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 do I disable oracle's MAX_ENABLED_ROLES limit? [closed]

How do I disable oracle's MAX_ENABLED_ROLES limit or expand the limit?
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1answer
77 views

Type with nested table in oracle

I want to create a type with a nested table. I have a table called assignment_tbl which I want to put a type assignment_status. This assignment_status contains primitive types but also contains a ...
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1answer
65 views

Can we restore backup for standby from external hard drive with differnet drive labels

I am using windows server 2003 and Oracle database 10g R2 and i have taken the backup using RMAN of my primary database in Drive label E. The size of backup is 1.5TB. In my standby database i don't ...
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1answer
152 views

Error exp oracle XE on centos

i have a problem when i try to export ... Connected to: Oracle Database 11g Express Edition Release 11.2.0.2.0 - 64bit Production Export done in WE8MSWIN1252 character set and AL16UTF16 NCHAR ...
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1answer
593 views

Cannot remotely connect to oracle express

I have installed Oracle Express in a oracle-6.5-x64 virtual machine (let's called it host). The installation went fine, I am able to connect and run commands using SQLPlus from the host. Now I'm ...
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1answer
159 views

ORA-00838 error after increasing MEMORY_TARGET

I've increased MEMORY_TARGET in pfile and then create spfile. I'm getting the same problem as before: ORA-00838: Specified value of MEMORY_TARGET is too small, needs to be at least 3084M The ...
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1answer
569 views

Exporting from Oracle enterprise edition to standard edition reaches schemas limit

So, I'm trying to export an oracle database(10.2) from EE to SE over a networklink. It all works fine except that I'm hitting a limit. The database has 1335 schemas and it seems that I can't transfers ...
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1answer
311 views

ORA-01033: ORACLE initialization or shutdown in progress using Oracle Express

I am using Oracle Database 11g Express Edition. I'm on Windows 7-64Bit I get this error when trying to access the database: ORA-01033: ORACLE initialization or shutdown in progress I set up the ...
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2answers
95 views

Unexpectively slow data loading into Oracle

Big amount (4.000.000+) of files (1-4Mb each) are loading into Oracle 10g for about several days. Table is allocated in big tablespace, which was created on special volume (labeled BIG_VOL) over ...
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1answer
37 views

Having troubles creating table SQL [closed]

I'm new to SQL and Im trying to create a simple database, but I'm having problems with second one, I'm using Oracle Database express 11 and when I try to run this code I get error: Missing right ...
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3answers
552 views

Avoiding multiple `or` expressions

I have the following oracle SQL and its works and all but it's quite ugly with all of the ors. Is there a more concise way of doing this? SELECT * FROM foobar WHERE (SUBJECT ='STAT' and TERM ...
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2answers
76 views

TNS-12541 Error

I have grid installed in my pc but the problem is LISTENER does not start automatically. I have to start listener manually and then only LISTENER get started. But before starting listener if you check ...
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3answers
91 views

Linux kernel parameters for oracle

I wonder what are the optimal Linux kernel parameters for oracle 11g db on 64-bit system. I didn't find any detailed, good or full recommendations or best practices for this issue. Just found one ...
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1answer
993 views

Trying to copy a schema using impdp

I'm trying to copy a SCHEMA in its entirity using oracle's IMPDP tool. I've setup a database link back to itself and the link works fine. Then I'm running this: impdp username/password@instancename ...
4
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1answer
438 views

Is Oracle's dbms_utility.get_hash_value algorithm documented do reverse engineered anywhere?

I'm working with an existing database where passwords are hashed like this: DBMS_UTILITY.GET_HASH_VALUE(the_username || the_password, 1000000000, 1073741824) I know that this is bad for various ...
7
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1answer
371 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 ...
0
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1answer
231 views

Toad for Oracle 64-bit : 1603 - Fatal error during installation

I'm trying to install Toad for oracle client, my Toad version is 12.1 for 64 bit system, i have succeeded to install oracle client 12c for 64 bit system, but i have stumbled by a problem when ...
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1answer
177 views

ORA : 12519 No appropriate Service Handler

Sorry if my question has already been asked many times but I spent two days trying to solve it. I have a machine in which I had an Oracle database. Everything was working propertly until I added two ...
5
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2answers
343 views

Should I group by and then join, or join and then group by?

(oracle's optimizer does the same thing for both approaches when just two tables are involved, thus my question involves three tables) Assume three tables t1, t2 and t3 with a pairwise 1:n ...
0
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1answer
80 views

Update table from different table [closed]

UPDATE RBI.RBI_OV_F_DETAIL A SET (BRANCH_ID, BRANCH_NUMBER) = ( SELECT PRICE_BRANCH_ID, PRICE_BRANCH FROM RSE.RSE_SO_F_ORDERS B WHERE A.SOURCE_ID = ...
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1answer
137 views

Update Statement in SQL

I have one table named as temp_stock_reco. I have created one procedure for update two columns in that table. CREATE OR REPLACE PROCEDURE TEST_RECPT_0705 is CURSOR RECEIPT IS select ...
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1answer
57 views

How to set ADR Base directory correctly on OracleDB on Linux?

Installed Oracle Database on Linux based OS. Listener is ok. But Oracle is not. (I changed all angular brackets to vertical, because parser not shows angular brackets) ORA-48108: invalid value ...
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1answer
293 views

Queries hang when accessing Oracle via ODBC and Python

I have Python scripts running on a Windows 2003 server that access an Oracle 11g database in the US via VPN. I am in the UK. We have recently moved offices and upgraded our broadband speed. Some of ...
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0answers
38 views

Oracle 12G Merge subpartition data into partition

I have a Oracle 12G table which is interval partitioned (monthly) and list sub-partitioned. There is no longer a requirement to sub-partition the table and hence I would like to "merge" the data in ...
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1answer
265 views

How to install ROracle on Linux

I am trying to install the ROracle library. This fails: install.packages("/storage/Downloads/ROracle_1.1-11.tar.gz", repos = NULL, type = "source") ** package ‘ROracle’ successfully unpacked and MD5 ...
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1answer
50 views

ORA-08102 while creating a view

I am learning PL/SQL programming. I'm trying to create a view with the following statement: create or replace view viewName as select ID from employees; The view creation throws the following ...
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2answers
50 views

Application testing: using multiple users in Oracle instead of mem H2. How to make it as fast as possible?

I decided to stop using H2 for obvious reasons (I have Oracle on production, compatibility mode is a fake). So, I wrote simple test framework which for each test in my application does the following: ...
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1answer
79 views

How to set the sequence to the last used id for all tables in Oracle?

I'm working on an open source elearning system called Moodle which usually uses MySql or Postgresql, but can also use MSSQL and Oracle. A client wishes to use Oracle, which I have limited experience ...
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2answers
72 views

Unable to describe table in oracle

I'm trying to get the description of a table in oracle because I need to know what foreign keys does it have and which tables they refer to. I'm using desc but all I get is "ORA-00900: invalid SQL ...
2
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1answer
116 views

Unable to connect to Oracle from SQL Developer

below is the error Status : Failure -Io exception: The Network Adapter could not establish the connection It's connecting from my system but unable to connect from other systems on the ...
0
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1answer
28 views

Update different oracle database from different oracle database

I want to update a CLOB column in B Oracle 11g database using a CLOB column in A Oracle 11g database located in a different server. What are the different ways to do that? and which is the best and ...
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2answers
3k views

Trouble setting up Nagios to monitor Oracle services

I've got an install of Nagios XI that doesn't seem to want to talk to any of my Oracle services here. I've pulled out the monitoring command and am running it manually, after setting ORACLE_HOME and ...
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1answer
69 views

Difference between alert log and archive log in oracle databases

I don't know anything about oracle databases. Actually I'm asking this question for my friend (He currently doesn't have access to internet!). He wanted to know that what's the difference between ...
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1answer
34 views

Graphical user interface to change data capture on Oracle [closed]

I'm learning how to implement change data capture in Oracle. However, not being a DB specialist but rather a developer, I find the process tedious with respect to other things that I have to do. I end ...
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0answers
95 views

Oracle - Slow queries without prepending schema name or providing hint

I am logged in as the schema owner in Oracle 11gR2 on Linux. I have 55 million rows in table. select max(col) from table; - takes 300 seconds (index full scan) select max(col) from schema.table; - ...
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votes
2answers
47 views

Selecting minimum value in top grouping only

I have a query built in Oracle 10 which produces a set of data like this: EMP_ID WORK_DT TIME_TYPE ---------- --------- --------- 12345 19-DEC-14 10 12345 18-DEC-14 10 ...
9
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5answers
11k views

Cannot drop nonexistent constraint and cannot create it either

While testing some migration scripts with a copy of production data (scripts run fine with development data) I found a curious situation. A CONSTRAINT has changed so I'm issuing DROP + ADD commands: ...
0
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1answer
575 views

Export, based on query, into INSERT text file

I need to export some data into a file. The data are selected with a query that will often be made of multiple joins. I want the import operation to be as easy as possible. I was thinking of building ...
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2answers
72 views

How to compare an Oracle database with a Postgresql database?

We are currently migrating an Oracle database 10gR2 to a Postgresql database 9.3. Thanks to Hibernate, all tables can be recreated seamlessly. However, the Oracle database is huge. We are going to ...
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2answers
53 views

SQLPlus : default define settings

My workstation is Ubuntu 14.04. I have Oracle Express 11g installed. Whenever i run the define command in SQLPlus, is see the define _editor = "ed". Is there a way to change that permanently to gedit ...
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1answer
180 views

Can we migrate oracle database 10gR2 to cross platform

I want to know can we migrate Linux based oracle database 10gR2 (10.2.0.1.0) to windows server 2003 with oracle database 10gR2 (10.2.0.3.0). I have seen the documentation related to database migration ...
0
votes
1answer
37 views

How to unify three separate tables having same data, same columns but tuples in different languages. Only one key(caption) is common to all

This needs to be done in order to complete the unification of many tables present in different databases with different languages. (Part of Dictionary Management, will have caption and messages where ...
0
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1answer
38 views

Oracle Golden Gate error 00146

I am deploying Oracle Golden Gate to sync data from Sql Server 2008 to Sql Server 2008. One of the extract process have stopped.This is the error: 2014-12-21 17:22:09 ERROR OGG-00146 Call to ...
3
votes
0answers
481 views

Use LDAP for name look up with Oracle Instant Client

Partly as a result of having problems with conflicting versions or bitness with the full installation of Oracle client, my development team (of which I'm a member) has been moving towards using Oracle ...
0
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1answer
44 views

Oracle SQL Statement alter index and add partition

I have an index in which I have to remove one column and reindex back for rebuild: ALTER INDEX <index_name> REBUILD; Is it possible to add partition when I rebuild an index. Partition will ...
0
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1answer
713 views

How to count number of rows inside Oracle dump file?

I have a huge (38Gb after bzip2) Oracle EXP dump file. It contains one table. Such big dumps usually end up with an error, but in fact contain the full table. Earlier I was importing these tables ...
0
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1answer
111 views

Expdp with metadata_only gives way too large dump. Why?

There is an oracle 11g schema with amount of data about 700 Gb. There are tables/indexes only in that schema, no procedures/packages. Doing expdp on that schema expdp schemas=TheSchema directory=dir ...
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1answer
37 views

Need help in incrementing the date in oracle

Error thrown as "Invalid number" while trying to increment the date. Given below is the query executed through sqlplus. Please help me on this. select ''''||to_date(:To_date, 'dd-mon-yyyy')+1||'''' ...
0
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1answer
26 views

How to find out who is active and locking the oracle database?

At work, we are sharing oracle credentials among many developers. Often time team runs heavy adhoc queries on the database and it is causing lot of trouble to oracle server. We are working to fix ...
0
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1answer
25 views

Enumerate Oracle tables in PLSQL

How do you run a query to list all tables, or all tables where tableName like '%abc%'. Just poking around, I tried the following with no success: select * from SYS.TAB$ select * from SYS.OBJ$ ...