower cost?

Consider a list partitioned table PARTITIONED__SOURCE_TBL on column period, and non-partitioned table SOURCE_TBL also having the same columns. Assume all tables are adequately indexed. Set 1: ...
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2answers
5k views

Shrinking the SYSTEM tablespace in Oracle

Our SYSTEM tablespace grew out of control because of the SYS.AUD$ table. We have truncated SYS.AUD$ but the datafile is still very big (~30G). Resize doesn't work because the file contains used data ...
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Oracle 11g R2 on CentOS 6.3, and Net Configuration Assistant

this is my first time to install Oracle 11g R2 on Linux. I made all instructions in Oracle documentation. But in the installation process, the Net Configuration Manager is failed. I continued the ...
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284 views

No network ACL, yet my user can successfully connect to external server

This one's had both me and our dba scratching our heads. We have an Oracle 11.1.0.7.0 instance, DEV, with a user who can successfully connect to our ldap server, e.g.: DECLARE l_session ...
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2answers
479 views

Expand sparse table with self outer join on distinct values

I have this: g1 | g2 | x ---------+-----------+----- New York | Monday | 210 New York | Tuesday | 258 Chicago | Monday | 30 Chicago | Wednesday | 25 LA | Thursday | 40 ...
2
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1answer
3k views

can I replace nulls in a PIVOT with zeroes?

I am using the PIVOT function in Oracle and am curious if I can replace the null values with zeroes? I know I can wrap the entire query in another SELECT and then use COALESCE on the values, but I am ...
4
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1answer
822 views

Oracle: How to gather stats in a logical standby database?

I have a Primary and a (logical) Standby Database. The Schema 'APP' gets synced. Now a User has performance issues running a query against some tables in this 'APP' schema of the Standby Database. On ...
5
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2answers
593 views

Defining constraints in `CREATE TABLE` statements

Recently I have been using a Database Abstraction Layer built by a Python web-framework called web2py (click for their DAL syntax). They include the option to include your constraints within the ...
5
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1answer
722 views

Enforce data integrity with a recursive table

I have an existing oracle 11g database schema that works with a web application. I am planning an expansion to the application so a web service can do data operations on the database. As part of the ...
2
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1answer
11k views

Completely uninstall Oracle server on Linux

I have searched lot in Google for how to uninstall Oracle on Linux, but I can't figure it out. I think that I need to reinstall the server because I get a lot of errors when I try to startup the ...
2
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2answers
1k views

Create Oracle ASM Disks Without Installing Oracle

I have been asked to setup workstations (VMs) for an instructor's Oracle 11g R2 Workshop. I am finding the documentation that was downloaded from the Oracle Academy site extremely underwhelming. I am ...
4
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1answer
6k views

How to find the schema name of a data pump dmp file?

I have been given a DMP data pump export file to import into my local Oracle instance. I've tried running this command line: impdp full=Y directory=DATA_PUMP_DIR dumpfile=MyDumpFile.dmp ...
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1answer
1k views

Alternative tools to export Oracle database to SQL Server? [closed]

I've got an Oracle database that I need to export (schema and data) to SQL Server. I am trying the Microsoft SQL Server Migration Assistant for Oracle, but it is horribly slow, grossly inefficient ...
2
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1answer
2k views

Specify Server for DBMS_Scheduler Job in Policy Managed RAC

A unit test requires a dbms_scheduler job to run on the same RAC node as the unit test is being run from. I know that with an Admin managed database this could be done by creating a service that ...
1
vote
1answer
459 views

need to use PLSQL to insert distinct rows

I need to take some data from Table A, use some logic, and then insert one or more rows into Table B. I have a PLSQL block that brings in data from Table A with a cursor, performs all the logic ...
2
votes
1answer
3k views

how to create and insert into a table in an anonymous block

I have PL/SQL anonymous block that creates a table (using execute immediate) and then inserts data into the table. When the block compiles, it gives me an ORA-00942: table or view does not exist ...
2
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1answer
612 views

Blocking incoming database links

Let's say there is an Oracle database A and another Oracle database B. Our database is A. Is there a way to block database links from B to A?
5
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3answers
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“ORA-01950: no privileges on tablespace 'SYSTEM' ” : What error is it?

Earlier I created a user : SQL>create user suhail identified by password SQL>User created. SQL>Grant create session,create table to suhail; SQL>Grant Succeeded. but when I login as ...
2
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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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2answers
16k views

“ORA-01017: invalid username/password” : Why is that?

What is the difference between the two : SQLPLUS / AS SYSDBA and SQLPLUS Enter user-name: SYSDBA Enter password: If I use the first command I get connected and see the prompt SQL> but upon ...
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1answer
394 views

Update field1.table1 based on compound join between table1 and table2 - Oracle

I want to run update statement on Oracle 11g, but it fails with the following error: SQL Error: ORA-01427: single-row subquery returns more than one row 01427. 00000 - "single-row subquery ...
0
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1answer
994 views

Logging and saving user activity

Database:Oracle 11gR2 OS: Windows 2008 Server R2 I'm not trained DBA, just have to run things on an Oracle database temporarily, which is used to perform OLAP processes. I need to automatize user ...
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1answer
5k views

ORA-00990 error while trying to grant priviliges: Why is that? [closed]

After creating a user named suhail I am trying to grant that user some privileges. But I am getting an error saying missing or invalid privilege . Why is that ? C:\Windows\system32>SQLPLUS / AS ...
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2answers
1k views

Unable to start Oracle Database Server : Get an error as I try to start it

I just installed Oracle Database Express Edition 11g Release 2 for windows.It created a short cut icon on the desktop : but as I click this icon I see this dialog box : What is it ? How do I ...
6
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1answer
1k views

Global locking for multi-master Oracle GoldenGate replication

This is a very complex scenario, but I figured a state-of-the-art challenge might interest some of the many high-end users of dba.se. Problem I'm working on an intercontinental data replication ...
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0answers
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ORA-06512: at “SYS.DBMS_ADVISOR”, line 201 PL/SQL: numeric

We have been using Oracle Database - Enterprise Edition 11.2.0.3 running on the IBM AIX on POWER Systems (64-bit). My question / problem is : When trying to run below command then I'm getting the ...
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277 views

can I get a list of all parameters and their values while inside my stored procedure?

I have a number of Oracle stored procedures whose activity I want to be able to audit, so I am having them INSERT some data into an auditing table. It would be swell if I could list the variables and ...
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2answers
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Strange behaviour of a query with order by and rownum on Oracle's Exadata server

I am executing the following query on two different database servers: SELECT start_date, end_date, resort_id FROM employee_activity WHERE employee_id = 27 AND start_date < ...