Separate tablespaces for indexes and LOBs

I have modeled my db tables with jDeveloper. Now I would like to store my tables in default tables, my indexes in a separate tablespace, and LOBs in a 3rd tablespace.
How can I best add the tablespace definitions to the table creation sql? I can't find such functionality in jDeveloper.
If jDev does not support this, does Oracle have some other tools which could do this?
Or can I set some ALTER SESSION parameter before creating the tables which would make my indexes and LOBs go to the correct tablespaces by default?

I see jDeveloper 11g has a possibility for specifying tablespaces for the tables and LOBs.
I cant figure out how to set tablespaces for indexes though. I can tell there is definately no way to set tablespace settings for primary key / foreign key indexes.
So jDev 11g does not seem to solve my problem either.

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Import dumpfile with seperate tablespaces for table and index

Hi,
We have a schema for which the its tables are stored in seperate tablespace and indexes are stored in different tablespace. Now we have take full schema export. Now we want to import it on another schema. Now I want to know if the we have difference in the tablespace name we use REMAP_TABLESPACE clause of the impdp command but what about the seperate tablespace for table and indexes. How would Oracle handle this.
Regards,
Abbasi

Hi,
I hope you created the same tablespace structure on the target side if not so remap_tablespace option you have to use for specifying different tablespaces.Oracle will take care of putting data and index.Any how if a index is moved from one tablespace to other you have to rebuild them,once you rebuild them than only stattistics are gathered otherwise you
might face some performance issue.
Better option is to keep same tablespace structures in source and target environment.
Best regards,
Rafi.
http://rafioracledba.blogspot.com
Edited by: Rafi (Oracle DBA) on May 9, 2011 7:07 AM

I have Adobe Photoshop Elements 10 and Adobe Premier 10 loaded on a Dell PC. Do I need to uninstall from the Dell before I install on a recently purchased Apple Mac Pro? There are separate disks for Mac and PC in the package.

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Using large block sizes for index and table spaces

" You are not using large blocksizes for your index tablespaces. Oracle research proves that indexes will build flatter tree structures in larger blocksizes.
Is this a generic statement that I can use for all tables or indexes? I also have batch and online activity. My primary target is batch and it should not impact online. Not sure if both have common tables.
How to find the current block size used for tables and index? is there a v$parameter query?
What is an optimal block size value for batch?
How do I know when flatter tree str has been achieved using above changes? Is there a query to determine this?
What about tables, what is the success criterion for tables. can we use the same flat tree str criterion? Is there a query for this?

user3390467 wrote:
" You are not using large blocksizes for your index tablespaces. Oracle research proves that indexes will build flatter tree structures in larger blocksizes.
Is this a generic statement that I can use for all tables or indexes? This is a generic statement used by some consultants. Unfortunately, it is riddled with exceptions and other considerations.
One consultant in particular seems to have anecdotal evidence that using different block sizes for index (big) and data (small) can yield almost miraculous improvements. However, that can not be backed up due to NDA. Many of the rest of us can not duplicate the improvements, and indeed some find situations where that results in a degradation (esp with high insert/update rates from separated transactions).
I also have batch and online activity. My primary target is batch and it should not impact online. Not sure if both have common tables.
How to find the current block size used for tables and index? is there a v$parameter query?
What is an optimal block size value for batch?
How do I know when flatter tree str has been achieved using above changes? Is there a query to determine this?
What about tables, what is the success criterion for tables. can we use the same flat tree str criterion? Is there a query for this?I'd strongly recommend that you
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2) define you problem in detail ()what are you really trying to accomplish - seems like performance tuning, but you never really state that)
3) define the OS and DB version - in detail. Give rev levels and patch levels.
If you are having a serious performance issue, I strongly recommend you look at some performance tuning specialists like "http://www.method-r.com/", "http://www.miracleas.dk/", "http://www.hotsos.com/", "http://www.pythian.com/", or even Oracle's Performance Tuning consultants. Definitely worth the price of admission.

Set tablespace for index in OWB

It is Monday and I must just be missing where you can set the tablespace for an index in OWB 11gr1

Hi,
in table Configuration properties (under Indexes section) you can set tablespace for each table index
Regards,
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Are going to buy a Mac Pro soon - which will be used for graphic artwork and Windows games. Today I have a Mac and a PC - for the same purpose - and now I want to build the Mac Pro with a harddisk for OSX - and another harddisk for Windows (XP or Vista). Is it possible to have 2 separate HD's (or more) with each systems using the standard setup by Bootcamp - or do I have to make a partition on the OSX HD and then install Windows there?
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BR FLASH

Boot Camp will allow you to
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Boot Camp web page you can actually see it in a
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http://www.apple.com/bootcamp/
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If you are sure there is no way around OK but sometimes someone knows a solution. I'm not saying I do, just that sometimes someone will pop their head over the parapet with the answer.
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Hello all
I am moving to Macbook Pro (previous gen) with Logic Studio after years of PC (feel like I’m standing on the edge of a precipice staring anxiously down!). Will be looking to use it live in our 3-piece band to run existing MIDI Files and live triggered BFD drum samples
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Clive

My opinions:
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Message was edited by: jdredge

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Hello people!
In Mac Guru's "Guide to Macintosh Performance Acceleration" it states " Separating your "User" data from the Operating System and Applications is the simplest and most cost effective way to enjoy a significant performance boost at
minimal cost"...
Now how exactly do I do that?
I have a 40 GB HD with Panther on it and a 55 GB drive I want to use for the "data" drive. What goes where?
Thanks for reading!

Hello Danny:
Welcome to Apple discussions.
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Barry

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We have an xServe with 3x1Tb drives set up as RAID 5. I read in one of the forums that it's not a particularly good idea to create separate OS/Apps and data volumes on it. Is there a way therefore of utilising a fourth drive and direcly attaching that as the bootable OS/Apps drive?
Is this possible? Is it a viable solution?

Hi
Yes it is possible, as a viable solution? It depends? I've done this a number of times with an external firewire drive that is the boot drive. FW800 is obviously quicker than FW400. Whichever it is you are adding latency nevertheless. Ultimately its better to do this with internal drives as they will always be quicker which you will see in improved server performance.
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Transportable tablespaces for migration and upgrade

Hello All,
I'm trying to find out some theory about transportable tablespace and upgrade in a single step. I've to move a DB from a Windows server to a Linux server. Win is running 10.1 and Linux 10.2 . It's possible to use RMAN to migrate the whole database and then on new node run startup upgrade and catupgrd.sql to upgrade catalog ?
Should work?
Thanks
Raj

The following doc for TDB says :-
"Note: TDB requires the same Oracle Database software version on the source and target systems; hence, a database upgrade cannot be accomplished simultaneous with the platform migration. However, best practices for a database upgrade, as documented in the Oracle Upgrade Companion, also apply to any planned database maintenance activity, including platform migration."
http://www.oracle.com/technology/deploy/availability/pdf/MAA_WP_10gR2_PlatformMigrationTDB.pdf
There is also an Oracle Whitepaper called "Database Upgrade Using Transportable Tablespaces: Oracle Database 11g Release 1" but I am still trying to find a copy.

Where to store the url of a webpage for indexing and searching?

Dear Java gurus,
We have a set of html files stroing in a file system. We can use Lucene to index those files with two fields "path" and "content ". Then using Lucene we can search and the result will be the relevant content and its path (path in the file system).
As each of these html file is a real web page, we know its url in Internet too. However, I dont know where to store this real url and let Lucene to index not only the path, content but also this url. If this is possible, then the search result will display the url also.
Do you have any idea about this ?
This is the last obstacle for us to develop a small Google like search engine. We have already a crawler that works well.
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Pengyou

pengyou wrote:
jschell wrote:
pengyou wrote:
However, if I just want store the html file in a file system for quich test purpose, how can I store the url and keep a link to the related file.Instead of storing the content in the database you instead store a file system location (either a path or a file url.)
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Separate tablespaces for indexes and LOBs

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