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Can we convert PostgreSQL (database and dump) to Oracle without lose information and without using another application from the Internet?
Yes, you should export PostgreSQL database in plain SQL format with something like:
pg_dump --column-insert database > database.sql
and adapt the generated SQL file to Oracle.
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i got a error - test failure:io error: the network adapter could not estailish the connection while i am creating database in oracle sql developer. Please tell me any solution to fix it.
You need a database to connect to.
Oracle SQL Developer is just the client. You need a server too.
Some ideas on how to quickly get one of those database things here.
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Hi DBA's,
I have a query. I am using below query to save the state of PDB's but it works only when CDB is in open state but fails in case of open read only. Even in case of open ready only the PDB's might be in read only or mounted state. Is there any work around or am i missing something?
"ALTER PLUGGABLE DATABASE ALL SAVE STATE"
Thanks for your help
The container has to be open for write otherwise the save state cannot be "saved" within the containers meta data.
also, can only save the state of READ ONLY or READ WRITE (not MOUNTED) pluggable databases.
finally, this function is only available in 12.1.0.2 (not 12.1.0.1)
hope this helps
Dave
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I am using Oracle SQL Developer, I connect to my friend's DB and use it. Now I want to have a copy of this DB on my own PC to change it and test something. I installed Oracle. now how I can do this?
You can make use of Oracle Datapump.
Note. Oracle uses the term "schema" where for example mysql uses the term "database".
At your friend site:
expdp userid=system directory=DATA_PUMP_DIR dumpfile=myschema.dmp logfile=expdp_myschema.log schemas=MYSCHEMA
At your site:
impdp userid=system directory=DATA_PUMP_DIR dumpfile=myschema.dmp logfile=impdp_myschema.log
Best of luck,
Bjarte
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I need to set up a DSN to connect to an Oracle db from R. I know that I have oracle clients install, because I can connect Oracle databases using PL/SQL. When I open Control Panel->Administrator Tools->Data Sources, I dont see Oracle in there. I only see Sybase, MSSQL and excel. How do I add Oracle under System DSN so that I can create a dsn to connect to an Oracle db?
Try downloading the Oracle ODBC Driver
http://www.oracle.com/technetwork/database/windows/downloads/utilsoft-098155.html
I know when i used to install oracle for a program i would do custom install then under Oracle Windows Interfaces select Oracle ODBC Driver
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A have some step by step description where downloading of OracleXEUniv.exe is one step.
But I cannot find what is it for? What is functionality of this file?
Than you.
OracleXE is the free version of Oracle's main database product. The "Universal" simply means it will install using the Universal character set instead of the Western European character set.
Oracle Database Express Edition (Oracle Database XE) is an
entry-level, small-footprint database based on the Oracle Database.
It's free to develop, deploy, and distribute; fast to download; and
simple to administer.
http://www.oracle.com/technetwork/database/express-edition/overview/index.html