database
Export data as fast as possible : from HANA to CSV
What is the fastest method to export HANA data (table or query result) to CSV ?I use a HANA 2.0 database. I want to export a table or a sql query from the database to an external client as fast as possible and using a command line (i’m on…
SQL Server Trace Flags Classification
database Trace flags are used to set specific server characteristics or to alter a particular behavior. For example, trace flag 3226 is a commonly used startup trace flag which suppresses successful backup messages in the error log. Trace flags are…
Compression des données XML dans SQL Server
Problème : On stocke des données XML dans une table qui commence à grossir sérieusement et il devient important de réfléchir à des solutions pour essayer de gagner un peu de place de stockage pour éviter que la table explose dans les mois à venir :……
150 T-SQL Bad Practices
Many times i was asking for given best practices for T-SQL code but I don’t like best practices advices. They can be deprecated faster than you think and they can be a good advice in one case and very bad advise for another case. T-SQL Bad…
SQL Server CLR Functions vs SQL 2019 Function Inlining
Booster vos performances SQL Server en utilisant des fonctions compilées CLR C# à l'intérieur même de votre SGBDR préféré à la place des fonctions SQL classiques ! Ce tutorial montre toutes les étapes pour : écrire une…
GPU Analytics Ep 2, Load some data from OmniSci into a GPU dataframe
Although the post title is about loading some data from a GPU database into a GPU dataframe, most of it is about running JupyterLab on a GPU AWS instance, which is a little bit cumbersome to set up. Finally, once JupyterLab is running on our…
GPU Analytics Ep 1, GPU installation of OmniSci on AWS
In this post, we are going to install the OmniSci 4.6 GPU database on an Ubuntu 18.04 AWS instance. These are the actual command lines I entered when performing the installation. But let's start by introducing the motivation behind GPU databases:…