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SQL Server 2016: In-Memory OLTP enhancement

The CTP2.1 has been released for some weeks and it is time to check which interesting enhancements have been already deployed for the In-Memory OLTP feature. I will first have a look to the memory optimized table. Memory Optimized(…)

Dealing with SSRS subscription schedules in AlwaysOn environment

A couple of days ago, I had the opportunity to work with AlwaysOn 2014 infrastructure that included a report server (SSRS) in native and scale-out mode. As you know, dealing with SSRS and availability groups is not an easy task(…)

How to solve accent sensitive problems?

Some days ago, one of my customer claimed that searching for “Muller” doesn’t return “Mueller” and “Müller” as well! This is typically an issue due to the collation of the SQL Server database, but how to resolve this problem?(…)

Don’t use the default database file autogrow settings !

I often noticed default values for database file autogrow settings during my audits. You don’t trust me? Let me talk about a funny story about an incredible (and extreme) situation that concerns a transaction log file and its default settings.

Clustered columnstore index and memory management

Few weeks ago, I had the opportunity to give a session about the clustered columnstore index feature (CCI) at our In-Memory event dedicated to In-Memory technologies for Microsoft SQL Server, Oracle and SAP HANA. During our session, I explained(…)

ACFS 12.1.0.2 on Oracle Linux 7.1

Recently we wanted to create an ACFS filesystem on a brand new 12.1.0.2 GI installation on Oracle Linux 7.1. According to the documentation this should not be an issue as “Oracle Linux 7 with the Unbreakable Enterprise kernel:(…)

Kerberos SSO with Liferay 6.1 v2

A little bit less than one year ago, I wrote a blog about how to setup the Kerberos SSO on Liferay using Apache httpd as a front-end, Tomcat as a back-end and with auth_mod_kerb and mod_jk to transfer the(…)

RESULT_CACHE hint expiration options

By Franck Pachot . The result cache is very nice when base tables are static: get the result without any buffer get, without any join or sorts. But as soon as any DML occurs on one of the tables(…)

Testing the just released PostgreSQL 9.5 Alpha in a docker container

On the 2cnd of July the PostgreSQL Global Development Group released an alpha version of the upcoming PostgreSQL 9.5. The same day, Josh Berkus, another of those PostgreSQL core team members released a docker image for(…)

Multitenant vs. schema based consolidation

By Franck Pachot . If you want to install multiple instances of a software, for example you host the ERP for several companies or subsidiaries, you have 3 solutions: have one database and multiple schema have multiple databases have(…)