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  • JPA/EJB3 Relationship

    - by sdoca
    I have been reading about JPA and EJB3 and would like to confirm that my understanding of their relationship is correct. Here's what I think I know... JPA is a specification that has been implemented by a number of vendors including: JBoss/Hibernate Oracle/TopLink Essentials (now EclipseLink) Apache/OpenJPA EJB3 is a specification that is implemented in Application Servers including: Glassfish JBoss Is this correct?

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  • SQL Server 2008 Splitting string variable number of token per line

    - by josephj1989
    I have a fairly simple requirement -I have a table with the following (relevant) structure. with cte as( select 1 id,'AA,AB,AC,AD' names union all select 2,'BA,BB' union all select 3,'CA,CB,CC,CD,CE' union all select 4,'DA,DB,DC' ) i would like to create a select statement which will split each "names" column into multiple rows. For example the first row should produce 1,'AA' 1,'AB' 1,'AC' 1,'AD' Can we do it using only SQL. This is failry easy to do in Oracle.

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  • How to: mirror a staging server from a production server

    - by Zombies
    We want to mirror our current production app server (Oracle Application Server) onto our staging server. As it stands right now, various things are out of sync, and what may work in testing/QA can easily fail in production because of settings/patch/etc inconsistencies. I was thinking what would be best is to clone the entire disk daily and push it onto the staging server... Would this be the best method...?

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  • scjp certification future validity

    - by abson
    Is this the right time to go for a scjp certification?With Oracle being the authority won't SCJP lose its value as and when OCJP gets announced instead of the former? my worry is will one be able to go for the next level like SCWCD?

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  • Mixed launch mode not supported: [Profile]

    - by Imran
    Friends, I need to debug a application. The using Oracle Workshop for weblogic 10.3, I have downloaded plugins for TPTP. when i tested working of TPTP in a sample Java Standard-alone application it worked. but when i tried to use it for Web-app which uses Weblogic, it prompting me the above error[in the subject]. Please help.

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  • JSplitPane giving wrong resize cursor with GTK LAF?

    - by carneades
    Running the official JSplitPane demo http://java.sun.com/docs/books/tutorial/uiswing/components/splitpane.html on my Ubuntu system gives a resize cursor like -- over the divider. The behavior of native split panes gives <-- resize cursors. Does this qualify as a bug that should be reported to Sun (eh, Oracle)? Is there a workaround?

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  • Planning to shift career from Java/J2EE technologies to Java Integration technologies. Please sugges

    - by konda
    Hi, I am Java/J2EE programer with over 5 years of experience. I recently read some posts and I realized that Java Based Integration platforms such as WLI, oracle SOA, Tibco, will rule the future in Java Space. And there are other reasons as well for my move. So, I am planning to move to java integration technologies and I wanted to know from you guys which integration platform will be good one based on my experience. thanks in advance.

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  • ETL : Tracking changes to data using Materialized View log

    - by avinash
    I am into designing ETL with source and target database as oracle Standard Edition. For ETL purpose I need to get the changed data everytime.Client does not want any changes to be made in source objects. Is it feasible to create Materialized view log on source database using dblink to track Inser/Update/Delete on the identified tables. Thanks and Regards

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  • ORM: why should i use it?

    - by Cris
    Hello, i develop since many years in SQL (many different sql servers like Oracle, MSSql, Mysql) and i always been happy in doing that. I've recently seen a lot of stuff around ORMs and i'm asking why should i move toward this world. Can you give me some good points for spending time in learning a different way to do what i already do today? Thanks in advance c.

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  • Database Schema Managing Framework/Library

    - by Karol Kolenda
    I'm looking for any database framework/library for .net which will act as a unified layer between an application and databases. Please note that I'm not interested in querying/updating data (there is plenty of DALs for that) but rather a framework which allows me to manage table schemas and indexes in a managed fashion (without using database specific SQL). I'm particularly interested in a library which supports Oracle, SQL Server and PostreSQL.

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  • Better languages than SQL for stored procedures

    - by Ken Paul
    I'm getting increasingly frustrated with the limitations and verbosity required to actually commit some business logic to stored procedures, using languages such as Transact-SQL or PL/SQL. I would love to convert some current databases to Oracle and take advantage of its support for Java stored procedures, but that option is not available at the moment. What alternatives would you recommend in the way of databases that support stored procedures in other languages?

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  • Write-Through Cache

    - by Mubashar Ahmad
    Dear All I am trying to do an C# implementation of Write-through Cache to minimize the read hits on db i need your suggestions, articles or sample codes to fulfill this assignment. Initially this would be use only on one server but will be updated to work in clustered environment. I only able to get a worth reading article on Oracle Site. Please share your views Regards Mubashar

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  • Best Practice : Import CSV to MYSQL Database using PHP 5.x

    - by ArneRie
    Howdy Folks, what is the best solution to import large amounts of records into an MySQL or Oracle Database. I Think there are two ways : Insert every record with an persistent connection Create on BIG SQL-Statement and query the Database Iam not sure wich is performing better ? Is there any Best Practice Solutions for this kind of operation ??

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  • How to output two ddl files at the same time with using maven hbm2ddl plugin

    - by daniel-cai
    Our application needs to use two different kinds of databases.One is oracle, the other is mysql and we want to use maven plugin hbm2ddl to generate the ddl file, and want to output the two ddl files at the same time, I don't know how to set the configuration in pom.xml. I tried to use this plugin twice, but it always generated one ddl file. Any one encountered such case before ? could u please give some advice.

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  • When is it appropriate to use error codes?

    - by Jim Hurne
    In languages that support exception objects (Java, C#), when is it appropriate to use error codes? Is the use of error codes ever appropriate in typical enterprise applications? Many well-known software systems employ error codes (and a corresponding error code reference). Some examples include operating systems (Windows), databases (Oracle, DB2), and middle-ware products (WebLogic, WebSphere). What benefits do error codes provide? What are the disadvantages to using error codes?

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  • Invoking SQL Loader with a DSN

    - by Zack
    I'm trying to load some data to an Oracle database using SQL Loader. Is it possible to invoke it with specifying the server to load the data into using a DSN instead of a TNS? Right now my command line looks like this: sqlldr uesr/password@tns_id..., I'd like to replace tns_id with a DSN that points to tns_id. Can SQL Loader figure out the TNS from the DSN by itself?

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  • Any good SQL Anywhere database schema comparison tools?

    - by Lurker Indeed
    Are there any good database schema comparison tools out there that support Sybase SQL Anywhere version 10? I've seen a litany of them for SQL Server, a few for MySQL and Oracle, but nothing that supports SQL Anywhere correctly. I tried using DB Solo, but it turned all my non-unique indexes into unique ones, and I didn't see any options to change that.

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  • How to develop a Nightly Builder

    - by allenzzzxd
    Hello, I was told to create a tool like a Nightly Builder for a JUnit project. It's a client-server project with oracle database.The tests are based on QTP. Also there is a test interface written on C#. The tester can click on the interface to choose which tests to run and get a report from each test. So I have to make this procedure automated. So what tools should I use? Thanks in advance Best regards

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  • Year dropdown range - when do we stop?

    - by Andrew Heath
    I attended a payroll software demo yesterday wherein the year dropdowns throughout the software ran from 2000 to 2200. Now, we've all been down this road before with 2 digit shortsight, but honestly - a 200 year service life for a Java & Oracle payroll system? Our Board of Directors would be thrilled if the company was even solvent for 1/4th that long. When forced to use a dropdown year select, where do you draw the line?

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