A while back, I promised some details on the Google Now TV Card I found accidentally.
I was watching TV via an HDTV antenna and happened to pop open Google Now for some reason or another. Now showed me this card:
Freaky, right? I dismissed it, but my curiosity was (more...)
Compression is often mentioned in reverent tones as the cure for database space problems, and properly used it can be just that. However simply throwning compression at a table without careful consideration of what can be accomplished or what behavior to expect afterwards can leave you scratching your head in (more...)
We will complete our lab by installing the Oracle Database software, create a Pluggable database and take a look in the Oracle Enterprise Manager Database Express.
The steps to install and create an Oracle Database 12c are:
1 – Go to the database directory created when unzipped the 2 Oracle (more...)
The main question about the DBA job I hear all the time is: How can I became a successful DBA?
Most of the people that I talk to who have difficulties starting out in their DBA career really have an issue trying to absorb the mountainous volumes of information that (more...)
On this scenario we will talk about how to implement HA (High Availability) for OVM 3.1 between a Primary Site (Production) and a Secondary Site (DR) located at 800 km away. On this post we will only talk about the storage replication part and how to make it work (more...)
An interesting question was posed on the Oracle-L list a while back; a member was having difficulty getting a constraint created using an existing non-unique index as Oracle would consistently consume all of the TEMP space and cause the process to terminate for lack of resources. The conventional wisdom was (more...)
A question was recently asked by a colleague regarding unique indexes and constraints. He was complaining that the unique index did not create the associated constraint by default. Unlike the situation when a unique constraint is created (the associated unique index is created if no other index is specified) there (more...)
After having a good sleep I attended the first session in the morning from George Djerdj Srdanov with a presentation called “How to Get the Most Out of Your I/O Subsystem?”. George dived deep into the I/O subsystem, with the following important subjects:
- Different RAID configurations (Read and Write (more...)
Due to a cold or “the bug” some at the symposium called it, I had a very bad night sleep. In the morning I was not able to follow the sessions and I ended up having a good breakfast and released the new white paper and latest presentation to Hotsos (more...)