Test data generator for Oracle database

Hello.
I'm a student of Computer Engeneering in Poland. I've recently written simple application that can help people to populate database with some simple test data (appliation works only on relational database).
this is link to website: http://testdatagenerator.jak.pl/
Requires: .NET Framework 2.0 and ODP.NET
Every feedback is welcome!

Yes, I know about it...
In Firefox you can easily close the ad (in IE it's a little bit difficult).
Here is direct link to installer (if someone has a problem to handle with ads ):
http://metis.weia.po.opole.pl/~d51422/generatorOracle/setup_ml.exe
(both EN and PL version)

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Test Data generator for oracle?

Hi again,
I found a long list of "Test data generators" for oracle by google.Is there anybody there to use some specific product and have nice experience? I have limited time to test them.
-Your help will be so appreciated.

The Oracle provided dbms_random package can be used to help generate test data.
I have found that most test data generation programs are not that useful for generation data in an rdbms environment.
HTH -- Mark D Powell --

How to set JDBC Data Sources in Oracle MapViewer for Oracle database 12c Release 1 (12.1.0.1)

How to set JDBC Data Sources in Oracle MapViewer for Oracle database 12c Release 1 (12.1.0.1)?
The following is my configuration in the conf\mapViewerConfig.xml:
<map_data_source name="mvdemo12"
jdbc_host="127.0.0.1"
jdbc_sid="orcl12c1"
jdbc_port="1522"
jdbc_user="mvdemo"
jdbc_password="7OVl2rJ+hOYxG5T3vKJQb+hW4NPgy9EN"
jdbc_mode="thin"
number_of_mappers="3"
allow_jdbc_theme_based_foi="true"
editable="true"/>

But it does not work.
After use "sqlplus mvdemo/[email protected]:1522/pdborcl", it connected to the Oracle database 12c.
Does anyone know it?
Thanks,

For 11.1.1.7.1 use the syntax for jdbc_sid, i.e.
//mypdb1.foo.com as described in the README,
- MapViewer native (non-container) data sources can now use database service name in place of SID. To supply a db service name, you will use the same jdbc_sid attribute, but specify the service name with double slashes in front, such as follows:
<map_data_source name="myds"
    jdbc_host="foo.com"
    jdbc_sid="//mypdb1.foo.com"
    jdbc_port="1522"
/>
For 11.1.1.7.0 use a container_ds instead.
i.e. instead of using
<map_data_source name="my_12c_test"
                   jdbc_host="mydbinstance"
                   jdbc_sid="pdborcl12c"
                   jdbc_port="1522"
                   jdbc_user="mytestuser"
                   jdbc_password="m2E7T48U3LfRjKwR0YFETQcjNb4gCMLG8/X0KWjO00Q="
                   jdbc_mode="thin"
                   number_of_mappers="6"
                   allow_jdbc_theme_based_foi="false"
                   editable="false"
   />
use
<map_data_source name="my_12c_test"
                   container_ds="jdbc/db12c"
                   number_of_mappers="6"
                   allow_jdbc_theme_based_foi="false"
                   editable="false"
   />
In my case the Glassfish 3.1.2.2 JDBC connection pool definition was
Property
url jdbc:oracle:thin:@mydbinstance:1522/pdborcl12c.rest_of.service.name
Uncheck the Wrap JDBC Objects option in Advanced panel, i.e. the Edit JDBC Connection Pool Advanced properties page.
Add a JDBC resource for that newly created pool
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Free Report Writer for Oracle Database except Crystal Report and Data Vison

Dear All,
I want Free Report Writer for Oracle Database except Crystal Report and Data Vision software.
Wr are working on Linux and windows both platform.
Any one have direct link or website address for it ?
Regards,
Vipul Patel
Ahmedabad

Please check the following link -
http://www.google.co.in/search?client=firefox-a&rls=org.mozilla%3Aen-US%3Aofficial&channel=s&hl=en&q=open+source+report+writer+for+oracle&meta=&btnG=Google+Search
Regards.
Satyaki De.

Compression for oracle database and index compression during import of data

Hi All,
I have a query , in order to import into oracle database and also have compression and index compression , do we have some kind of load args for r3load and also do we have to change the tpl file ?

Hello guy,
I did this kind of compression within migration project before.
I performed index compress first and then export -> import with table compress.
One thing you should take care, delete nocompress flag from TARGET.SQL (created by program SMIGR_CREATE_DDL, program SMIGR_CREATE_DDL created pure non-compression objects for these considered non-standard tables). For table columns > 255, we should not delete this flag.
Regarding to the index compress in source system, please check the following notes:
Note 1464156 - Support for index compression in BRSPACE 7.20
Note 1109743 - Use of Index Key Compression for Oracle Databases
Note 682926 - Composite SAP note: Problems with "create/rebuild index"
Best Regards,
Ning Tong

Is RAID 5 not recommended for Oracle database ?

- I am planning to install Oracle database
Here are the specs:
- Dell PowerEdge T610 server
- Windows 2008 R2 (64-bit )
- 24 GB memory
- Oracle 10g database (64-bit database)
- Our database is for an ERP based client server application
- Will have around 35-45 users
- Will have around 150-200 transaction per day ( 8AM-5PM) only database
- database would be around 10-15GB (data files)
Now I am planning to buy the hardware server, I heard that RAID 5 is not recommended for Oracle database.
Is it true ?
What do you recommended for Oracle database ? RAID 5 (or) RAID 1

johnpau2013 wrote:
I heard that RAID 5 is not recommended for Oracle database.
Is it true ?Kind off... as Oracle (as per the RAC Starter Kits for example) explicitly recommends SAME - as in Stripe And Mirror Everything.
This is a combination of RAID1 and RAID0.
However, you will also get whitepapers from storage vendors like EMC in partnership with Oracle, that explains how to configure and use RAID5 storage and how effective this is. And as some will tell you, RAID5 can work just fine with Oracle... and some others will grimace and tell you how bad an idea that is from personal experiences.
In a nutshell - RAID5 requires a parity calculation on each write. That is a very expensive overhead if that calculation impacts the fwrite() (file write) command of a process writing data to disk. It significantly slows down the write operation.
However, if that parity calculation is done asynchronously and does not effect the elapsed time for a fwrite(), then a fwrite() to RAID5 is as fast or as slow as it would be to RAID10 for example.
Unsure how many modern storage system supports off-loading the parity calculation and not impacting the write I/O call. This can be done using ASICs (Application Specific Integrated Circuits), specialised s/w on the storage server, etc.
Whatever you put in place - test the RAID config thoroughly up front and ensure that performance is up to specs. There's a utility called fio (<i>Flexible I./O</i>) written by a Linux kernel hacker that works for Oracle. It is an excellent utility to use to generate and test I/O - but it is Linux and Unix based.
Any specific reason using Windows? Linux is by far a more predominant 64bit operating system than Windows, and has significant higher market share in Oracle RDBMS than Windows. Given the fact that over 93% of the 500 fastest computer systems on this planet runs Linux, I'm always kind of amazed that some would still use Windows as a server-side o/s for Oracle.

How to find out the date when an oracle database is upgraded

Hi,
I would like to know the date when an oracle database is upgraded (for example 10.2.0.4 to 11.2.0.3).
Can you help me to find out these details.
Thanks,
Sarayu

user13312943 wrote:
Hi Ed and SB,
Thanks for your replies. How about this option?
Let us assume I am interested in checking when my database is upgraded to any 11g version.
Will this query help?
select min(first_usage_date) from dba_feature_usage_statistics where version like '11%';
I understand this may not be a generic solution , but with this idea I may be able to build up a query to get the result.
Thanks,
Sarayu
How is it that you or nobody knows when the DB was upgraded?
I would have expected a formal testing & upgrade plan.
Does the organization practice safe software & utilize any source code repository?
Does everyone suffer from amnesia?
How could a MAJOR database upgrade slip by everyone who should care about such a detail?

LDOM for Oracle database

We have T5440. We will be creating 5 LDOMS on this. Each LDOM will host Oracle database server. This is for functional testing purpose only. No performance test will be performed on this setup.
Four ISCSI LUNs (500 GB each) are attached to this machine. Our system administrator has created two zpool for these LUNS. Each machine will be given two virtual disk (one for data and one for OS) from these zpool.
Write cache will not be disabled at scsi level or at zpool level or even at guest OS filesystem (UFS) level.
My question - Is this the right way to configure disks for LDOMs running oracle database? [I know we will not be performing any performance test but oracle database server running on these machines should be usable enough]
Thanks
--D

Already answered at the dup post --> Re: For Oracle Database and WEbsphere
~ Madrid
http://hrivera99.blogspot.com

RAID5 for oracle database

Hi,
Can you please confirm if RAID5 configuration is suitable for oracle database,?database size:50Gb OS:HP/UX version:10gr2
Sincerely
Shaimaa

user8913464 wrote:
what is the impact of this heavy disk write penalty, let's say that each disk size is 300Gb and number of disks is 4,database size:50GbThat depends entirely on the I/O system and I/O fabric layer.
Newer systems can receive the RAID 5 write into memory cache on the storage system (no parity block calculation overhead, no parity block write overhead). It then does this (the parity "stuff') when flushing that memory buffer to disk. Kind of like an Oracle delayed block cleanout where the changer of block data does not pay the penalty for cleaning and writing the block.
How well this actually works in practise, you need to ask your storage vendor. They should be able to provide white papers and test cases on the subject.
There's also issue with RAID5 ito data integrity and recovery and same may even suggest using an additional parity disk.
That said. Oracle recommends (as already commented) +SAME+ - Stripe And Mirror Everything. With is basically RAID10.
Keep in mind that storage architecture is changing fast - SSD and flash technology providing large storage caches. Even complete storage systems without a single disk platter of spinning rust. Then there's storage virtualisation, storage protocols and I/O fabric layers... It is not a simple topic as in the past and RAID is no longer as clean cut and straightforward as it used to be.

How to choose a right server for Oracle Database!

Hi all,
Is there any formular that allows me to find the appropriate server configuration for Oracle database 11g?
Please help!
Thank you all.
Dan.
Edited by: Dan on 01:45 06-01-2013

Simply put ... no.
Determining the correct server is a dance between hardware vendors (one point of input to be treated with general distrust), internal expertise and experience working with similar systems, and most importantly understanding the behaviour of what you are building.
Here are some sample questions to start the ball rolling.
1. What operating system expertise does your organization have?
2. What operating system expertise is readily available in the community from which you hire applicants?
3. What type of application?
4. What are up-time expectations?
5. Requirements for high availability?
6. Requirements for time to perform a full recovery?
7. Requirements for security?
8. Storage footprint (dictates internal storage versus SAN, NAS, or ZFS)
9. Anticipated growth (3-7 years)
Everyone wants to sell you CPU clock-ticks, more RAM, more IOPS, etc. But the first thing you need to understand is the capabilities you require that are generic: Required of any solution. Only when you have a clear understanding of these factors are you ready to discuss whether the solution is a pizza box or an ODA ... an Exadata or an IBM System Z.
Far too often I find people purchasing RAM they don't need with CPU speeds that exceed the ability of their network infrastructure to move the data so pay special attention when you are ready to make your purchase to engineered systems like the ODA.

Error while pulling data from an Oracle database. ORA-01858: a non-numeric character was found where a numeric was expected

I'm trying to pull data from an Oracle database using SSIS. When I try to select a few fields from the source table, it returns the following error message:
    [OLE DB Source [47]] Error: SSIS Error Code DTS_E_OLEDBERROR. An OLE DB error has occurred. Error code: 0x80040E14.
    An OLE DB record is available. Source: "OraOLEDB" Hresult: 0x80040E14 Description: "ORA-01858: a non-numeric character was found where a numeric was expected".
    An OLE DB record is available. Source: "OraOLEDB" Hresult: 0x80004005 Description: "ORA-01858: a non-numeric character was found where a numeric was expected".
The source columns are a combination of numeric and texts, and I've also tried selecting one of them, which didn't work. I'm using the Oracle client 11.2.0.1, and it works fine with any other data sources I have connected to so far. How can I resolve this
error?

Hi H.James,
According to your description, the issue is a non-numeric character was found where a numeric was expected while pulling data from an Oracle database in SSIS.
Based on the error message, the issue should be you are comparing a number column to a non-number column in a query. Such as the query below (ConfID is a number, Sdate is a date):
where C.ConfID in (select C.Sdate
                   from Conference_C C
                   where C.Sdate < '1-July-12')
Besides, a default behavior for the Oracle OleDb Provider that change the NLS Date Format of the session to 'YYYY-MM-DD HH24:MI:SS can also cause the issue. For more details about this issue, please refer to the following blog:
http://blogs.msdn.com/b/dataaccesstechnologies/archive/2012/01/20/every-bug-is-a-microsoft-bug-until-proven-otherwise.aspx
Thanks,
Katherine Xiong
Katherine Xiong
TechNet Community Support

OIM 9.1.0.2 - Weblogic JDBC Multi Data Sources for Oracle RAC

Does OIM OIM 9.1.0.2 BP07 support Weblogic JDBC Multi Data Sources (Services>JDBC>Multi Data Sources) for Oracle RAC instead of inserting the "Oracle RAC JDBC URL" on JDBC Data Sources for xlDS and xlXADS (Services>JDBC>Data Sources> xlDS|xlXADS > Connection Poll> URL) ?
If yes, is there are any other modifications that need to be made on OIM, or just changing the data sources?

Yes, it's supported. You install against one instance directly of the Rac Server. Then you update the config.xml file and the jdbc resource in your weblogic server with the full rac address. It is documented for installation against RAC. http://docs.oracle.com/cd/E14049_01/doc.9101/e14047/database.htm#insertedID2
-Kevin

Current Patch Set for Oracle Database Release 11.2

Hi
I am upgrading oracle 10G to 11GR2 in AIX 5.3 Environment with SAP ECC6 , I have just just installled Oracle 11.2.0.1.0 according to the "Database Upgrade Guide -Upgrade to Oracle Database 11g Release 2 (11.2): UNIX". After database software installation , in upgrade manual in section 3.4.4 it says, you need to install current patch set for oracle database 11g R2 and referencing a SAP note 1431799.
I have just read note 1431799 which says Current Patch Set for Oracle Database Release 11.2 is not generally available for SAP customers until December 2010, also I donu2019t find the note 1522330 as mentioned in 1431799.
Please let me know how I can get current patch set to apply with Oracle 11.2.0.1.0 (Is it in SAP service market place?)
I also want to upgrade my installation to oracle 11.2.0.2, please let me know where I get the patch set to upgrade from 11.2.0.1.0 to 11.2.0.2,
or
I have to live with 11.2.0.1.0 and apply SAP Bundle Patch ( SBP)

Abu Al MAmun,
I understand from your posts that you recently upgraded to 11.2.0.2.
I am having the same difficulty, of finding the current patch set for 11.2. Could you please let me know how you worked around it?
Thanks,
Siri
Hello Everyone,
I did read the post on to how you have to install the current patch set for 11.2.
But honestly, it pretty much flew over my head.
I am trying to upgrade our SAP AIX 64 bit test system from Oracle 10.2.0.4 to 11.2.0.2.
And so far I have downloaded all the required sw for the upgrade, except for the current patch set 11.2.
This is what I have right now:
1) Oracle 11.2 AIX 64 bit upgrade sw - 51038805_part 1 to 51038805_part 7 and 51039800.
2) Database Patches -->Oracle 11.2.0.2 -->
All they have here is
a. Database RDMBS - SAP_112020_201012_AIX.zip and b. SAP_112020_201101_AIX.zip
b. OPatch - OPatch_11201_Generic_v3.zip and mopatch-2_1_6.zip
c. Database Vault - DV - >Generic - p9656644_112020_Generic.zip
If I am not wrong, the Database RDBMS files are nothing but the SAP Bundle Patches that have to be installed after installing the currrent patch set 11.2.0.2 using MOPatch.
But I did not find the currrent patch set 11.2.0.2.
Could someone please explain the process to me in detail? This being my first time , I am finding it a bit hard to catch up with some of the stuff.
Thank You!
Siri

Different ways to download data into a Oracle database

Apart from the below are there any other ways to download data into an Oracle database ?
1. Import data using import/export features.
2. Oracle external tables.
3. Data Pump
4. SQL Loader.
5. PL/SQL => utl_file package.
6. Oracle SQL developer tool - it was a nice surprise this morning to know that this tool can be used to import data into Oracle database.
Thanks
Gony

I will be able to do that once I complete my transition into an Oracle DBA
Next Great DBA
I downloaded oracle to my laptop today.
I will become the next great DBA.
No need for education or taking a course,
I'll use the forum and learn by brute force.
The guru's won't mind, they know it all
They are so profound, their ego's enthrall.
They have it written by steps 1 through 10.
If I don't get it once, I'll just ask it again.
I won't write it down, seems simple enough
After all, I've used Access with SQL and stuff.
Why you upset? Why you tell me to read?
I've no time for a manual, No Sir, Indeed!
Why waste my time with a book or a link,
I have this forum, no need to think.
I have no work history, just out of college,
But I'm smarter than those who are three times my age.
I'll become certified with an OCP,
Have you the answers, just give them to me.
Then we'll be equal just wait and see!
But, Why are you paid 100K more than me?Edited by: sb92075 on Jul 12, 2009 7:57 AM

Difference between Data Providers for Oracle

Hello,
There are 3 .NET Data Providers for access an Oracle Database:
1) ODP.NET, who uses Oracle API to access an Oracle Database.
2) Microsoft .NET Data Provider for Oracle, who comes in the Assemblie System.Data.OracleClient
3) Microsoft .NET Data Provider for OLE DB.
My questions are:
1) There is another Data Provider to access an Oracle DB ?
2) Which is better, for example to handle LOB fields ?
3) Which is better in performance ?
4) ODP.NET uses some Oracle API to handle a DB, and the others ?
5) What is the requirement (Oracle Client, OS) of each of them ?
Best Regards
Alfredo DS

I would recommend using ODP.NET. Overall, I've seen better performance from it than other Oracle providers. It requires the 9.2 client and any OS that the 9.2 client supports.
With respect to LOBs, the first ODP.NET version was consistently faster retrieving LOBs than other Oracle providers. The latest version of ODP.NET (and the upcoming version) have made some substantial improvements in LOB performance on top of that.

Test data generator for Oracle database

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