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) ...

learn more… | top users | synonyms

0
votes
1answer
2k views

Can't connect to a Oracle db instance via SQLDeveloper

When I set the connecting information on the GUI in SQLDeveloper I get the following error (everytime!) Status : Failure -Test failed: IO Error: The Network Adapter could not establish the ...
0
votes
1answer
95 views

How to perform same DML statements on two different servers (Oracle and SQL-Server) simultaneously

I have two servers, Oracle and SQL-Server. I have same database on both the servers. I want to perform DML (insert,update,delete). How can I perform same DML statements on both the servers ...
0
votes
0answers
11 views

Configure Oracle DB to store backups on External Storage [on hold]

How can we Configure Oracle DB to store backups on External Storage ? Oracle DB is a vm machine on ESXi Host Let me know if you need more details. Please advise.
0
votes
0answers
13 views

Oracle Linked Server only works with Sql Login

I'm having this weird error for some time. When I login to sql server and use the linked server SELECT * FROM OPENQUERY(MEGA, 'SELECT 1 FROM DUAL') I receive this error OLE DB provider ...
2
votes
1answer
1k views

Insert into table from a query to a linked database hangs

I have a schema with some database links to other schemas that we use to pull data from. We pull the data into a staging table, massage it, and then do some merges into our schema/database. The data ...
0
votes
0answers
29 views

split string into multiple rows with multiple columns [migrated]

I have a string with user information. I have to write a function that takes string as input and inserts into some table. Input string contains multiple rows with multiple columns like following: ...
1
vote
1answer
22 views

Migrating Oracle to MySQL: MySql Workbench Not Available

I am currently trying to migrate information from a query of a remote Oracle database to a local MySQL database. I have poked around and have found it has been frequently suggested to use the ...
0
votes
2answers
7k 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
votes
0answers
78 views

Why am I able to query a remote database without a dblink?

While researching a security concern, I discovered that users are able to query a remote database without the need of a dblink. However, this was only true for databases that had no value for ...
0
votes
1answer
47 views

How to quickly increase column size in Oracle?

In our Oracle 11 database we have a table with more that 100 million rows and we would like to increase size of one column (not used in any index). I tried to execute command alter table shipment ...
1
vote
4answers
5k views

Oracle 12c create user

I have some problem with creating user in Enterprise Oracle Database System. A could'n create user using command like create user name identified by password; because of exception: ORA-65096: ...
0
votes
2answers
543 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 ...
1
vote
1answer
30 views

Restrict Oracle DB Login based on SQL Client being used

We have an application in our organization that is based on Oracle Forms 11g (on Oracle Fusion Middleware/WLS). Users have access to the application through accounts created at the database (i.e. they ...
0
votes
2answers
38 views

Join multiple Tables by date

i got some problems on my approach to join a couple of tables by a date range. This are my tables: RETURNS: RETURN_DATE RETURN_AMOUNT 02.05.14 2 02.05.14 3 02.05.14 1 ...
0
votes
0answers
27 views

Character set for 11.2 version database in oracle for sql* loader

NLS_NCHAR_CHARACTERSET AL16UTF16 NLS_LANGUAGE AMERICAN NLS_TERRITORY AMERICA NLS_CURRENCY $ NLS_ISO_CURRENCY AMERICA NLS_NUMERIC_CHARACTERS ...
0
votes
1answer
3k views

Oracle installation requires old rpm versions, what to do?

I am installing Oracle 11g R2 on OEL6. I run the following command, for to check only prerequisites ./runInstaller -silent -responseFile /0/grid/response/crs_install_mk.rsp -executePrereqs It ...
0
votes
1answer
95 views

ORA-39244:Event to disable dropping null bit image header during relational select

I was trying to import a dump file using IMPDP command and has end up with the following errors: ORA-31626: job does not exist ORA-31637: cannot create job SYS_IMPORT_FULL_01 for user user1 ...
0
votes
1answer
121 views

Linking Oracle 10g XE with SQL server using ODBC

I am connecting Oracle 10 XE with an SQL server 2008 using ODBC in windows 7. I have successfully done following steps: Configured ODBC and test it, runs ok! Configured listener in tnsnames.ora and ...
0
votes
2answers
28 views

Oracle SQL Creating Copy of Table Using DBMS_metadata

so I am trying to create a copy of a table using dbms_metadata. I know you can get the DDL of a table by executing DBMS_METADATA.get_DDL('Table','TABLENAME') so my question now is how can I use this ...
2
votes
1answer
526 views

How do I identify the remote db agent name to use in create_database_destination on Oracle 11gR2?

I am trying to setup DBMS_SCHEDULER in Oracle 11g to run a remote database job. I have a remote Oracle 11g R2 database on unix and a local one on Windows. I read that you can install the oracle ...
0
votes
1answer
694 views

Invalid date format in SSIS

I am using BIDS to export data from Oracle to SQL server. I am using OLEDB source and destination. I have around 6 datetime fields in ORACLE out of which two fields give no problem while 4 fields give ...
1
vote
1answer
158 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
21 views

Check attribute table referenced foreign key

I have two tables a and b like this: a: id, type b: a_id, ... There is a limitation for which the references of a in b can only be those which have type equal to a limited set of values. Is it ...
0
votes
2answers
189 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
47 views

Behavior of Oracle During Very Large Transactions

I understand that if a transaction is large enough to overflow all of the redo logs on an Oracle database, and the database is in ARCHIVELOG mode, the transaction will wait until the archive log file ...
0
votes
1answer
202 views

Oracle 11g r2: Cannot create partition on timestamp field

I have data with a timestamp field of the form '2014-01-01 00:00:00.99' in one of the columns. I want to create a new partition for the table every month. For this I did something like this. CREATE ...
0
votes
2answers
96 views

How to prevent users other than DBAs from creating database links

To begin, please keep in mind that I am a very green DBA. I have done prior research and have not really found anything too promising, or maybe it just seems that way because I am still struggling in ...
0
votes
0answers
12 views

How to use DMBS_LDAP to select 3 attributes for selected entries

I'm attempting to use DBMS_LDAP to create a procedure in Oracle 11.2.0.2.0 that ultimately updates an employee table from active directory. The attributes I want are sAMAccountName, GivenName, and ...
0
votes
1answer
38 views

How to directly query other user tables

I am trying to learn Oracle database and I am having difficulties on importing a backup file with impdp command. I googled deeply but couldn't find answers to my problems. What have I done until now ...
0
votes
1answer
18 views

Reusing views to do aggregate queries [closed]

I have created some views which give me some values. So some thing like the following select from a table of all ids gives me some thing like id1 id2 id3 id4 view1 gives me id1 2 id1 1 id1 3 ...
0
votes
1answer
40 views

Oracle Full Client / Database Client package locations

I need to install multiple versions of the Oracle client on an app server for an automation project. The platform I'm looking for in specific is Linux, 64 bit. Oracle's network of websites are a maze ...
0
votes
2answers
69 views

Best practices for generating a tnsnames.ora entry

I need to integrate some scripts that export and import data from Oracle databases. They are shell scripts that rely on the TNS name being set up (e.g., scott/tiger@tns). The application owners are ...
0
votes
2answers
72 views

Is there any other way that we can take auto backup in oracle 11g apart from RMAN?

I have tried with RMAN. But is there any other possible way that we can backup database and tables. backup using queries or stored procedures is possible?
0
votes
2answers
2k views

SQL Server to Oracle export using Microsoft OLEDB Provider for Oracle

I am trying to Export Data from SQL Server to Oracle using the "Microsoft OLEDB Provider for Oracle". I am using "Export Data..." option from Task menu. I get to connect to the source database (SQL ...
0
votes
1answer
2k views

Cannot create an instance of OLE DB provider “OraOLEDB.Oracle” for linked server

i am having a bit of a linked server problem . I created a sql server linked server and it's been working fine for last 2 years and suddenly not working . SQL Server Microsoft SQL Server 2005 - ...
5
votes
5answers
9k views

PL/SQL: best way to count elements in an array?

Given this: DECLARE TYPE T_ARRAY IS TABLE OF VARCHAR2(2000) INDEX BY BINARY_INTEGER; MY_ARRAY T_ARRAY; V_COUNT INTEGER; I would like to do: BEGIN -- ... some code filling the MY_ARRAY ...
0
votes
0answers
67 views

Reviewing ways to generate monthly tables using PL/SQL automatically

I am attempting to automate a set of tables that my colleagues produce monthly, using PL/SQL. The set of tables contain data about different metrics (e.g. Customer revenue, customer demographic ...
0
votes
2answers
45 views

Why the Order by clause avoid index scan and taking long time in Oracle 11g

I am facing problem on query when i run with ORDER BY clause it perform TABLE ACCESS and at the same time if i comment the ORDER BY clause then the query start using index . Anybody answer me why ...
1
vote
0answers
38 views

Fast restore of dropped partitions

I want to test the restore of errorneously dropped partitions of a subpartitioned tables. This restore would consist of three steps: restore the database (or at least the necessary tablepsaces) to ...
2
votes
2answers
784 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 ...
0
votes
1answer
22 views

Which parameters and metrics to look at when CDC based replication is causing high load?

I'm investigating the reasons why a Tungsten Replicator extractor is causing heavy load on an Oracle 11g database. The replication is set up to use synchronous CDC and there is no unusual load while ...
1
vote
2answers
118 views

Restoring an Oracle Backup Properly

I've been trying to do a proper restore of a database for weeks now and I'm convinced that I'm doing something simple wrong. I took a cold backup of the database before an update to an application ...
0
votes
0answers
9 views

Oracle In-Memory POPULATE_STATUS does not change to completed

I'm experimenting with the Oracle In-memory options for BI purposes, when I'm trying to populate one table to in-memory in the v$im_segments the POPULATE_STATUS does not change to completed, for other ...
3
votes
1answer
3k 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 ...
0
votes
1answer
482 views

Oracle: Table or View does not exist in Tree

I have set up a Oracle 12c database for students. The goal is that each student has access only to his own scheme where he/she can create tables, views, indexes, etc. I set up the accounts using ...
1
vote
0answers
40 views

ORA-01034: ORACLE not available ORA-27101: shared memory realm does not exist Process ID: 0 Session ID: 0 Serial number: 0 [closed]

When I tried to open a SQL connection in my command prompt I got the above exception. Can anybody tell me the solution please? I am using Oracle 11g, Windows 7 environment. I just downloaded and ...
2
votes
1answer
3k views

Oracle program “lsnrctl” is missing after the installation of 32bit Oracle client

I cleaned up my computer for all old Oracle stuff using Uninstall (OUI) and then later used regedit to delete all references to Oracle and then deleted all remains of Oracle directories. I have HP ...
2
votes
2answers
737 views

How to disable flashback query logging for a specific table (Oracle)?

We have a specific table that has a lot of activity and it creates a lot of change records. The consequence is that the flashback data only goes back a couple of days. That is OK for many cases but it ...
0
votes
1answer
1k views

ora-12705 cannot access NLS data files or invalid environment specified

I have i'm installing oracle in machine 12c, while installing everything goes smoothly but when it reach to database creation it passes two step. cleaning up failed stat copying database file ...
1
vote
1answer
36 views

Is there a way to get disc space remaining using an SQL query on an Oracle database?

We experienced a problem recently where the disc space ran low and some queries started giving unpredictable results. The root cause was that we'd take too many restore points and filled up the disc. ...