Database management

Collation changes in Microsoft SQL Server are not that simple

Lots of DBAs are changing the collation of their SQL Server databases without knowing exactly what they do and the consequences of this change. And as they don’t know what they do, they often only perform the small and easiest(…)

Oracle 12c: Partitioning enhancements Part II – Other improvements

Oracle Database 12c offers several enhancements for partitioning. In a previous blog posting, I talked about reference partitioning enhancements. This post will present other enhancements in relation to general partitioning. Asynchronous index maintenance With Oracle database, a global index(…)

Oracle Database 12c : démarrage automatique des Pluggable Databases

Dans ce blog post, nous allons nous intéresser à la gestion des PDBs (Pluggable Database) dans Oracle 12c. Plus exactement, nous allons nous pencher sur l’arrêt et le démarrage automatiques des PDBs en utilisant le Server Control (srvctl) du(…)

Oracle Database 12c: The secret of moving datafiles online

Some time ago, my colleague Michael Schwalm wrote about a new Oracle Database 12c feature for moving database files online. In this post, we will not describe the syntax of the command, but focus on Oracle internals. To do(…)

Oracle Database 12c: PDBs not fully transportable yet

One of the benefits of the new Oracle multi-tenant database option is to create a kind of cloned environment through simple statements. This post will focus on the creation of pluggable database through a database link. The reason of(…)

Oracle Database 12c: SecureFiles enhancements

Oracle Database 12c features with some enhancements for LOB objects and particularly for the SecureFiles. This is not a revolution, but we can see that the range of possibilities with LOB objects increases with the different releases of Oracle…(…)

Oracle Database 12c new features: segregation of duties with new administrative roles

Starting with Oracle Database 12C Release 1 a set of new administrative privileges that are more task oriented are available.Before Oracle 12c it was needed to have the SYSDBA privilege to make a backup, to monitor the Data(…)

Oracle Database 12c: Partitioning enhancements Part I – Reference partitioning

Oracle Database 12c offers several enhancements for partitioning. This blog posting will present some enhancements in relation to reference partitioning. The differences between the Oracle 11g R2 and Oracle 12c releases will be shown using practical examples. TRUNCATE and(…)

Data Pump in Oracle Database 12c: die wichtigsten Neuigkeiten

Letztes Jahr hat Oracle CEO Larry Ellison während der Oracle OpenWorld in San Francisco ein neues Datenbank Release angekündigt, das nun endlich zur Verfügung steht. In diesem Blogbeitrag möchte ich einige der wichtigsten Data Pump-Neuigkeiten vorstellen. Eine komplette Übersicht(…)

Errors while installing Oracle Database Vault on Oracle 11.2.0.3

During one of my last consulting missions, I had to install Oracle Database Vault on an existing Oracle environment. It clearly was not a straigthforward process, since I experienced some weird errors such as: ORA-28003: password verification for the specified(…)