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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1answer
138 views

How to move 200 materialized views without having to re-create in the new home

I am moving a database with 200 materialized views into a new server. All of them are 'fast refresh' materialized views , means they have corresponding materialized view logs, in this case sitting on ...
0
votes
1answer
98 views

Oracle 10gR2 - fix for SSL version following Poodle attack

We use Oracle utl_http to send https requests from within our database (10gR2). As SSLv3.0 is now considered insecure (POODLE) we need to upgrade to TLS. How can we ensure TLS usage when sending ...
0
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2answers
413 views

“sqlplus as sysdba” startup error

My setup: Oracle 11g 32G RAM 8 CUP threads Three oracle instances have been running. But running this: sqlplus "/as sysdba" gives me a prompt: Connected to an idle instance. When I issue ...
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0answers
11 views

Graphical user interface to change data capture on Oracle

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
13 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 ...
1
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2answers
2k views

Oracle query is slower the second time

I have a general question about something I'm seeing in performance tuning in Oracle. I have a query that I'm testing. It's too big and complex for me to provide a simple example, sorry! (I tried ...
0
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2answers
5k views

TNS-12535: TNS:operation timeout

I have Windows Server 2008 R2 with Oracle Client 11.1.0.7.0 client installed. TNSPing to 100% available databases (accessible from other machines, i.e. I can do TNS ping to these databases from other ...
0
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1answer
362 views

Oracle 12c SYSTEM user locked out

We have a development Oracle 12c database and the SYSTEM user account is locked out for one of the SID's (works fine with another SID). When I try to do a conn SID / as sysdba it keeps connecting me ...
0
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0answers
59 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; - ...
3
votes
2answers
36 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 ...
0
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1answer
67 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 ...
9
votes
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
votes
1answer
483 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 ...
0
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2answers
67 views

Split a string in different columns on basis of no of spaces

i want to split a string in different columns in the following manner through oracle Input String: hello how are you doing Output: hello how, how are, are you, you doing please help guys.. !! ...
0
votes
2answers
155 views

Database is slow once in a while

I am executing a web service for 100 times. The average response time of this service is 1.5 seconds. But when I look at the response time of each execution individually, there are a few executions ...
0
votes
1answer
675 views

Oracle Enterprise Manager - Where do I find the error logs?

I'm not familiar with oracle management. The problem is when I try to connect to the enterprise manager through the Web browser I get this error: In english: "Internal Error has occurred. Check ...
0
votes
2answers
50 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 ...
0
votes
2answers
30 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 ...
0
votes
1answer
98 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
24 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 ...
-2
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0answers
12 views

Error APP-AR-294094: An Unexpected error has occurred [on hold]

![enter image description here][1]This is my environment : Solaris Version 10; Sun OS Version 5.10 Oracle Database Oracle Database Enterprise Edition Version 11g (11.1.0.7.0 ) Release Name ...
0
votes
1answer
17 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
1answer
56 views

Oracle Data Pump Import with running advanced replication

In our system we have a running advanced replication between two databases(11g release 2) and want to use pump import to import a backup on one site. However the imported data is not replicated to the ...
5
votes
1answer
295 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 ...
3
votes
0answers
373 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
votes
1answer
30 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
votes
1answer
640 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 ...
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votes
0answers
9k views

IO Error: The Network Adapter could not establish the connection - with Oracle 11gR2. Connecting with SQL developer [on hold]

I have installed Oracle 11g ON a RedHat6 linux instance, by following all the steps mentioned in "http://technologylair.net/2013/08/oracle-11g-installation-linux/#comment-50" I am trying to connect to ...
0
votes
1answer
533 views

Oracle Enterprise Manager Installation

First I install oracle 11g database with this configuration Step 2 of 9 I selected Create and configure a database Step 3 of 9 I selected Desktop Class Step 4 of 8 Global database name: Blitz ...
0
votes
1answer
81 views

Insert Into does not work with multiple rows

Here Is my code : CREATE OR REPLACE TRIGGER LOAN_RP AFTER INSERT OR UPDATE ON FUND_DISBURSE REFERENCING NEW AS NEW OLD AS OLD DECLARE V_FA FUND_DISBURSE.FUND_AMT%TYPE; V_RC NUMBER ...
1
vote
2answers
2k views

Create Oracle DB LINK to a database with no DB_DOMAIN

I'm trying to create a database link between this two DBs. My local DB is 11.2.0.3. SQL> select * from global_name; GLOBAL_NAME ...
0
votes
1answer
219 views

How to create and start a PDB for RCU in Oracle 12c

So I've made a fresh install on a virtual machine based on OEL 6.5 x64. All my installs are in /opt/apps I installed a Oracle Database 12c, with the Desktop Version selected (not server), UNICODE ...
1
vote
1answer
225 views

How do I delete a file that has been locked by UTL_FILE?

I wrote a flakey PL/SQL script that crashed out and forgot to close the file handle (type UTL_FILE.file_type). Now I can't delete the file. Short of restarting the instance or rebooting the box, is ...
0
votes
0answers
21 views

Getting ORA-01031: Insufficient Privileges when logging in using Toad

I am having an issue when I attempt to login via Toad(version 11.6) to a newly create 12c database using the system account. When I enter my credentials and attempt to connect I receive the error ...
0
votes
1answer
83 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 ...
0
votes
1answer
28 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
votes
1answer
663 views

Wallet open failed

I have a oracle server installed in a machine and e oracle client on another machine. I have created a wallet using this commands C:\Users\MRBULL93>mkstore -wrl C:\VideoWallet -create ...
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votes
0answers
37 views

Equivalent data types in Oracle database for SQL Server 2008’s uniqueidentifier and timestamp

I am working on SQL Server 2008 R2, and I have data types which is specific for SQL Server, including: UniqueIdentifier Timestamp Now I want to deploy my asp.net mvc 5 web application on an ...
1
vote
0answers
59 views

What is more important for Oracle DB performance, number of cores or memory size? [closed]

Oracle has quite drastic licencing policy based on the number of cores. Can we save by providing a server with less cores, but more memory? Or is the number of cores the most crucial factor for the ...
0
votes
1answer
69 views

Results of SAMPLE clause using a DBlink between 2 Oracle databases not randomised

I'm using the SAMPLE clause to retrieve random rows from a table. It works fine except when the table is from another database. I'm using a database link between 2 Oracle 11g databases (11.2). This ...
0
votes
2answers
100 views

What is the easiest and best way to migrate data from Oracle in Linux Platform to SQL Server in Windows Platform?

I came to know there is a tool called Microsoft SQL Server Migration Assistant v5.3 for Oracle which can be used to convert the Oracle database to Microsoft SQL. But I have Oracle database in Linux ...
1
vote
1answer
136 views

How to export a MySQLtable with a longBLOB column to an Oracle database?

In MySQL I have a table: Select * from Dummy; Columns like below: id name salary binary_col 1 a 100 A.pdf 2 b 200 b.pdf 3 c 300 c.pdf 4 d 400 d.pdf 5 e 500 e.pdf ...
0
votes
2answers
699 views

ORA-02049 and ORA-02063 Errors

Select For UPDATE NOWAIT is performed on a table by 20 processes in parallel The error below is returned by the 4 processes out of 20 (16 processes are successful) SQL_UPDATE_ERROR- : SQL update ...
0
votes
1answer
13 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 ...
4
votes
1answer
698 views

Ports necessary for Oracle 11g Replication across a firewall?

We have two Oracle 11g Enterprise Edition servers that need to replicate data via Oracle streams. However, the two servers are on untrusted domains and connect via a VPN. On end of the connection is ...
2
votes
1answer
209 views

Database design for a table with both bulk insert and single row insert

I have to design a table where records will be inserted in two ways. Bulk insert from a batch process from a delimited text file between 2 - 3 million rows in a short burst. Later the same records ...
0
votes
2answers
108 views

How to know my DB user?

I use the PL-SQL developer tool. I log in by using Prodcollops as user name to access the database. How can I find out if my DB user is Prodcollops, too, or if it is just a login name?
0
votes
1answer
19 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$ ...
0
votes
1answer
30 views

JDBC pooling Oracle driver Socket read timed out

I run Java EE application on Glassfish server v3 together with Oracle 12 DB on the same machine under Windows Server 2012 64bit. I use latest ojdbc7 driver. Connection pool config: ...
3
votes
1answer
2k views

Why ORA-00932: Inconsistent Types error?

Sorry for the meaningless title, but I couldn't think up a better one. I'm using Oracle 11g r2. The following query raise ORA-00932 error: SELECT BBB.FIELD1 FROM TABLE0 AAA JOIN (SELECT * FROM ...