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  • When would isSearchable return false for an Oracle JDBC column?

    - by Ian Varley
    In what cases would a call to java.sql.ResultSetMetaData.isSearchable(int col) return false for an Oracle database? The documentation for the method doesn't really answer the question: "Indicates whether the designated column can be used in a where clause." I can think of only one case - when the column is the result of an aggregate function (in which case it would have to be part of a HAVING filter, not a WHERE filter). Are there any other cases?

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  • oracle index for string column - does format of data affects quality of index?

    - by Jayan
    We have following type of "Unique ID" column for many tables in the database (Oracle). It is a string with following format <randomnumber>-<ascendingnumber>-<machinename> So we have some thing like this U1234-12345-NBBJD U1234-12346-NBBJD U1234-12347-NBBJD U1234-12348-NBBJD U1234-12349-NBBJD The UID value is unique, we have unique index on them. Does the following format is more efficient than above for index scans? NBBJD-U1234-12345 NBBJD-U1234-12346 NBBJD-U1234-12347 NBBJD-U1234-12348 NBBJD-U1234-12349

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  • apex button to call a page in another application

    - by jaykio77
    I have a workspace with which I have 5 applications based on same schema. Now I want to have a main page from where I could call main pages of all these applications. I used this syntax to call home page in another application but to no avail f?p=4000:4150:&APP_SESSION. Where 4000:4150 are the values for the application and the page I want to display. Please let me know where am I making mistake.

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  • Oracle: How can I know a table is getting populated?

    - by Tami
    Hi, I'm in charge of an oracle db where we don't have any documentation (at all). And at the moment I need to know HOW a table is getting populated. Ideally, I'd like to know from which procedure, trigger, whatever... this table gets its data from. Any idea would be much appreciated. Thanks.

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  • move data in bulk from oracle to SQL database

    - by Soja
    Hi All... Would like to know which is the best way to move data in bulk from oracle to SQL database programmatically in VB.NET application.This application is suppose to run continuously and moves data from Oracle to SQL whenever data comes. I have found OPENDATASOURCE but does not know the exact syntax. Can someone help me out. Thanks in advance,

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  • Oracle: how to UPSERT (update or insert into a table?)

    - by Mark Harrison
    The UPSERT operation either updates or inserts a row in a table, depending if the table already has a row that matches the data: if table t has a row exists that has key X: update t set mystuff... where mykey=X else insert into t mystuff... Since Oracle doesn't have a specific UPSERT statement, what's the best way to do this?

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  • Actual SQL statement after bind variables specified

    - by bioffe
    I am trying to log every SQL statement executed from my scripts. However I contemplate one problem I can not overcome. Is there a way to compute actual SQL statement after bind variables were specified. In SQLite I had to compute the statement to be executed manually, using code below: def __sql_to_str__(self, value,args): for p in args: if type(p) is IntType or p is None: value = value.replace("?", str(p) ,1) else: value = value.replace("?",'\'' + p + '\'',1) return value It seems CX_Oracle has cursor.parse() facilities. But I can't figure out how to trick CX_Oracle to compute my query before its execution.

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  • Can PHP and Oracle pass complex types to each other?

    - by RenderIn
    I want to pass/bind an array of (key1, key2) to an Oracle PL/SQL stored procedure using PHP. I'm able to bind primitive types and arrays of primitive types, but haven't found a way to pass complex datatypes back and forth. Is this unsupported? So far I've been having to pass along multiple arrays -- one for each subtype in my complex type -- and then depend on their indexes to reconstitute them in the procedure.

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  • EPM Infrastructure Tuning Guide v11.1.2.2 / 11.1.2.3

    - by Ahmed Awan
    Applies To: This edition applies to only 11.1.2.2, 11.1.2.3. One of the most challenging aspects of performance tuning is knowing where to begin. To maximize Oracle EPM System performance, all components need to be monitored, analyzed, and tuned. This guide describe the techniques used to monitor performance and the techniques for optimizing the performance of EPM components. TOP TUNING RECOMMENDATIONS FOR EPM SYSTEM: Performance tuning Oracle Hyperion EPM system is a complex and iterative process. To get you started, we have created a list of recommendations to help you optimize your Oracle Hyperion EPM system performance. This chapter includes the following sections that provide a quick start for performance tuning Oracle EPM products. Note these performance tuning techniques are applicable to nearly all Oracle EPM products such as Financial PM Applications, Essbase, Reporting and Foundation services. 1. Tune Operating Systems parameters. 2. Tune Oracle WebLogic Server (WLS) parameters. 3. Tune 64bit Java Virtual Machines (JVM). 4. Tune 32bit Java Virtual Machines (JVM). 5. Tune HTTP Server parameters. 6. Tune HTTP Server Compression / Caching. 7. Tune Oracle Database Parameters. 8. Tune Reporting And Analysis Framework (RAF) Services. 9. Tune Oracle ADF parameters. Click to Download the EPM 11.1.2.3 Infrastructure Tuning Whitepaper (Right click or option-click the link and choose "Save As..." to download this pdf file)

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  • MySQL Connect: What to Expect From the Wondrous Land of MySQL Cluster

    - by Mat Keep
    The MySQL Connect conference is only a couple of weeks away, with MySQL engineers, support teams, consultants and community aces busy putting the final touches to their talks. There will be many exciting new announcements and sharing of best practices at the conference, covering the range of MySQL technologies. MySQL Cluster will a big part of this, so I wanted to share some key sessions for those of you who plan on attending, as well as some resources for those who are not lucky enough to be able to make the trip, but who can't afford to miss the key news. Of course, this is no substitute to actually being there….and the good news is that registration is still open ;-) Roadmap: Whats New in MySQL Cluster Saturday 29th, 1300-1400, in Golden Gate room 5.                                                                                        Bernd Ocklin, director of MySQL Cluster development, and myself will be taking a look at what follows the latest MySQL Cluster 7.2 release. I don't want to give to much away - lets just say its not often you can add powerful new functionality to a product while at the same time making life radically simpler for its users. For those not making it to the Conference, a live webinar repeating the talk is scheduled for Thursday 25th October at 09.00 pacific time. Hold the date, registration will be open for that soon and published to our MySQL Webinars page Best Practices Getting Started with MySQL Cluster, Hands-On Lab Saturday 29th, 1600-1700, in Plaza Room A.                                                              Santo Leto, one of our lead MySQL Cluster support engineers, regularly works with users new to MySQL Cluster, assisting them in installation, configuration, scaling, etc. In this lab, Santo will share best-practices in getting started. Delivering Breakthrough Performance with MySQL Cluster Saturday 29th, 1730-1830, in Golden Gate room 5. Frazer Clement, lead MySQL Cluster software engineer, will demonstrate how to translate the awesome Cluster benchmarks (remember 1 BILLION UPDATEs per minute ?!) into real-world performance. You can also get some best practices from our new MySQL Cluster performance guide  MySQL Cluster BoF Saturday 29th, 1900-2000, room Golden Gate 5.                                                                                                           Come and get a demonstration of new tools for the installation and configuration of MySQL Cluster, and spend time with the engineering team discussing any questions or issues you may have. Developing High-Throughput Services with NoSQL APIs to InnoDB and MySQL Cluster Sunday 30th, 1145 - 1245, in Golden Gate room 7.   In this session, JD Duncan and Andrew Morgan will present how to get started with both Memcached and new NoSQL APIs. JD and I recently ran a webinar demonstrating how to build simple Twitter-like services with Memcached and MySQL Cluster. The replay is available for download.  Case Studies: MySQL Cluster @ El Chavo, Latin America’s #1 Facebook Game Sunday 30th, 1745 - 1845, in Golden Gate room 4.                             Playful Play deployed MySQL Cluster CGE to power their market leading social game. This session will discuss the challenges they faced, why they selected MySQL Cluster and their experiences to date. You can read more about Playful Play and MySQL Cluster here  A Journey into NoSQLand: MySQL’s NoSQL Implementation Sunday 30th, 1345 - 1445, in Golden Gate room 4.                                          Lig Turmelle, web DBA at Kaplan Professional and esteemed Oracle Ace, will discuss her experiences working with the NoSQL interfaces for both MySQL Cluster and InnoDB Evaluating MySQL HA Alternatives Saturday 29th, 1430-1530, room Golden Gate 5                                                                                   Henrik Ingo, former member of the MySQL sales engineering team, will provide an overview of various HA technologies for MySQL, starting with replication, progressing to InnoDB, Galera and MySQL Cluster What about the other stuff? Of course MySQL Connect has much, much more than MySQL Cluster. There will be lots on replication (which I'll blog about soon), MySQL 5.6, InnoDB, cloud, etc, etc. Take a look at the full Content Catalog to see more. If you are attending, I hope to see you at one of the Cluster sessions...and remember, registration is still open

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  • links for 2010-04-12

    - by Bob Rhubart
    Andy Mulholland: We need innovation! What does that mean? "The most common response would seem to be ‘I will know it when I see it’, which suggests business success is based on ‘getting lucky’. As you might expect business schools don’t agree with this and as A G Lafley, author of several works on the topic comments: 'Innovation is risky, but it’s not random. Innovators have a disciplined invention process.'" Capgemini CTO blogger Andy Mulholland. (tags: entarch enterprisearchitecture innovation) @eelzinga: lEAI/Oracle Service Bus testing with Citrus Framework, part2 IT-Eye's Eric Elzinga continues his series with a test of a scenario that is part of a customer's middleware architecture. (tags: oracle otn ESB soa citrus) @fteter: Collaborate 10 - What Looks Good To Me Oracle ACE Director Floyd Teter from NASA's JPL shares quick previews of his Collaborate 10 presentations, along with a list of some sessions he plans to attend. (tags: oracle otn oracleace collaborate2010) Mark Rittman: OWB11gR2 for Windows Now Available Oracle ACE Director Mark Rittman of Rittman Mead shares insight on the recent Oracle Warehouse Builder release, along with a list of articles on the new features in Oracle Database 11gR2. (tags: oracle otn datewarehousing businessintelligence 11gr2)

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  • ArchBeat Link-o-Rama for 2012-06-19

    - by Bob Rhubart
    Discussion: Public, Private, and Hybrid Clouds A conversation about the similarities and differences between public, private, and hybrid clouds; the connection between cows, condos, and cloud computing; and what architects need to know in order to take advantage of cloud computing. (OTN ArchBeat Podcast transcript) InfoQ: Current Trends in Enterprise Mobility Interesting infographics that show current developments and major trends in enterprise mobility. Recap: EMEA User Group Leaders Meeting Latvia May 2012 Tom Scheirsen recaps the recent IOUC event in Riga. Oracle Fusion Middleware Summer Camps in Lisbon: Includes Advanced ADF Training by Oracle Product Management This is how IT people deal with the Summertime Blues. Enterprise 2.0 Conference: Building Social Business | Oracle WebCenter Blog Kellsey Ruppel shares a list of E2.0 conference sessions being presented by members of the Oracle community. Linux 6 Transparent Huge Pages and Hadoop Workloads | Structured Data Greg Rahn documents a problem. BPM Standard Edition to start your BPM project "BPM Standard Edition is an entry level BPM offering designed to help organisations implement their first few processes in order to prove the value of BPM within their own organisation." Troubleshooting ADF Security 11g Login Page Failure | Andrejus Baranovskis Oracle ACE Director Andrejus Baranovskis takes a deep dive into one of the most common ADF 11g Security issues. It's Alive! - The Oracle OpenWorld Content Catalog It's what you’ve been waiting for—the central repository for information on sessions, demos, labs, user groups, exhibitors, and more. 5 minutes or less: Indexing Attributes in OID | Andre Correa Fusion Middleware A-Team blogger Andre Correa offers help for those who encounter issues when running searches with LDAP filters against OID (Oracle Internet Directory). Condos and Clouds: Thinking about Cloud Computng by Looking at Condominiums | Pat Helland In part two of the OTN ArchBeat Podcast Public, Private, and Hybrid Clouds, Oracle Cloud chief architect Mark Nelson mentions an analogy by Pat Helland that compares condos to cloud computing. After some digging I found the October 2011 presentation in which Helland explains that analogy. Thought for the Day "I have always found that plans are useless, but planning is indispensable." — Dwight Eisenhower (October 14, 1890 – March 28, 1969) Source: Quotes for Software Engineers

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  • New WebLogic Server 12.1.2 Installation and Patching Technology By Monica Riccelli

    - by JuergenKress
    WebLogic Server 12.1.2 has many new features, but the first new feature you are likely to notice is the change in installer technology. WebLogic Server and Coherence 12.1.2 are installed using Oracle Universal Installer (OUI) installer technology. We have also changed WebLogic Server patching technology from SmartUpdate to OPatch, the patching tool used to patch OUI installations. Note that installation and patching technology used for prior versions of WebLogic Server has not changed. The primary motivation for this change is to provide consistency across the Oracle stack. Prior to WebLogic Server 12.1.2, Fusion Middleware customers were required to use different technologies to install and patch, for example, Oracle Application Development Framework (ADF) with WebLogic Server. Now users can perform installation and patching across products more efficiently by using the same technologies, and by using new installation packages that simplify installation of Fusion Middleware products with WebLogic Server. Check the YouTube video that describes how to install  WebLogic Server 12.1.2 using the  OUI installer. The following WebLogic Server distributions are now available on the Oracle Technology Network (OTN)  under OTN license, and from Oracle Software Delivery Cloud (OSDC) for licensed customers: wls_121200.jar - This OUI installer package includes WebLogic Server and Coherence and is targeted at WebLogic Server users who do not require other Fusion Middleware components such as ADF. This generic installer can be used to install WebLogic Server and Coherence on any supported operating system, and is intended for development or production purposes. This is available on OTN and OSDC. Read the complete article here. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: Monica Riccelli,WebLogic 12c,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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