One of the most wonderful things of Oracle Open World are the Demo-Grounds. When you want to learn more about a certain feature, this is the place to go to. The actual developers and product managers are there to answer your questions and more!
In a previous blog I had written about Temporal Validity in Oracle 12c and whether it would be possible to have multiple validity periods on one table. You can read that (more...)
This is the first entry in a series of random articles about some useful internals-to-know of the awesome Oracle Database In-Memory column store. I intend to write about Oracle’s IM stuff that’s not already covered somewhere else and also about some general CPU topics (that are well covered elsewhere, but not always so well known in the Oracle DBA/developer world).
Before going into further details, you might want to review the Part 0 of this series and also our (more...)
During a trial run for my presentation at Oracle Open World "Oracle 12c for Developers", you can find the slides on slideshare. there was a question regarding "Temporal Validity".
What is Temporal Validity?
The documentation says it best:
Temporal Validity Support lets you associate one or more valid time dimensions with a table and have data be visible depending on its time-based validity, as determined by the start and end dates or time stamps of (more...)
Despite the title, this is actually a technical post about Oracle, disk I/O and Exadata & Oracle In-Memory Database Option performance. Read on :)
If a car dealer tells you that this fancy new car on display goes 10 times (or 100 or 1000) faster than any of your previous ones, then either the salesman is lying or this new car is doing something radically different from all the old ones. You don’t just get orders of magnitude (more...)
Oracle Database is one of the leading relational database management system and is used all over the world. It has various training’s, exams and certifications for its Database and other products. However due to regular update in Database, they have to redesign their trainings, certification and exams to add new features and to remove old […]
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When I normally start work on a new EM 12c environment, I would request to have a userid created; however, I don’t have a userid in this environment and I need access EM 12c as SYSMAN. Without knowing the password for SYSMAN, how can I access the EM 12c interface? The short answer is that I can change the SYSMAN password from the OS where EM 12c is running.
Before changing the SYSMAN password (more...)
Oracle OpenWorld is an annual conference organized by Oracle, which provides Oracle users and technologists a unique opportunity to learn and socialize. Oracle OpenWorld 2014 is scheduled to take place from September 28 – October 2, 2014 in San Francisco. The conference is designed to provide Oracle users a platform to find best suited Oracle […]
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The EOUC (EMEA Oracle User Group Community) hosts a special session on sunday during Oracle Open World. This session contains twelve things about Oracle 12c. Each of these 12 things is hosted by a different speaker, so this means that each section is only five minutes long (Strictly guarded by Debra Lilley).
Thankfully I was chosen to be one of the speaker during this special session, very excited and also very scared. (more...)
Hi there, Last week, I spoke at AIOUG Tech Day at Hyderabad. All India Oracle Users Group (AIOUG) in association with TechMahindra organized one full day of techtalk event. Believe me, the Danube auditorium was a state-of-art facility with 500 capacity. Fabulous venue and huge crowd with similar interest. I thought of sharing my experience … Continue reading
While preparing for my session at Oracle Open World on "Oracle 12c for Developers" I ran into a little remarkable thing.
When sorting a dataset, the sorting is always done last. That is what I was taught anyway. There is probably some obscure way to detect the exact execution plan, but personally I never bothered to go and investigate.
When I was created some test scripts I found there was a way to see that (more...)
With Oracle 18.104.22.168, the largest performance enhancing features, the Oracle 12c In-memory database option, has been released. Learn more about how to enable it, the licensing costs, etc. Also read other about Oracle 12c In-Memory Database FAQ's here ...
The post Increase DSS Performance by 100x and OLTP by 2x. Learn more about Oracle 12c In-Memory Database. appeared first on VitalSoftTech.
The ability to deploy Java inside the Oracle database led somebody to conclude that the source isn’t visible in the data catalog. Then, that person found that they were wrong because the Java source is visible when you use a DDL command to
COMPILE the Java source. This post discloses how to find the Java source and how to prevent it from being stored in the data catalog.
For example, (more...)
Oracle 22.214.171.124 Patch 17694377 for Linux and Solaris has been released on Metalink and edelivery a few minutes ago. Happy upgrading!
The post Oracle Database 12c Release 1 [126.96.36.199] Patch Released appeared first on VitalSoftTech.
Replicating data can be a time consuming process to setup. Fortunately, Oracle GoldenGate provide a few tools to help ease the complexity of setup. One of these tools is the “macro”. Macros are used to simplify and automate the work associated with setting up and replicating data. So what exactly is a macro? Oracle defines a macro as:
A macro is a built-in automation tool that enables you to call a stored set of processing (more...)
The long awaited Oracle Database Server 188.8.131.52.0 is available under Oracle Software Delivery Website https://edelivery.oracle.com
Currently the 184.108.40.206.0 is available for:
- Linux 64bit
- Solaris SPARC
- Solaris Intel 64bit
Happy download :-)
Hi Guys, As you all might have noticed from my social moves, we were running Multitenant Validation lab for ISV partners. Briefing on the program, the 2-day guided lab will enable the partners to test and validate their products/applications on Oracle 12c Multitenant architecture. Partners would be able to visualize and get hands-on with Multitenant … Continue reading
Enkitec folks have been beta testing the Oracle Database 12c In-Memory Option over the past months and recently the Oracle guys interviewed Kerry Osborne, Cary Millsap and me to get our opinions. In short, this thing rocks!
We can’t talk much about the technical details before Oracle 220.127.116.11 is officially out in July, but here’s the recorded interview that got published at Oracle website as part of the In-Memory launch today:
Oracle 12c introduced a new, very useful security feature to store and display the last login information for non-sys users, logging in via SQL*PLUS. The last login time is displayed in the banner by default when we log into the database using SQL*PLUS in 12c. Related Articles • Oracle 12c: Data Redaction Unified Auditing Extended SHA-2 […]
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If you have your Oracle VM VirtualBox setup and running there is a possibility that you may need to setup the network for the Virtual Machine to make it accessible from the host machine (Desktop or Laptop). This may be needed when you want to connect your local applications to the database running on the VM VirtualBox.
The post Oracle VM VirtualBox Tutorial: Connecting Applications from your Desktop to a database on VirtualBox appeared first (more...)