Database management

SQL Server 2016 RC3: .NET Framework 3.5 is no longer required during installation

As you may certainly know, the last release candidate of SQL Server 2016 (RC3) has been released by Microsoft a couple of days ago. You may find the announcement here.  As usual, after downloading the binaries(…)

Dbvisit Standby Version 7 auf Windows Server 2012 R2

Ausgangslage Wie gut lässt sich mit Oracle Standard Edition unter Windows eine Hochverfügbarkeitslösung aufbauen? Die Basis, zwei Windows Server 2012 R2, Oracle Standard Edition und Dbvisit Standby. Die eingesetzte Version Dbvisit Standby 7.0.48.15006. Die eingesetzte Oracle Version 12.1.0.2.0. Installation Die Windows(…)

Oracle kernel relink on Linux: Are my options stored persistently?

I recently visited an Oracle presentation about the Oracle-kernel built-in directNFS (dNFS) driver. To use dNFS in the database you have to enable it: cd $ORACLE_HOME/rdbms/lib make -f ins_rdbms.mk dnfs_on REMARK: In versions before 11gR2/12c(…)

SQL Server 2016: CREATE TABLE for Stretch Database is available

This month, the Release Candidate 1 (RC1) for SQL Server is available. With this new version, you can now use the “CREATE TABLE” command for Stretch Databases. If you read the msdn page(…)

SQL Server AlwaysOn: when a listener becomes the cluster and vice versa

Let’s talk about a funny story that concerns an interesting issue that I faced a couple of months ago at one of my customers. Initially, the problem concerned only the creation of an availability group listener but after deleting the(…)

SQL Server AlwaysOn : the registry is also important for availability groups

A couple of months ago, we experienced with my colleague Nathan Courtine a weird issue at one of our customers. This issue concerned an AlwaysOn availability group and more precisely to the WSFC cluster layout. I(…)

Introduction to MongoDB

MongoDB is an open source NoSQL database management system document-oriented. MongoDB allows the manipulation of structured and unstructured data. It is schema-less and can be used to store a large data volume. This blog is explaining the main principle of(…)

SQL Server Tips: Default trace enabled but no file is active…

I discover a strange error with a customer about the default trace. As you know, SQL Server has a default trace with a lot of events like the data and log file growth. This trace is enabled by default and(…)

SQL Server 2016 – availability groups and gMSAs

This blog post will probably not concern customers where either password policy change rules are not defined for service accounts or Kerberos authentication is not used. But I’m sure that the number of these customers has decreased over at least(…)

pg_dump: [archiver (db)] query failed: ERROR: schema “sys” does not exist

As I could not find any information about this error when I faced it this is just a short hint: If you try to use pg_dump or pg_dumpall out of a(…)