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ORA-31145 – “Duplicate listener, %s, found in resource configuration”

Today I had an error on my test environment which surprised me…initially… While I was…

HOWTO: Using the Oracle XMLDB Repository to Automatically Shred Windows Office Documents (Part 1)

People who have attended the UKOUG presentation this year where Mark Drake, Sr. Product Manager XML Technologies / XMLDB, Oracle HQ, and I demonstrated the first principles of the XDB Repository, might have been impressed with its (GEO/KML Spatial, Image EXIF info) capabilities combined with Google Earth. This post will zoom in on how to

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UKOUG 2011: Drag, Drop and other Stuff. Using your Database as a File Server

Last Thuesday, Mark Drake, Senior Product Manager and I, delivered a good presentation during UKOUG in Birmingham about how to use your database, via XMLDB functionality, as a file server. The presentation demonstrated as well how you could extent the “standaard” file server (aka your database) functionality with features like, WebDAV driven ACL Security and

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HOWTO: XDB Repository Events – An Introduction

Oracle XMLDB Repository Events, IMHO, was one of the coolest functionalities introduced in Oracle 11.1. In principal they are a kind of event “triggers” that get fired during actions / methods on objects in the XDB Repository. One of the disadvantages of this functionality is that they are very “sparsely” documented in the Oracle XMLDB

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HOWTO: Implement Versioning via Oracle XMLDB

Since a long time, the database has had some versioning capabilities, long before features like “Edition Based Redefinition” in Oracle 11gR2 appeared. This versioning, via XMLDB functionality, is based on its XDB Repository access to the database. The XDB Repository is a file/folder metaphor that acts as a file server. You can enable this functionality

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UKOUG 2011: Using your Database as a Fileserver

One of the coolest things in Oracle 11g and onwards is a functionality called XDB Repository Events. Most of you probably know that based on XMLDB functionality in the database, the database also can be used in a File server kind of way by enabling the XDB Repository HTTP/FTP or WebDAV functionality via DBMS_XDB. XDB

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