Database Administration & Monitoring

Patch ODA X8 : 19.9 to 19.11

By Mouhamadou Diaw In this blog, I describe the patching of an ODA X8 from 19.9 to 19.11. We use following patches p32790643_1911000_Linux-x86-64.zip : Oracle Database Appliance Server Patch for ODACLI/DCS Stackp30403673_1911000_Linux-x86-64.zip : Oracle Database Appliance GI Clone for(…)

How to automatically download last SQL Server SP and CU with PowerShell

One of my customer asked me some days ago to create a PowerShell script to patch its SQL Server instances. After a reflection time, the first step will be to download the last Service Pack and the last Cumulative Update(…)

Oracle 21c and Dbvisit 11

By Mouhamadou Diaw Dbvisit 11 is released since a few months ans now is referenced as Dbvisit Standby MultiPlatform v11 ( Dbvisit StandbyMP 11 ) for Linux and Windows.  It brings revolutionary improvements, including being able to manage both(…)

SHELL SCRIPTING: How to return values from functions in bash scripts

BASH: make function to return arbitrary values, not only numbers(…)

SQL Server 2022 security: Do you know Ledger?

You probably hear or view that on the security point of view, the next version of SQL Server: SQL Server 2022, has a feature named Ledger. It’s already used in Azure but what is Ledger? In 2 points, I will(…)

Configure Oracle DB for using Large Pages on AIX

When it comes to deploying a new Oracle infrastructure, 90% of it is implemented on Linux. This makes sense, because Oracle runs very stable and performant on Linux and it is also Oracle’s own development platform. But since variety makes(…)

SQL Server Deadlock on UPDATE with Serializable isolation level

Recently I spent some time on a recurring Deadlock problem on a customer’s site in a high concurrency environment. It was only after finding the solution on my own that I discovered that this particular problem is already well documented(…)

SQL Server Security: Check if the guest is active on all user-databases through the CMS

Today, a customer asks me to have look on each SQL Server instance to control if the user-database Guest is active or not. The easiest way is to go through the CMS (Central Management Servers) with a query but witch(…)

A few words about the good to know MAX_IDLE_BLOCKER_TIME

The increasing popularity of tools like SQL Developer and Toad, sometimes comes hand in hand with an increase of stuck sessions.This is especially seen in cases where: User A does a change (neither committed nor rolled back). Then, switches to(…)

Power BI – Active Directory data integration

Introduction This documentation explains how to integrate Active Directory data in a Power BI report. It explains also how to link this data with another data source. To illustrate the method, we will integrate Active Directory Computer data and link(…)