Questions tagged [oracle-11g]

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

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22 votes
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Pivot rows into multiple columns

I have a SQL Server instance that has a linked server to an Oracle server. There is a table on the Oracle server called PersonOptions which contains the following data: ╔══════════╦══════════╗ ║ ...
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  • 867
20 votes
4 answers
85k views

Can I change the SID of an Oracle database?

The Server is Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Is there an easy & quick way to change the SIDs of the test databases on the server? Dropping & recreating of ...
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19 votes
6 answers
81k views

Best way to delete very large recordset in Oracle

I manage an application which has a very large (nearly 1TB of data with more than 500 million rows in one table) Oracle database back end. The database doesn't really do anything (no SProcs, no ...
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18 votes
4 answers
62k views

How can I unload Oracle database tables into a csv files?

I need to retrieve certain data from an Oracle 11g release 1 database and provide it as one or more CSV files. The data resides in multiple tables and/or views. All this should work via the command ...
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  • 183
17 votes
1 answer
87k views

Oracle 11g listener fails with ORA-12514 and ORA-12505 errors

I run an instance of Oracle 11g locally on my development machine and can connect to the local instance directly via SqlPlus: c:\>sqlplus ace SQL*Plus: Release 11.2.0.2.0 Production on Mon Mar ...
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  • 421
15 votes
3 answers
36k 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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  • 3,261
13 votes
5 answers
49k views

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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  • 397
13 votes
2 answers
143k views

How to configure an Oracle Listener without SID_LIST_LISTENER in listener.ora?

I have access to a ORACLE 11g server using the following listener.ora # listener.ora Network Configuration File: D:\app\Administrator\product\11.1.0\db_1\NETWORK\ADMIN\listener.ora # Generated by ...
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  • 11.8k
12 votes
2 answers
2k views

LNNVL Justification

LNNVL is an oracle built in function that returns TRUE for conditions evaluating to FALSE or UNKNOWN, and returns FALSE for conditions evaluating to TRUE. My question is what would be the benefit of ...
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  • 23.6k
12 votes
1 answer
5k views

Commit vs Fast Commit vs Commit Cleanout in Oracle Database

I was wondering whether someone could verify my understanding regarding the differences between those 3 terms as pertaining to Oracle Databases. Many sources confuse these terms and do not explain ...
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  • 261
11 votes
2 answers
71k views

sqlnet.ora or tnsnames.ora changes require reboot?

Anytime you change Oracle's sqlnet.ora or tnsnames.ora files, does the system require a reboot? In my instance, I only have the Oracle client installed on the machine I'm referring to, but out of ...
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11 votes
1 answer
6k views

Why am I NOT getting a mutating table error in trigger?

It's (or at least was) known that you cannot use DML statements on a mutating table inside a trigger. An excerpt from the Oracle documentation: A mutating table is a table that is being modified by ...
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  • 895
10 votes
2 answers
112k views

How to see profile assigned to a user

Let's say i have created a user as 'TEST_USER', and then i assigned a profile to it. Now how can i see for TEST_USER which profile has been assigned? I want some query that will check what profile a ...
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10 votes
2 answers
71k views

How and when to use sys_refcursor in oracle

Can some one give me a small explanation about how and when should someone use sys_refcursor ?
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10 votes
2 answers
6k views

Why can't I read Oracles CLOB columns via SQL-SERVER 2008 linked server?

I want to access data in an Oracle 11g database from SQL-Server 2008 I set up a linked server and when I execute select * from [Link_server_name]..Oracle_schema.Oracle_table and Oracle_table ...
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  • 11.8k
9 votes
3 answers
79k views

ORA-01502: index or partition of such index is in usable state problem

I have a table in my Oracle database, where select pkcol, count(*) from myTable group by pkcol having count(*) > 1; yields PKCOL COUNT(*) ------- ---------- 1 2 2 ...
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  • 11.8k
9 votes
1 answer
882 views

Designing Simple Schema for Disaggregation of Demand Forecast

I am doing a simple database design task as a training exercise where I have to come up with a basic schema design for the following case: I have a parent-child hierarchy of products (example, Raw ...
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8 votes
4 answers
98k views

Convert a Unix timestamp to a DATETIME in a View

I have a table that stores a unix timestamp. To query this as a date, I'm attempting to convert this timestamp to a datetime type in a view. Unfortunately, I can only seem to get the DATE portion out. ...
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8 votes
2 answers
7k views

How Long Would Take to Upgrade an 1T Oracle DB from 10g to 11g?

How long would take to upgrade an Oracle DB which has 1T data from 10g to 11g usually/roughly? I need to estimate the down time for it since it is a prod db. Thanks much!
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  • 283
8 votes
5 answers
40k views

Simplified/automated datafile free disk space reclaim

On Oracle version 11g: After Googling, I can't find a simple way to reclaim free space after deleting a table. I've found a lot of explanations, telling how the datafile becomes fragmented, the big ...
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  • 937
8 votes
3 answers
20k views

Unable to start Oracle (11g1) due to bad memory configuration (ORA-00837)

I decided to reduce the memory allocation of a local developer instance, and was told that the following command did the job; alter system set memory_max_target = 512M scope = spfile; Which I guess ...
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  • 213
8 votes
1 answer
32k 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: ...
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8 votes
1 answer
386 views

How to get hierarchical data from two tables in oracle?

I have two tables table1 and table2, I need hierarchical output by joining of both of the tables. Table1 contains three categories CAT1, CAT2 and CAT3 with one Foreign key i.e. F_ID which is a ...
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8 votes
1 answer
990 views

Oracle Ref Partitioning: Deadlock due to child table row migration

My ordering application uses Oracle 11g Database. This DB has a primary table ORDERS and multiple child tables like ORDER_DETAILS, PLAN etc. ORDERS table is LIST partitioned on STATUS column and all ...
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  • 245
7 votes
1 answer
45k views

temporary table inside procedure oracle

I'm in a situation right now. I'm migrating several procedures from Mysql 5.0 to Oracle 11g. Mysql procedures allow me to: 1. Create temporary tables 2. Insert data into temporary tables / Query these ...
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7 votes
2 answers
72k views

Sql*Plus ERROR: ORA-12154: TNS:could not resolve the connect identifier specified

I installed Sql*PLUS on a cloud Oracle Linux Environment in order to access an remote database. I used the installation instructions provided as an answer here: https://stackoverflow.com/questions/...
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  • 201
7 votes
5 answers
17k views

Can't drop UNDO TABLESPACE

We have Oracle 11gR1 RAC two instances on two different servers, new undo tablespace UNDOTBS20140508 created 30G, I want to remove the old one UNDOTBSX02, I did the following: CREATE UNDO TABLESPACE ...
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6 votes
3 answers
41k views

ORA-02270: no matching unique or primary key for this column-list

I getting an error report of: Error report - SQL Error: ORA-02270: no matching unique or primary key for this column-list 02270. 00000 - "no matching unique or primary key for this column-list" *...
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6 votes
2 answers
9k views

How to find foreign keys that don't have corresponding indexes?

I have installed Oracle database 11g R2 with a customized application. In my environment we are experiencing locking on tables. I want to check if there are foreign keys in my database without the ...
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  • 167
6 votes
1 answer
180k views

How to run procedure in Oracle SQL developer

Hello I have a table named CITY in oracle SQL developer, my problem is how to run the procedure -- start the script SET SERVEROUTPUT ON SET LINESIZE 400 SET TIMING ON CREATE OR REPLACE PACKAGE BODY ...
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  • 163
6 votes
5 answers
28k views

Oracle 11g setup closes without errors on pre-requisite check

I'm installing Oracle 11g and the setup wizard just closes automatically after the pre-requisite check. I have administrative access UAC is disabled IPv6 is diabled There is more than enough free ...
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6 votes
2 answers
38k views

Adding subpartitions to existing partitioned table

In Oracle 11g, is there a way to introduce subpartitions into an existing partitioned table? I cannot seem to find a combination of EXCHANGE and SPLIT partition that does the right thing. SPLIT will ...
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6 votes
1 answer
21k views

Connection to an oracle db from another computer

I have installed Oracle 11g to an ubuntu. I can connect to DB using sqlplus from the localhost. But I cannot connect from another computer. I have configured my tnsnames.ora as followed: ELIF = (...
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  • 163
6 votes
2 answers
698 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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  • 195
6 votes
3 answers
15k views

ALTER SYSTEM DISCONNECT SESSION doesn't work

Oracle 11g. The devs leave sessions connected overnight, sometimes certain cron jobs fail because of that. I am trying to kill all user sessions, but I can't. I login as: sqlplus system/[password] ...
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6 votes
3 answers
7k views

Add Oracle Label Security to an existing Oracle installation

We are using Amazon EC2 to host some Oracle database instances while we are evaluating and prototyping some software. We are using the AMIs provided by Oracle - specifically, Oracle Database 11g ...
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5 votes
2 answers
4k views

PL/SQL function to receive a number and return its binary format

I'm trying to write a function to receive a number and return its binary format. This is what I've developed so far and it's ok for inputs : 4,8,16 but it does not return correct binary format for ...
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  • 1,304
5 votes
2 answers
9k views

Oracle 10g dump file push into Oracle 11g database

Currently when executing the imp command with the following parameters: file=my.dmp log=my.log fromuser=myuser touser=myuser The following errors occur: IMP-00058: ORACLE error 12560 ...
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  • 201
5 votes
6 answers
94k views

Oracle Export using EXPDP gives ORA-06512 SYS.UTL_FILE error on Windows 7

I am using Oracle 11g and want to export a table using below statement C:\>expdp SYS/sys@MYDATABASE DIRECTORY = Mydir DUMPFILE = Customer.dmp LOGFILE = Customer.log TABLES = PERSON.CUSTOMER After ...
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  • 423
5 votes
2 answers
656 views

Learning Oracle, does it matter if I install 10g or 11g?

I'm taking a class in Databases, they're using Oracle 10g in class, but I'm having some trouble installing the database here in Windows 8 (auth problems), so I thought I'd attempt 11g. Is 11g ...
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  • 391
5 votes
2 answers
12k views

Is index performance on a TIMESTAMP(6) column impacted when converting it to a number

If I have an index on a TIMESTAMP(6) column, am I forced to use this column as a TIMESTAMP(6) to get the benefits of the index? Can I convert this column to a number with second precision (...
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5 votes
1 answer
186 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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  • 61
5 votes
2 answers
46k views

Commit and rollback in Oracle stored procedure

In my Oracle stored procedure, I have multiple insert and update statements like below: create or replace PROCEDURE SPTest AS BEGIN insert into emptest(empid,empname,deptno) (1,'ravi',10); ...
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  • 494
5 votes
1 answer
19k views

How to create an Oracle Database Link when the password has special characters

I'm trying to create a DBLink. SQL Developer is the client I'm using. The password to my remote user has *'s in it. I'm having trouble figuring this out. This syntax isn't working: CREATE DATABASE ...
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  • 321
5 votes
3 answers
25k views

ORA-03113 when starting up an Oracle 11g database

I have read "ORA-03113: end-of-file on communication channel" on startup and others from this site to solve my problem but I still have not solved it. All I get is the following: Microsoft ...
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5 votes
1 answer
18k views

After truncating a single partition its Primary key's index becomes unusable and all inserts/updates into that partition fail

I have a partitioned table: SAMPLE_PARTITIONED_TBL with 60 partitions (no sub-paritions) based on the PERIOD_ID numeric field (Data set: 201001...201212.. and so on). This table has several local ...
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5 votes
3 answers
33k views

Passing parameters to a procedure executed by DBMS_SCHEDULER

I have a scheduler program that runs a stored procedure that requires input parameters. BEGIN DBMS_SCHEDULER.DROP_PROGRAM (program_name => 'MYSCHEMA.EXPORT_SCHEMA_STARTING'); END; /...
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5 votes
1 answer
13k views

Update oracle sql database from CSV

I tried google at first but no luck. Is it possible to update tables from csv file? I am using SQL developer and I am using a script to export edited rows to a csv file. I would like to update the ...
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5 votes
2 answers
15k views

Troubleshooting Oracle ORA-08103 - object no longer exists

I am getting this error from Oracle intermittently. A trigger is truncating a partition from a partitioned table while a long-running query is running against it. Since I'm truncating a different ...
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5 votes
2 answers
5k views

Where can I find autoextend events?

In Oracle, where can I see the history of DBFs autoextending? Or get the timestamp that a DBF last autoextended, and by how much?
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