Posts Categorized: Technical Blog

Oracle Database Cloud Services: A Few Initial Thoughts

The website for Oracle Database Cloud Services is now online. It’s a hosted database service running Oracle 11gR2. The database can be accessed using a hosted Oracle application server, via JDBC across the Internet, or their own RESTful API a la Amazon. Notably lacking is Oracle’s own TNS network protocol. A lot of the feature set seems to be oriented toward data warehousing applications, including the aforementioned partitioning, bitmap indexes, query rewrite, and star transformations. A few other interesting features

Oracle Open World Has Been Just That

After the first day and a half, the show has yet again lived up to all expectations. Oracle has been around for over two decades and this well-oiled machine excels at everything it does … OOW 2011 being a living/breathing example. It all started with the database and everything they have touched since has turned to gold.

Hadoop and NoSQL Mythbusting

With all the buzz in OOW about the big data machine, there was also a lot of non-sense flying around. I love it that the Oracle community is finally interested in Hadoop and NoSQL, but I hate it when people sound authoritative without having an actual clue. I’ve left a few presentations with smoke coming out of my ears. Here are few things that people got all wrong

Oracle’s Big Data Machine – Details and Musings

Oracle announced the Big Data Appliance on Monday morning keynote. Many people, me included, were long waiting for this to happen. Others didn’t think it will ever happen. So naturally, there is a lot of buzz and excitement around the new device in Open World. The keynote announcement was very short on details and certainly did not satisfy my technical curiosity. So I went to a few presentations to hear what exactly is included in the offering. Here’s what I found out.

How to know if Automatic Memory Management is your Friend?

Common Cause for ORA-4031 in 10gR2, Excess “KGH: NO ACCESS” Memory Allocation [Video] [ID 801787.1] Don’t be misled by the title of the note. I think any Oracle DBA who switch on ASMM should read though this carefully. The note is full of significant technical details. I will leave it to you to read it carefully. In this blog post I would like to share with you the most important takeaway, from my point of view.

Oracle Big Data Appliance – What’s Cooking?

Many analysts are suggesting that a big data appliance will be announced at this OOW. Based on published Oracle OpenWorld focus sessions on oracle.com (PDF documents), the following technologies will most likely be the key — Hadoop, NoSQL, Hadoop data loader for Oracle, R Language. Want more details — you have to wait for them.

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