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Our production Oracle Database version is 10g.
I am trying to install either 11g or 12c on my local machine primarily to access sqlldr.
I am wondering if there are any compatible issues.
Metalink has the definitive client/ server compatibility matrix. It will depend on the full version of the target database. Assuming "10g" means 10.2.0.2 or later, you should be fine with a 12.1 client. If the database is running something earlier than that, you'd generally need an earlier version of the client to be safe.
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I find myself in a position to work on Oracle Express for a project. Just curious will it continue to work with given provider in enterprise edition?
Is there any difference in Oracle provider for Entity Framework between Oracle Express & Enterprise Edition 12c?
Yes, it will work. ODP.Net (managed and unmanaged) can connect to all versions of Oracle and also to any platform. A good starting point to read is the Oracle Data Provider for .NET FAQ
And no, there is no difference.
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I have Oracle JDK7(JavaSE Hotspot Embedded JRE) and OpenJDK7(Cacao,JamVM,ZeroVM).
Platform is : PPC32 Embedded Platform (e550)
I have run simple prime number java application with both java.
As coclusion Oracle JRE is much faster than open jdk with cacao or jamvm or zero VM.
I am looking to improve the execution speed with openjdk. Need the excecution time same as oracle JRE.
How can I improve the execution speed of java application (single or multithread).
Which are the component different in Oracle and Open JDK.
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I'm using mysql as xampp(linux) component for my development works for a long time. But I wonder if I can use Oracle as my database. If I can which version should I choose that will fulfill my needs of production level development.
Also I've heard Oracle EE requires money for licensing. What facility they provide by licensing Oracle DB? Can it be used for development?(I'm just curious)
Oracle provides Oracle XE (Express edition) free for developer use which allows you to create and use databases of up to 4GB, use up to 1GB of RAM and use only one CPU. Anything more you gotta pay for it
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The java version of my oracle database is 1.5.0_10.
How do I upgrade it to java 1.7.0_10
Thanks
It's not possible; Oracle supplies a certain version of Java with a certain version of the DBMS, specially modified to run "within" the DBMS. It can only be upgraded by Oracle as part of a new version or a patch release of the DBMS.
See for example this discussion: https://forums.oracle.com/forums/thread.jspa?threadID=2300779
If you mean the internal JVM, I believe that it is not upgradeable.
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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