SQL Developer Data Modeler, Repository or file based?

As announced, in a next release of SQL Developer Data Modeler it wil be repository based. Ok that is nice. But what does it mean for the current possibility to store your work in files. Will the possibility to store in files be supported in new releases when also a Repository is available?

Will the possibility to store in files be supported in new releases we are not going to remove that run and use aspect of the tool.
Philip

Similar Messages

  • SQL Developer Data Modeler Repository

    Hi,
    I would like to know how to save all my applications into the Data Modeler Repository instead of doing it piece by piece and having to create a dmd file for every single application I imported into Data Modeler.
    In Oracle Designer, everything is in the repository and I can run reports against the tables and views belonging to that repository. So, I can produce a pdf documentation out of it. Can we do the same with Data Modeler?
    Thank you!

    Hello Anonymous,
    I'll start with your first comment - "I would like to know how to save all my applications into the Data Modeler Repository ". The Repository is just for reporting purposes, as Dimitar points outs, so saving all your applications in the Data Modeler is merely File - Save. This action saves the current design (with all its models) to the file system. The main premise here is that the Data Modeler is a file based product and all models and designs are saved locally to the file system. This is a positive move for many customers who are now building applications in Java or using any of the application development environments that work with a variety of files. They are taking all the artifacts and placing them under version control using open source versing tools like Subversion. Using the Data Modeler, they can do the same.
    For reporting you have a choice, one of which has also been explained. The action of creating a schema before you export the design is a one off step. Following on from this you can export new versions of the model to the same repository. The reason we did this was that many of the Designer audience wanted to write and run their own reports. So here you have a set of tables that you can write whatever SQL query you want to use.
    The other reporting option is to use the integrated reports in the product and you do not have to export the design or open another product or write SQL.
    Have you used the Design Rules in the Data Modeler? These are a set of "reports" for quality assurance purposes. There are many of these reports at all levels of the design which verify that your model is defined according to a set of database rules and general business rules and if you like, you can add your own rules.
    I attended ODTUG last week in LA and was really pleased to listen to a number of talks by well seasoned Designer users who have successfully transitioned to the Data Modeler and who had many positive experiences.
    Yes, the tools are different - but the one tool was not designed to replace the other - Data Modeler does none of the application design and generation that Designer does, those customers who have wanted to replace one tool (people are moving to the data Modeler from different tools) with the Data Modeler, have reported to me that they are pleased with the change.
    Regards
    Sue Harper
    Product Manager

  • SQL Developer Data Modeler - MAC Version 2.0.0 Build 570 - Issues

    In no particular order
    - The Help, About box displays a different version information set then the SQL Developer Data Modeler, About SQl Developer Data Modeler.
    - Not able to move any portion of the connection between entities. Thus there is no current way to align the lines as wanted.
    - There is no way to scroll all the way to the right side if you have more then approximately 5 entities horizontally.
    - Open SQl Developer data Modeler, Click on File, Open, select an XML file and a dialog box is displayed.
    - The checkbox needs to be moved to the right as it is partially cut off.
    - the text next to the checkbox is cutoff and only displays "Don't show this dialog agai".
    - Printing Diagrams does not print correctly unless you have the entities displayed such that you can "read" them. If you have diminished the display so that you are not able to see the table or
    field names then the Print Diagrams does not display the entity or field names.
    - File, Recent Designs, does not retain the last or any design having been opened and/or saved.
    - VarChar2 is not a displayed data type for Oracle 10G.
    - There does not appear to be a way to create a set of fields which you would like to have added quickly and easily to selected tables.
    - DDL Editor displays the Macintosh HD. It should display my User Directory
    Thanks,
    Lester
    [email protected]

    Sorry to dredge up an old thread.
    I just downloaded data modeler and tried to start, but got an error regarding bad version:
    Exception in thread "main" java.lang.UnsupportedClassVersionError: Bad version number in .class file
         at java.lang.ClassLoader.defineClass1(Native Method)
         at java.lang.ClassLoader.defineClass(ClassLoader.java:675)
         at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
         at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
         at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
         at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
         at java.security.AccessController.doPrivileged(Native Method)
         at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
         at java.lang.ClassLoader.loadClass(ClassLoader.java:316)
         at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:280)
         at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
         at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:374)
    I have JRE 1.5, but that seems to be the latest per the Software Udpate utility, and when prompted, I set my java directory to /usr, since my java bin was under /usr/bin.
    Let me know if I should start a different thread.
    Thanks.
    Chi

  • "Oracle SQL Developer Data Modeler reporting repository required"

    Hi all,
    Trying to make use of Data Modeler Reports from within SQL Dev EA 2.1, but every time I try to connect to a DB I get the following message "Oracle SQL Developer Data Modeler reporting repository required."
    Any idea how to go about sorting this out?
    Thanks

    Hi i have the Oracle SQL Developer Data Modeler version 2.0.0 installed.
    When i try to export one diagram to the reporting schema, i get the following error : "Error occurred while exporting to Reporting Schema.See the log file for details".
    The log file has no errors.
    The repository owner is DBA.
    The connection is ok.
    Can you help me?
    Thanks in advance
    Paolo.

  • Foreign key Mapping based on Data - in SQL Developer Data modeler

    Team
    Do SQL Developer Data modeler supports Foreign Key mapping based on the Data in the Schema rather defined at the DDL ? For e.g if we implement a Objects Relation ship mapping in Data base, we don't define Foreign keys at table creation.
    Toad does this feature through "AUTOMATIC FOREIGN KEYS MAPPING IN TOAD DATA MODELER" more info at (http://toadworld.com/Blogs/tabid/67/EntryId/905/Automatic-Foreign-Keys-Mapping-in-Toad-Data-Modeler.aspx)
    any one know how to implement through some scripts also helps me
    Regards
    Raj

    If you have table PKs defined and the candidate columns match those PK columns, then you can use the Discover Foreign Keys utility. Right mouse over the relational model name (node) in the left browser. It is about half way down the menu. I did a blog post about it last week on kentgraziano.com.

  • SQL Developer Data Modeler - integration with subversion

    I just discovered the release of SQL Developer Data modeler, and found this to be very interesting.
    We are still using Oracle Designer for database design, but we are looking for a replacement (for several reasons).
    My question is quite simple:
    Given that the modeler uses a filebased repository, and also given that we have several developers potentially working on a data-model at the same time, how does Data Modeler integrate with subversion for source control etc.?
    Can the repository itself be under source control, and checked in/out directly from Data Modeler?
    Or will only the output files be candidates for version/source control?
    Let me admit right away that I have not read much of the data modeler docs, and I have also not downloaded/installed it (yet), but does anyone have pointers to docs on this , or general input/knowledge around it.
    On a side note, I must say that it puzzles me that a company like Oracle, that delivers one of the best databases doesn't use its database engine to host the repository, but instead chooses to go for files (I assume xml) "scattered all over the place"....
    Well, I guess they a have a reason for it..
    Anyway:
    Sql Developer Data Modeler and Subversion anyone?
    Jens

    Hi Jens,
    It's early days and the initial implementation is indeed file based. Though I'd say not xml files "all over the place", but in ordered folders. Yes, as a database company it does make sense that we'd have a repository for managing and versioning metadata. However the tool supports Oracle and other databases and many companies use open source version control tools, such as Subversion and so anyone using the Data Modeler today can use it with Subversion regardless of the database they are designing for.
    We do plan to have a repository, but in the 6+ months of the early adopter program found that many of the early adopters were happy to place the files under source code control using Subversion and in so doing also managed the multi-user development.
    Integrated Subversion support is planned for a future release.
    Sue

  • How can I find out what is causing this error in SQL Developer Data Modeler

    Friends,
    I am trying to import entities into into SQL Developer Data Modeler from Oracle Designer 10.1.2.3.
    In case of need I perform these steps to perform the import:
    File --> Import --> Oracle Designer Model --> Select database connection --> Select work area --> select application system --> select one entity --> Click finish --> Import starts
    During the import process I see an alert dialog box with the message:
    There are errors in import - check Log file Clicking Ok dismisses the alert box and I see the following summary screen:
    Oracle SQL Developer Data Modeler Version: 2.0.0 Build: 584
    Oracle SQL Developer Data Modeler Import Log
    Date and Time: 2010-08-09 14:27:26
    Design Name: erdtest
    RDBMS: Oracle Database 10g
              All Statements:           32
              Imported Statements:      32
              Failed Statements:           0
              Not Recognized Statements:      0The Entity is then displayed in the Logical View within SQL Developer Data Modeler.
    Upon checking the log file I see the following entry:
    2010-08-09 13:50:34,025 [Thread-11] ERROR ODExtractionHandler - Error during import from Designer Repository
    java.lang.NullPointerException
         at oracle.dbtools.crest.imports.oracledesigner.logical.ODORelation.createArcs(Unknown Source)
         at oracle.dbtools.crest.imports.oracledesigner.logical.ODORelation.generate(Unknown Source)
         at oracle.dbtools.crest.imports.oracledesigner.ODExtractionHandler.generateDesign(Unknown Source)
         at oracle.dbtools.crest.imports.oracledesigner.ODExtractionController$Runner.run(Unknown Source)
         at java.lang.Thread.run(Thread.java:619)Can anyone shed any light on this error?
    Thanks in advance for any help you may be able to provide.

    No this helps a lot. It's not strange. Firstly, in a versioned repository you should see Private Workareas and Shared workareas, so your workarea may be in either of these. It won't be in the Global Shared Workarea, as this only for non-versioned repositories. (I like to open the RON by selecting the full Repository, that way I can see the private and shared worlareas and the configuration and containers all in the same tree.
    Now your workarea is defined by a set of rules, so when you expand the workarea in the RON, and select the object, then that's the workarea and object you'll see in the import dialog in the Data Modeler. So if you check it out and check it back in, and can't see it in the RON, then the rule is not seeing this object. (Did you refresh the workarea in the RON?) If you can't see it in the RON, you can't see it in the Data Modeler. If you're working in a versioned repository, you need to work in the specific work area, i.e V27 and this is what you need to select in the Data Modeler.
    It looks like you are selecting the wrong workarea in the Data Modeler.
    Sue

  • Does SQL Developer Data Modeler fit-in??

    Hi Everyone,
    Wish you happy new year 2011.
    Does SQL Developer Data Modeler support conceptual, logical and physical in our modeling or only logical and physical?
    We all use Erwin for modeling. Erwin works without database repository storing models in desktop folders and provide additional reporting. I find some place SQL Developer Data Modeler talked about repository need.
    Does SQL Developer Data Modeler store the models in local/network folders instead of Database server?
    What are the functions need database based repository to work with SQL Developer Data Modeler?
    We are thinking of using SQL Developer Data Modeler for our conceptual, Logical, and data dictionary need. Will it help in our need?
    Do we need to face any surprises on using SQL Developer Data Modeler for our need?
    Thanks in sharing your experience and helping me out.
    RI

    1) Do we need to have Oracle database at back end to work with SQL Developer Data Modeler?No, Data Modeler use Oracle database only if you create reporting repository.
    Data Modeler is free, you need database license only if you want to log service request
    2) Will SQL Developer Data Modeler create any tables (as backend repository ) in Oracle database to store Model details? no
    3) Do we need to create reporting schema in backend oracle database to generate reports of SQL Developer Data Modeler's items such as Entity/attributes etc?no, reports can be created out of current loaded design. However having reporting repository will give you additional benefits - history (reports can be generated for every snapshot of your designs there) and multi-user usage, you can create your own reports
    4) Do we to use SQL Developer Data Modeler reverse engineer from DB2, SqlServer, Terra data etc?Data Modeler has full support for Oracle, DB2/390, DB2/UDB(LUW) and MS SQL Server. Reverse engineering from other databases (including Terra Data) is at generic JDBC level - you'll get some and some will be missing (no check constraints for example).
    You can read release notes http://www.oracle.com/technetwork/developer-tools/datamodeler/ea2-releasenotes-185793.html
    Philip

  • SQL Developer Data Modeler scripting

    Hi,
    I'm looking for a new modeling software for my company. SQL Developer Data Modeler (SDDM) has many features that fit my requirements. But there are some things that I'm not sure can be done. I work mostly with Oracle databases but still need to support some legacy and non-sql databases. Please look at problems below and tell me if and how those things can be achieved. Any suggestions for alternative solutions are welcome too.
    1) I need to be able process Database Model from command line without human intervention and starting any GUI applications, for example generate DDL script form the model. Does SDDM have any interface for that?
    2) I want to be able to export Database Model into a file in a custom (legacy) format.
    3) SDDM stores database description in xml files. Is xml format defined anywhere? Are xsd schema files availabe?
    4) Is there a SDK available that would allow reading SDDM Database Model into a custom application for further processing?
    5) Is there any Java library available that parses Oracle-11-compatible SQL and PL/SQL?
    Thank you in advance
    Tomasz Grygo

    Hi Kevin,
    thanks for sharing your thoughts. There will be much more advanced find/search facilities in next version of Data Modeler and scripts also will be covered.
    Philip

  • Domains usage in SQL Developer data MODELER

    Hi,
    I'm trying to understand how to use Domains in Oracle SQL Developer Data Modeler. We use version 3.1.3 .  before I used Toad Modeler  where domains are just part of your main design.
    Oracle data modeler has some different concept.
    let's assume I'm working on 2 designs:  DesignA and DesignB that include relational models.
    DesignA and Design B should use domains but list of domains in design A is very different than in design B.
    Default domain file is located on c: drive where SqlModeler is installed. It is obviously unacceptable , so I need to change Default System Type directory in preferences.
    And of course I want to have different domain directories for DESIGN A and DESIGN B.
    So when I open design A then I changed   Default System Type directory  let's say to x:\AAA.   Then i close design A and open Design B and change Default System Type directory to x:\BBB
    I checked folders AAA and BBB and they  have necessary XML files there:  defaultdomains.xml, defaultRFDBSSites and so on....
    Now questions:
    can I rename defaultdomains.xls to something else like AAAdomains.xls?  Domain administration can edit any domain file with any name , but how  can I associate certain domain file with my design?  My wish , when I open my design , then corresponding domain file will be open automatically.  Is it possible?
    If I open 2 designs in Sql Modeler and switch between designs  then corresponding domain files should be changed automatically as well.  Currently   I shouldn't forget to change default System Type directory every time when I switch models.  Is it the only way to handle it?
    Thanks
    vitaliy

    Hi Vitaliy,
    We use version 3.1.3
    I recommend always to use the latest version. If you don't want to use beta (DM 4.0 EA is out) you can use DM 3.3.
    Otherwise Oracle SQL Developer Data Modeler supports two types of domains:
    1) DM installation domains - those in file defaultdomains.xml
    2) Design level domains - they are stored in design directories and are visible to particular design only. They can be created in following ways:
    2.1 Manually - there is a property "Domains file" and you id it's not set "defaultdomains" domain will become design level domain and will be stored in file with provided name (without .xml extension)
    You can change later the file for design level domains, however you cannot change file for domain already in defaultdomains.xml.
    2.2 Using types to domains wizard you can generate design level domains
    2.3 Design level domains are created during import of  DDL files (controlled in preferences)
    2.4 You can import domains from specific file with domains using "File>Import>Domains" - you need to rename the source file if it's named defaultdomains.xml otherwise you'll get domains as installation domains
    If the list with domains is too long you can define  a list with preferred domains (or/and logical types) in "Preferences>Data Modeler>Model" and you can use shorter list in Table/Entity dialog if check "Preferred" check box next to "Type:" combo box.
    If I open 2 designs in Sql Modeler and switch between designs  then corresponding domain files should be changed automatically as well
    If you open 2 designs in one instance of DM they will use the same file with default domains i.e. you'll lose domains in one of design depending of setting for "system data type directory". You need to go with design level domains.
    Philip

  • Import / Export MySQL database in SQL Developer Data Modeler

    Hello,
    I have version 3.1.2.704 of SQL Developer Data Modeler and version 3.2.09 of SQL Developer installed.
    When I´m adding a new connection in SQL Developer, I can choose the MySQL tab an create a connection to a MySQL database.
    The connection test was successful and I can see all tables.
    I use the same JDBC driver for SQL Developer and SQL Developer Data Modeler (mysql-connector-java-5.0.4-bin.jar).
    But there are two problems.
    1. First there is an problem when I want to import from a MySQL database (SQL Developer -> File -> DataModeler -> Import -> DataDictionary).
    After choosing the MySQL connection and pressing the next button an error occurs: CONNECTION_TYPE
    What is the reason?
    2. In SQL Developer Data Modeler I have not the CONNECTION_TYPE problem. But when I want to export DDL, there is no MySQL type selectable, although there is working connection to the MySQL Database. It´s the same in SQL Developer.
    What is the reason?

    Hi,
    Data Modeler does not explicitly support import from MySQL databases, although you can use a JDBC connection to do this.
    Philip described how to set this up in forum message How to connect mySQL for reverve engineering
    There is no MySQL tab in Data Modeler - you should use "JDBC-ODBC Bridge" - "other third party Driver".
    Set URL like : jdbc:mysql://localhost:3306/database_name
    driver Class: com.mysql.jdbc.DriverAlso Data Modeler does not support generation of DDL for MySQL.
    David

  • How to install SQL Developer Data Modeler 3.1.1 for Mac OS X?

    How do I install SQL Developer Data Modeler 3.1.1 for Mac OS X? I downloaded the file "datamodeler-3.1.1-703-macosx.gz" from OTN, but there is only a single file inside this archive - "datamodeler-3.1.1-703-macosx". What am I missing here?
    Thanks in advance...

    Extract that file and then run it.
    Once you installed the tool to your Applications folder (if you choose to move it to Applications), you'll need to install Java (maybe).
    What version of OS X are you on?
    In a command window/terminal, type 'java -version'
    If you get something back like 'java version "1.6..." then you're all good.
    If you're on Mountain Lion, then type 'java' instead. That should download java for you.
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    The installation notes are here if you want the official list of instructions
    http://www.oracle.com/technetwork/developer-tools/datamodeler/downloads/mac-installnotes-1716514.html

  • "SQL Developer" vs. "SQL Developer Data Modeler"

    Hi Everybody!
    I'm using SQL Developer and I miss functionalities like re-engeneering of ER Models. As far as I know this is what the "SQL Developer Data Modeler" does. So my question is: Is the "SQL Developer Data Modeler" a complete replacement for "SQL Developer" or do I need both?
    thank you in advance

    Whoooops, sorry, I replied in the wrong thread -.-
    My reply was meant to be in the thread about Designer EA2 and the non-versioned repository import (Import repository from Designer concerning non-versioned applications (EA2)

  • Bug report SQL DEVELOPER DATA MODELER

    Hello,
    I think i found a bug using Sql developer data modeler 2.0.0 build 584.
    When importing a DDL file to create a relational model, foreign key constraints might not be created if foreign key uses multiple-field and the fields are not referenced in the same order as the primary key was.
    ex:
    Table FOO ..... PRIMARY KEY (id_1, id_2)
    FOREIGN KEY (id_2, id_1) REFERENCES FOO (id_2, id_1)
    Benjamin
    P.S: Bellow is a portion of SQL code demonstrating the problem:
    -- "_decompte"
    CREATE TABLE "_decompte"(
    numero_rang VARCHAR2(2),
    numero_contrat VARCHAR2(13),
    id_decompte VARCHAR2(19)
    ALTER TABLE "_decompte"
    add CONSTRAINT pk_decompte PRIMARY KEY (numero_rang, numero_contrat, id_decompte);
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    CREATE TABLE "_decompte_detail"(
    numero_rang VARCHAR2(2),
    id_ligne NUMBER(4),
    numero_contrat VARCHAR2(13),
    id_decompte VARCHAR2(19)
    -- "_decompte_detail"
    -- NOT Recognized by SQL DEVELOPER DATA MODELER (fields are not in the same order as primary key definition)
    ALTER TABLE "_decompte_detail"
    add CONSTRAINT fk_decompte_detail_1 FOREIGN KEY (numero_contrat, numero_rang , id_decompte) REFERENCES "_decompte"(numero_contrat, numero_rang , id_decompte);
    -- Recognized by SQL DEVELOPER DATA MODELER
    ALTER TABLE "_decompte_detail"
    add CONSTRAINT fk_decompte_detail_2 FOREIGN KEY (numero_rang, numero_contrat, id_decompte) REFERENCES "_decompte"(numero_rang, numero_contrat, id_decompte);

    Hi,
    Well, I was recently given some database scripts and asked to correct and improve them. These scripts were not generated but rather hand made. Having no access to a DBMS I was just curious about the result of this option in Data modeler and tried it for a better DB overview. I don't need it at all, but I was surprised to discover that the result was a failure. So I tried various scripts until I found the mistake.
    regards.

  • Oracle SQL Developer Data Modeler start up error

    Hi All,
    I just downloaded Oracle SQL Developer Data Modeler (2.0.0.57.0) [Released 1 July 2009] by selecting the option "Oracle SQL Developer Data Modeler for Windows (This zip file includes the JRE)"
    After I installed the same and tried to run it by clicking datamodeler.exe, I get the following error message
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    On the same machine I can successfuly run the Oracle SQL Develper with no errors. My machine is having Windows XP Professional SP3.
    Any ideas? If there was a problem with Java, than the Oracle SQL Developer should also not run. But as stated it runs with out any error but the Oracle SQL Developer Data Modeler gives the above error.
    Regards,
    JAA149

    1 - The above problem has nothing to do with the memmory. I tried on a 400 MB RAM, 900 MB RAM, 1.5 MB RAM & 2 MB RAM with the same arror.
    "unable to create an instance of the Java virtual machine located at path:..\jdk\jre\bin\client\jvm.dll"
    http://i30.tinypic.com/9vkwf6.jpg
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    One is at D:\datamodeler\datamodeler.exe
    2nd is at D:\datamodeler\bin\datamodeler.exe
    The same error occurs with both the files.
    3 - The Oracle SQL Developer Data Modeler version is "Oracle SQL Developer Data Modeler (2.0.0.57.0) [Released 1 July 2009]" and the file I downloaded is "Oracle SQL Developer Data Modeler for Windows (This zip file includes the JRE) - (57M)"
    If I look in "D:\datamodeler\jdk\jre\README.txt" I find
    "Java(TM) Platform, Standard Edition Runtime Environment Version 6"
    If I run "D:\datamodeler\jdk\jre\bin\javacpl.exe" I get
    http://i30.tinypic.com/mt8ocn.jpg
    If I run "D:\datamodeler\jdk\jre\bin\jureg.exe" I get
    http://i28.tinypic.com/30boiyo.jpg
    If i check at the control panle add/remove program
    http://i30.tinypic.com/1428tba.jpg
    If I go to "http://www.java.com/en/download/manual.jsp" and download "jre-6u16-windows-i586-s.exe" and run it.
    If I go to "C:\Program Files\Java\jre6" I find the same files as in "D:\datamodeler\jdk\jre"
    I am able to run Oracle SQL Developer with out any kind of error let alone the above one. But with Oracle SQL Developer Data Modeler I get the above mentioned error no matter what I try.
    As the error states "unable to create an instance of the Java virtual machine located at path:..\jdk\jre\bin\client\jvm.dll". The file "jvm.dll" is located at two places. One at "D:\datamodeler\jdk\jre\bin\client\jvm.dll" and the second at "D:\datamodeler\jdk\jre\bin\server\jvm.dll"
    A similiar problem occurs with JDeveloper with the fllowing solution
    http://forums.oracle.com/forums/thread.jspa?threadID=506339&start=0&tstart=0
    Which states the following
    "hello!
    in the problem with JDeveloper i have a solution. The jdk have a file jvm.dll in the path: jdk/jre/bin/client/jvm.dll this is the problem ... now in the path:jdk/jre/bin/client/ojvm has a file with the same name if you copy and paste this file to the another path, now its works fine your Jdeveloper.
    Jdeveloper use two files to jvm.dll to work one in the folder /client and other in /server copy the same file to the two locations for precaution
    for me work fine thanks..."
    I tried to do the same (Copy from client folder to server folder)
    D:\datamodeler\jdk\jre\bin\client\jvm.dll
    COPIED THIS FILE TO
    D:\datamodeler\jdk\jre\bin\server\jvm.dll
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    D:\datamodeler\jdk\jre\bin\server\jvm.dll
    COPIED THIS FILE TO
    D:\datamodeler\jdk\jre\bin\client\jvm.dll
    Does not work. So I tried another solution stated at the same forum entry
    "Well,
    i solved the problem by this way :
    <SQLDEVELOPER>/jdev/bin/ide.conf
    In this file, change this line :
    AddVMOption -Xmx512M
    by
    AddVMOption -Xmx256M
    Now, the executable is lauching correctly. No more errors with Java Virtual Machine.
    But is it a good thing to solve it like that ?"
    But the ide.conf file is only at "D:\sqldeveloper\ide\bin\ide.conf" which is for the SQL Developer and not the SQl Developer Data Modeler
    Correct me if I am wrong but
    JRE = Java Run Time Envoirment
    JDK = Java Development Kit
    And Oracle SQL Developer Data Modeler needs JRE and not JDK. In any case I download JDK
    jdk-6u14-javafx-1_2-windows-i586.exe (121,306 KB) and installed it but no succcess.
    I tried every thing except completely re-install my whole PC.
    Any help will be much appreciated.
    Cordially,
    Jawad

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