Database management

SQL Server 2016: New Dynamic Management Views (DMVs)

In SQL Server 2016, you will discover a lot of new Dynamic Management Views(DMVs). In this article, I will just give you a little overview of these useful views for us as DBA. SQL Server 2012 has 145 DMVs(…)

Recommended DB Parameters on the Oracle Database Appliance (ODA)

When creating a DB on the ODA using # oakcli create database -db <db-name> a template is used to set a couple of DB parameters like e.g. _datafile_write_errors_crash_instance=FALSE _db_writer_coalesce_area_size=16777216 _disable_interface_checking=TRUE _ENABLE_NUMA_SUPPORT=FALSE(…)

Migration to SQL Server 2016 with deprecated data types and Full-Text

A few weeks ago, I prepared a migration from SQL Server 2008 to SQL server 2016, I came across a case with deprecated data types and a Full-Text activated on these columns. To simulate this scenario, I downloaded and(…)

SQL Server 2016: patching CU with R Services

As a good DBA, I begin to be up to date with all Cumulative Update (CU) by my customers. It is the first time that I run an update for SQL Server 2016 with the CU 3. I(…)

Oracle Database to SQL Server 2016 TCO Analyzer

Today, many enterprises are striving to transform their IT organization from a cost center into a strategic asset and looking for ways to get more value from their application and data platform investments. To deliver on(…)

PostgreSQL 10 Beta 1 : pg_hba_file_rules view

This short blog to share a helpful stuff with the pg_hba.conf file : The pg_hba.conf file is the central configuration file to control client authentication. It is located in the database cluster’s data directory : postgres@ppas01:/u02/pgdata/PG10BETA1/ [PG10BETA1] ll(…)

12c Multitenant Internals: VPD for V$ views

By Franck Pachot . I described in an earlier post on AWR views how the dictionary views were using metadata and object links to show information from other containers. But this mechanism cannot work for fixed(…)

12cR2 Application Containers and Foreign Keys

By Franck Pachot . Application Container brings a new way to share data among databases, and adds a new dimension to referential integrity. A foreign key in an application PDB can reference a row belonging to a root data link(…)

DBSAT un outil pour la sécurité de vos bases de données Oracle

Qu’est-ce que DBSAT ? C’est un outil gratuit d’Oracle que vous pouvez télécharger sur My Oracle Support avec comme référence : Doc Id 2138254.1. Il a pour but d’évaluer la sécurité de vos bases de données Oracle en analysant(…)

12c NSSn process for Data Guard SYNC transport

By Franck Pachot . In a previous post https://www.dbi-services.com/blog/dataguard-wait-events-have-changed-in-12c/ I mentioned the new processes NSA for ASYNC transport and NSS for SYNC transport. I'm answering a bit late to a comment about the number of processes:(…)