Day 3 at Oracle Open World 2014 - Cloud: Private or Public ?
One of the main subject was the Cloud. In this post I will write my thinking; is the Cloud a dream, a reality, fog or smoke? Before Before coming to OOW 2014 I did not have a fixed position about...
View ArticleOOW14 Day 4 - Internals of the 12c Multitenant Architecture by Vit Spinka
This is the session I preferred at Oracle Open World. Well, I'm writing that before going to @ludodba one and I'm sure I'll have then two preferred sessions... So Vit Spinka has presented the internals...
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Java get Class names from package String in classpath
As a Java developer you probably used to know about reflexion. However, in order to keep your software architecture flexible, some functionalities are sometimes not provided out of the box by the JVM....
View ArticleSQL Patch: Another way to change the plan without changing the code
Recently, at a customer site, I faced a performance issue. However, as often the statement is embedded in the application so it's not possible to rewrite the query. In this blog post, we'll change the...
View ArticleOOW14 Day 5 - Not only Oracle Open World
Oracle open world is finished. It was the fist time I attended this event and it is a great event: 60000 attendees from 145 countries 500 partners or customers in the exhibit hall 400 demos in the...
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Alfresco Summit 2014 - Conferences, Day 1 - Status & New version!
Today, I have the chance to be in London for the amazing Alfresco Summit 2014 (7-9 October 2014)! Two weeks ago, the Alfresco Summit took place in San Francisco but unfortunately I wasn't available at...
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SQL Server 2014 Tips: Create indexes directly via CREATE TABLE
This week, I discovered a new enhancement which is not hidden but not really visible in SQL Server 2014. Among Hekaton and other new features in SQL Server 2014, a little option appears in table...
View ArticleDocumentum upgrade project - from FAST to xPlore
We planned to do our full production upgrade in a weekend - and one part was the replacement of FAST by xPlore. As we had to index more than 10 millions objects, we had to find a solution where the...
View ArticleDocumentum upgrade project: ADTS local user or domain user?
ADTS local user or domain user: Which user should I choose as the installation owner? This question is important if you are installing a new Advanced Document Transformation Services (ADTS). You can...
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Alfresco Summit 2014 - Conferences, Day 2 - Best Practices & Monitoring
As I said in my last blog, the Alfresco Summit 2014 took place in London from October 7 to 9. So yeah, unfortunately yesterday was the last day of this amazing event. It's the first time I had the...
View ArticleHow to measure Oracle index fragmentation
At Oracle Open World 2014, or rather the Oaktable World, Chris Antognini has presented 'Indexes: Structure, Splits and Free Space Management Internals'. It's not something new, but it's still something...
View ArticleOracle system statistics: Display AUX_STATS$ with calculated values and formulas
System statistics can be gathered in NOWORKLOAD or WORKLOAD mode. Different values will be set depending on that and the others will be calculated - derived from them. We can see defined values from...
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Documentum upgrade project: Wrong icons in D2 search results with xPlore
After migrating from "Fast" to "xPlore" Documentum full-text search engine, our team discovered wrong icons in D2 search results. Documents in checked-out state continued to be displayed with the...
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SQL Server: Forced failover with AlwaysOn & Availability Groups
During a workshop at one of my customer about the implementation of SQL Server AlwaysOn and availability groups, I had an interesting discussion. It was about asynchronous replication between 2...
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Oracle IOT: when to use Index Organized Tables
When can we use IOT? That's a question I had when giving recently the Oracle DBA essentials workshop. the DBA Essential is very dense and there is only half a day about performance. We have the Oracle...
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Oracle Cloud Control 12c: removing an agent is much easier in OEM 12.1.0.4
To remove an agent in the previous Oracle OEM Cloud Control 12c versions, you first had to delete its targets, stop the agent, and remove the host target. Only then were you able to remove the agent....
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Documentum upgrade project: Configuring NTLM SSO for D2 3.1 SP1
The Documentum D2 3.1 SP1 release is kind of a mix between D2 4.1 APIs (using D2FS in backend) and D2 3.1 front-end. It needs SSO to be fully implemented and the configuration has to be applied for 3.1...
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Windows 10: The new features
First, it should have been Windows 9, but finally the new Microsoft operating system is named Windows 10! In the same way as for my blog post on Windows 8, I have decided to write a few words about the...
View ArticleWhat about ALTER INDEX ... SHRINK SPACE ?
I've published recently my script to check index fragmentation. But then do you COALESCE or REBUILD? Well there is also another option - ALTER INDEX SHRINK SPACE. Let's compare all those index...
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Documentum upgrade project: from D2-Config 3.1 to D2-Config 4.1
During a migration from D2-Config 3.0 to D2-Config 4.1, we have encountered 2 issues. In order to have a clean installation and the insurance of being able to backup the configuration, we have decided...
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