Database Administration & Monitoring Execution Plan with ASH 21.01.2016 by Oracle Team By Franck Pachot . Here is a query I use when I'm on a system that has Diagnostic Pack (ASH) but no tuning Pack (SQL Monitor). It displays the execution plan with dbms_xplan.display_cursor and adds the % of ASH samples(…)
Database Administration & Monitoring SQL Server AlwaysOn and availability groups : session timeout parameter 20.01.2016 by Microsoft Team Have you ever faced to timeout issues with SQL Server availability groups? If you take a look at the timeout parameters for an availability group, you will find a plenty of configuration settings. Indeed, you have timeout parameters(…)
Database Administration & Monitoring DataPump ‘Processing object type’ misleading messages 18.01.2016 by Oracle Team By Franck Pachot . You've started a long DataPump and see it stuck on TABLE/STATISTICS/TABLE_STATISTICS, but you don't expect that step to take a long time. Let's see if we can rely on that message.
Database Administration & Monitoring, Technology Survey About SSH keys in Oracle Public Cloud 18.01.2016 by David Hueber When working with resources on the Oracle public cloud, whatever it is IaaS or PaaS, the principle access method is based on SSH keys exchange. Once our instance is created this is going to be the first and only way(…)
Database Administration & Monitoring Launching a VM with the Amazon AWS command line tools 18.01.2016 by Daniel Westermann The cool thing with Amazon AWS is that you can use command line tools on your workstation to bring up and manage your services. In this post I’ll look into how you can launch a Linux VM from(…)
Database Administration & Monitoring External tables in PostgreSQL? 16.01.2016 by Daniel Westermann In Oracle you can use the external table feature to load data from files into the database. The traditional way to do this in PostgreSQL is to use the copy command. But there is(…)
Database Administration & Monitoring, Database management SQL Server Tips: Default trace enabled but no file is active… 14.01.2016 by Stéphane Haby 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(…)
Development & Performance Availability groups : readable secondary replicas and impact on the storage layer 12.01.2016 by Microsoft Team Do read-only capabilities of an availability group have a performance impact for databases? The quick response is yes but let’s see why in this blog post. First of all, when we want to use our secondary replicas as read-only, we(…)
Database Administration & Monitoring Protect your oracle password function 12.01.2016 by Oracle Team By Mouhamadou Diaw Every DBA knows the famous oracle password verification script $ORALE_HOME/rdbms/admin/utlpwdmg.sql This function can be used to control password complexity. This script should be protected from unauthorized users. The reason is that by adding an insert(…)
Database Administration & Monitoring PostgreSQL on Amazon RDS – Loading the beast 12.01.2016 by Daniel Westermann The last posts outlined how you can bring up a PostgreSQL instance in the Amazon cloud, how you can restrict access to the instance, how you can configure it and how you can(…)