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Oracle 12c: Getting Started with DB Express
Oracle DB Express is the new replacement for Oracle DB Console in the Oracle 12c database. Here are some first steps to get started. Oracle DB Express makes use of what is called the “XDB Protocol...
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Oracle 12c: DB Express – Sneak Peek
The new Database Express or DB Express database utility is different from the former DB Console. It is based on flash and “built-in” the database. To give you a small overview (sneak peek) into this...
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Oracle 12c: Export by View
A small enhancement, but what a golden nugget! At least that’s what I think. It is now possible in Oracle 12c to export data via a view. I my realm, Oracle XMLDB, that can be an interesting feature to...
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Oracle 12c: Database Parameters…
For those in a desperate need to learn all 3351 database parameter variations… x_ksppi.txt …if you break it, then… …please let me remind you some info mentioned on my “About”-page: The content...
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Oracle 12c: XQuery Update
New, new…? No, not really new, XQuery Update (W3C standard/draft 2011) was already implemented in 11.2.0.3.0, but is now officially also announced. Besides the XQuery Full Text support (XQFT for short,...
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Oracle 12c: XQuery Full Text
New in Oracle 12c and one of the big new features in XMLDB is the XQuery Full Text functionality and, as mentioned in the post about XQuery Update, is the official W3C standard to handle unstructured...
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Oracle 12c: PGA_AGGREGATE_LIMIT
There is a new default in town. Mark my words, you will encounter the following during your 12c life-cycle… From the Oracle 12c Reference manual PGA_AGGREGATE_LIMIT: PGA_AGGREGATE_LIMIT...
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Oracle 12c: XMLIndex Support for Hash Partitioning
XMLIndex support for Hash Partitioning is now also supported in Oracle 12c. In Oracle 11 there was already support for RANGE and LIST partitioning, but not yet for HASH partitioning. Some examples for...
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Scripts to Download Oracle Database 12c Release 1 Documentation
In the past (here and here) I already shared with you the scripts I used to download the documentation related to Oracle Database. The aim of this short post is to provide the scripts I just wrote for...
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15 juli – Oracle Database 12c revealed
Afgelopen dinsdag is Oracle Database 12c beschikbaar gekomen, de nieuwste generatie van de Oracle database. AMIS biedt Oracle professionals de eerste mogelijkheid om de vernieuwingen in Oracle Database...
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An AMIS Overview of Oracle Database 12c
The presentation used during the highly successful AMIS Oracle 12c Launch Event is online for those who are interested. Enjoy. Special thanks for Thomas Kyte; for allowing me to use some of his...
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Oracle 12cR1 RAC Installation on Windows 2012 Using VirtualBox…
After having a play with Oracle 12c on Windows 8, I decided to give Windows Server 2012 a go. Here is the resulting virtual RAC installation. Oracle Database 12c Release 1 RAC On Windows 2012 Using...
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Oracle Database File System (DBFS) Enhancements in Oracle 12c
Oracle 12c includes a really neat feature I first mentioned after Oracle OpenWorld 2012. You can now access your DBFS file systems over HTTP/HTTPS, FTP or WebDAV. I’ve been having a play with it over...
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The Broken Statistics: “parse count (total)” and “session cursor cache hits”
The values provided by the “parse count (total)” and “session cursor cache hits” statistics are subject to several bugs. And, what’s worse, for years Oracle didn’t care to fix it. This is my...
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Oracle OpenWorld: JSON Support in the Oracle 12c Database (upcoming new feature)
Currently I am attending the “Schema less data management using SQL/JSON” session during Oracle OpenWorld. This session demonstrated the new upcoming feature (=not in the current release) in the 12c...
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Technology preview – Oracle XQuery for Hadoop (New Big Data Connector)
Yesterday I went to the Big Data machine engineered systems demo grounds, to get an insight, exclusive demo from Dmitry Lychagin. Dmitry, being part of the XDB team explained with a lot of enthusiasm...
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System Statistics Gathered in Exadata Mode – When Are They Relevant?
The aim of this post isn’t to explain what the “exadata mode” is. Hence, if you don’t know what it is, before continuing reading have a look to this post published on Kerry Osborne’s blog. The only...
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View Data Volume Estimates
When the optimizer has to estimate the data volume (the BYTES column in the plan output), it usually bases this information on the column statistics, if applicable and available (think of complex...
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New Version Of XPLAN_ASH Utility
A new version of the XPLAN_ASH tool (detailed analysis of a single SQL statement execution) is available for download. The previous post includes links to video tutorials explaining what the tool is...
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Oracle XMLDB Pragma – Cheat sheet
Hereby a listing of XQuery, XPath pragma’s used in the Oracle (XMLDB) environment. The list is currently not ordered, and/or order by topic; this so I will be able to add pragma’s more easily over...
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