Knowledge Center IT Architecture
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 XDB Repository Events, which enable you to automatically trigger event driven actions based on, for example, file naming, content, creator or others.
You can find the presentation on Slideshare or enjoy it here.UKOUG 2011 – Drag, Drop and other Stuff. Using your Database as a File Server View more presentations from Marco Gralike
During the demonstration in the second half of the presentation, we demonstrated how you can automatically consume the EXIF and KML information embedded in pictures to use it with the Google Earth API. All the code used for this Google Earth demonstration, and more, can be found on the Oracle XMLDB Sample Code page.
Have fun trying it out and if there any questions, post them on the OTN Oracle XMLDB forum.
At December the 1st, 2011, Oracle announced it’s new major release, the 12c release. As Oracle added the i (internet) at its 8 release, the g(gridcomputing) at its 10 release, now the focus will be on the c(cloudcomputing).
Many new features come out of the fact that Oracle has made its key application server ready for the cloud, that is, ready for to run on enigineered systems, in fact its own Exalogic machine, Oracle’s solution for implementing the cloud.
So let’s take a look what this new release brings us, in this blogpost. There are several new features available in the 12cNew or enhanced WebLogic 12c features
- JAVA EE 6 support all kinds of JEE6 specifications are implemented like :
- JSF 2.0,Java Servlets 3.0Â JPA 2.0 andÂ EJB 3.1.
- Managed Beans 1.0
- WebLogic 12c also supports supports Java SE 7 (and Java SE 6).
- Java language optimizations and Internationalization
- Client and server support
- SSL/TLS 1.2 in JSSE to support JAVA Socket Transport security
- Converged Java VM:JRockit and HotSpot are Â incorporated with the best features from both.The JVM convergence will be a multi-year process, which was confirmed during my presence at Oracle’s Publisher Seminar 2011 during
A few weeks ago I had to work with a virtual box by oracle with a pre installed Database (xe) and weblogic to do some BPM Studio work. After the default installation I expected to just start the Virtual machine, start the weblogic server and enjoying the advantages of having everything installed properlyâ€¦
Not exactly because I could not get the right connection established and on the virtual machine I could not get the Weblogic Server started. If you encounter the same type of problem here is my solution that worked for me and perhaps as well for you. Hoping this will speed up things and to concentrate more on the BPM stuff then actually fixing the bugs on the VM Boxes J. (more…)
In (rman) incrementally updated backups, only incremental backups are done after the first full backup to the Fast Recovery Area. From 11gR2 on the incremental backup pieces will get the same tag as the datafile copies, and that’s actually different behaviour from pre- 11gR2 versions of the database.
I stumbled on this different behaviour when a backup script, that worked perfectly on 11gR2, got ported to 10gR2 and 11gR1 ( 11.1.7 ). The script contains a system cleanup of all incrementals, done before a certain date, specifying the tag of the copy [ 'COPY_DATABASE' ]. On 11gR2 the inc1 backups got deleted fine, but the delete on 10gR2 and 11gR1 just wouldn’t work.
By checking v$backup_piece…
select distinct tag
…and getting no result, it became clear that the tag of the copy datafiles, was’t also the tag of the incrementals.
Once I knew, it was easy to correct the problem.
I just added the tag of my copy datafiles to the incremental backup, and that did the trick. All incrementals that were supposed to get cleared from the pre-11gR2 system, were deleted. The incrementals without tag, already on the system, were deletedMore >
In dit tweedaagse seminar neemt Steven Feuerstein je mee ver voorbij de basismogelijkheden van PL/SQL. Steven zal tijdens dit seminar de best practices behandelen die hij op tientallen plekken in de wereld heeft verzameld en die hij ook mede door zijn nauwe samenwerking met het PL/SQL product team van Oracle kan verifiÃ«ren en aanscherpen. Hij laat via code-voorbeelden en interactieve sessies zien hoe je als ontwikkelaar in staat bent om snel, hoogwaardige, goed onderhoudbare en uitbreidbare applicaties kunt maken.
Er is tijdens dit seminar voldoende ruimte om vragen te stellen en ideeÃ«n met Steven Feurestein uit te wisselen.
Bij dit seminar zijn de volgende zaken inbegrepen:
- Een exemplaar van het boek Oracle PL/SQL Programming (5th edition) van Steven Feuerstein (twv â‚¬71,-).
- Een PL/SQL quiz onder leiding van Steven Feuerstein met leuke prijzen.
- Ook ontvang je een gratis jaarabonnement op het PL/SQL Channel. Hiermee heb je toegang tot 27 uur videotraining (normaal $395).
Last day of Oracle Open World and I am currently attending the last presentations. The first presentation, “Oracle XMLDB: A noSQL Approach to Managing all your Unstructured Data”, deals with the no-SQL approach and using Oracle XML DB in the context of using it with “Big Data”, that is unstructured data. The title of the presentation is “a bit” misleading due it reference to noSQL data handling. XML is mostly used in the area’s of structured, data centric, semi-structured an unstructured, that is document centric data. Due to the flexibility of XML, it can be used for bridging those data content forms. Via the XDB repository, xmltype storage and xmlindex, that content can be moved into the XML DB part of the Oracle database, mapped and categorized. You can use repository events to shred and filter this map while the data is going in regarding interfacing via FTP or WebDAV. In all the presentation addressed a lot of already known fact of the XMLDB functionality and not really how to use it with huge amounts of unstructured data.