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SQL Server 2016 CTP2 : first thoughts about tempdb database
In my first blog about SQL Server 2016, I noticed during the SQL Server installation process that we are able to configure the number of files for tempdb. This is surely a great improvement but at this...
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SAP HANA SQL scripting optimization: the CE Functions
In SAP HANA, you have two possibilities to create the Calculated Views: Using the graphical method Using the scripting method with CE functions In this blog, I will demonstrate that CE Functions can...
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Recap SharePoint Event Paris 2015
Guillaume Meunier and I went to SharePoint Event 2015 in Paris on Saturday 30, May. This event was well organized and on time! We learned about the news features regarding SharePoint, related to B.I,...
View ArticleHow to disable a SQL Plan Directive permanently
In 12c you will see a lot of SQL Plan Directives. Some are useful to get better execution plans, but some will trigger too much Adaptive Dynamic Sampling and that can become a big overhead, especially...
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SQL Server 2016: Live query statistics
During my tests of the SQL Server 20126 CTP2, I noticed an additional icon on SQL Server Management studio which is close to the Actual Execution Plan button as shown below: I decided to take a...
View ArticleOracle memory advisors: how relevant ?
Do you look at memory advisors? I usually don't but I still show them during the performance tuning workshop because there is no easy way to get an idea about memory sizing. This morning, while giving...
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Ways to improve your SharePoint Intranet
World today is changing in companies using different path to get better communication with their staff, to boost productivity, improve the effectiveness of the strategy and business direction....
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SQL Server 2016: availability groups and the new option DB_FAILOVER
Let’s continue the SQL Server 2016’s discovery with one of my favourite topic: the AlwaysOn availability groups (AAGs). There are some improvements on this area. First of all, let’s introduce one of...
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SharePoint Governance? Why?
Companies are struggling with SharePoint. It’s been installed, and abandoned. Business stuff is not drove to make SharePoint succeed.From this point you need to dress up a governance for SharePoint....
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SQL Server 2016 : availability groups and the new potential support for...
In my first blog about availability groups with SQL Server 2016, I talked quickly about the new interesting option: DB_FAILOVER. In this blog post, I will continue by introducing the new potential...
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SQL Server 2016 CTP2: Stretch database feature - Part 1
SQL Server 2016 CTP 2 has introduced some interesting new features such as Always Encrypted, Stretch database, the configuration of the tempdb in the SQL Server installation, aso... Regarding the...
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DOAG Middleware Day: WebLogic von allen Seiten beleuchtet
This year, I had the opportunity to participate at the Middleware Day organized by the “Deutche Oracle Anwendergruppe” in Düsseldorf. As you expect, all sessions were given in a foreign language -...
View Articlequickly exchange code or text between workstations or teams
In a recent project I faced the following situation: One the one hand I had to execute scripts on a customer's workstation while on the other hand I had to integrate the results of these scripts into a...
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Flame Graph for quick identification of Oracle bug
Most of my performance stores start with a screenshot of Orachrome Lighty my preferred tool to have a graphical view of the database performance, in Standard and Enterprise Edition without any options:
View ArticleCan you have pending system statistics?
Your system statistics seems to be wrong and you want to gather or set more relevant ones. But you don't want to see all your application execution plans changing between nested loops and hash joins....
View Articledraft release notes for PostgreSQL 9.5 online
Bruce Momjian, one of the PostgreSQL Core members, just compiled the first draft version of the release notes for the upcoming PostgreSQL 9.5 Some of the goodies that will show up: BRIN indexes...
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SQL Server 2016: native support for JSON
A lot of discussions and most important, a feature requests in the Microsoft connect site here with more than 1000 votes is the origin of this new feature in SQL Server 2016. A lot of NoSQL have...
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SQL Server 2016 : availability groups and automatic failover enhancements
Let’s continue with this study of the new availability group enhancements. Others studies are available here: New database issue level detection for automatic failover Potential features in standard...
View Articleusing dbms_server_alert in combination with a custom monitoring solution
Lot's of companies do not use Grid- or Cloud Control for monitoring their Oracle databases for various reasons but rather use open source tools like nagios. And lot of those either implemented custom...
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Parallel DML in 12c
Following a question from Randolf Geist (who can imagine that there is something about parallel query that Randolf didn't know?), I get back to some notes I've taken when 12c was out and I've tested...
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