The dblink tag should be used for questions that concern accessing data that exists on a different database, possibly on a different server.

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Connecting Oracle 11g to Postgres via dblink

I have administrator access to our Oracle database , but was wondering if its possible to connect an Oracle 11g database to Postgres database and if so, what steps would I need to follow. I've seen ...
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1answer
45 views

Why can't I restore the DB from an SQL dump in PostgreSQL 9.4 (problem with dblink)?

I have created a dump of a DB using: pg_dump db_name > db_dump.sql and proceed to restore it with: psql --single-transaction db_name < db_dump.sql Prior to attempting to restore the DB, I ...
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2answers
125 views

Connect MariaDB and Oracle XE

I got an existing MariaDB running on a CentOS 7, I want to add a reporting layer on top of it, I therefore installed an Oracle 11g XE with APEX 5. My goal is to link those two databases in order for ...
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1answer
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Want to remove global_name from DB links (Oracle 11g)

I am trying to call remote function via DB LINKS. However, My global name contains the string ON and I believe it causes an error. The Error I have is ... SQL> var tmp varchar2(2); SQL> ...
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1answer
1k 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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2answers
2k 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 ...
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2answers
872 views

query to find all dblink()

Besides manually searching for all the dblink() used in triggers/functions/stored procedures is there a way to query for this information? Example: There is a dblink inside of a trigger, can I select ...
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2answers
246 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 ...
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5answers
489 views

What is a DB Link good for? [closed]

Here is defined what a DBLink is but I really understand for what kind of situations you need it? What I could imagine is a situation where I have a limited (in size like sql-server express) ...
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1answer
710 views

transactions and Oracle dblink

I have 2 dbs, let's call them writedb and readdb. Readdb has a dblink to writedb and a view to a table over that dblink. I do an update on writedb to that table which view points to and then read ...
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1answer
213 views

ORA02063 error while connecting to remote databse

I have connected to remote database using DB link. From prod databases it works fine but from test env reporting error invalid username/password. Please help.
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1answer
228 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 ...
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0answers
178 views

Multischema view for postgres , querying multiple databases

Im managing SaaS app where each customer has a separate database (Postgres 9.3) . I need to figure out the best way to aggregate and query this data ( READ-only ). I know postgres has problems with ...
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2answers
9k 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 ...
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1answer
669 views

How to avoid hardcoding a database link name in a package body

I have a PL/SQL package that copies data from a remote DB2 database using a database link. To keep the package configuration-independent I wrapped the remote table in a view. But a single field in a ...
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2answers
2k views

Alternatives for Dblink in oracle?

we have an SSIS job that inserts data into a table in server A from data in table which is located in some other server B. For this,we are making use of dblinks to connect to other database . But, ...
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1answer
2k views

Setting up DBLink between two Sybase Databases

I am having dificulty finding anything on the net on this subject. I am tasked with creating a DBLink between two Sybase Databases. At the moment it's not yet clear if they will be on the same server ...
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0answers
229 views

plsql procedure gets invalidated

procedure involving dblinks gets invalidated regularly .we need to recompile every time.How to find what is causing the problem in my case procedure p1()--resides in db1 is begin .... select col1 ...
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2answers
10k 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 ------------------------------------------------------------------...
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1answer
915 views

PostgreSQL dblink password encrypted or not?

I have two PostgreSQL servers: server 1: 192.168.0.1 server 2: 192.168.0.2 I want to connect to the database on server 2 from server 1. I do it like this: SELECT dblink_connect('hostaddr=192.168.0....
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1answer
2k views

Problem using merge into a remote table over dblink

I'm attempting to perform a merge into a remote table, let's say on server A (over a dblink), using a local table on server B. Source and target databases are both on Oracle 10.2.0.3. We already have ...
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2answers
601 views

How to call Oracle's stored procedure from DB2 stored procedure?

I am new to writing stored procedures and wondering if it's possible to call a Oralce' stored procedure from DB2 stored procedure. I have a scenario where a trigger on a DB2 table will invoke a DB2 ...
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1answer
903 views

PostgreSQL: DBLink weird permission/connection error

The goal is to (1) create a connection, (2) return a view of another database, and (3) close the same connection all to be stored in a view (no stored procedure or embedded password). I came up with ...
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0answers
551 views

Calling a function in remote database inside a stored procedure

There are 2 Oracle databases with pseudo names Remote and Local. I have a function in Remote called FUS.F_Return_10 which simply returns 10 for testing purposes, where FUS is a schema name. In Local I ...
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3answers
693 views

Altering same table across multiple databases

I have multiple databases on the same instance and I am in the process of updating a table schema that must propagate across all the databases. I am not sure I know what the right procedure for this ...
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0answers
953 views

Connection to MS Access from Oracle over a DB Link

I need to establish a connection between a MS Access database, which is placed on a network share on a windows box, and an Oracle database on a Unix Box. I need to query the Access tables from the ...
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141 views

Optimization of an Oracle query

I have a view which is accessed via DBLink in Oracle. This view is made up of different tables. Now we have to execute queries on this view. Example: Select * from Viewname@dblink where columnname='...