MySQL – Foreign keys and “Cannot delete or update a parent row: a foreign key...
As you know, foreign keys establish a sort of relationship between 2 tables. MySQL requires InnoDB storage engine to support foreign keys. In our example, we have the following parent table in a MySQL...
View ArticleMySQL – Time mismatch between system and log files
I was working on MySQL upgrades to version 5.7 at a customer, when I found out that for my instance, time in the error log file didn’t correspond to local system time:...
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MySQL 8.0 – Roles are finally there
Roles have been existing on many RDBMS for a long time by now. Starting from version 8.0, this functionality is finally there for MySQL. The most important advantage is to define only once a role that...
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Deploy a MySQL Server in Docker containers
We hear about Docker every day. By working on MySQL Server, I am curious to test this platform which makes it possible to create containers independent of the OS to deploy virtualized applications. So...
View ArticlePassword Verification Policy in MySQL 8.0.13
The new release 8.0.13 for MySQL is available since last week. Concerning security, this comes with a new feature already announced: the Password Verification Policy. Let’s have a look… This aim of...
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My first presentation at the DOAG – “MySQL 8.0 Community: Ready for GDPR?”
This year I participated for the first time to the DOAG, the conference which takes place in November in Nuremberg. Here some key words about this event: Oracle and other technologies, 2000 visitors,...
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Italian Oracle User Group Tech Days 2019
The Italian Oracle User Group (ITOUG) is an independent group of Oracle enthusiasts and experts which work together as volunteers to promote technical knowledge sharing in Italy. Here the ITOUG Board...
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MySQL 8 and Security – Encryption of binary logs
As I discussed in some of my recent talks at conferences (at the DOAG for example), MySQL 8 came out with new features which bring lots of improvements in terms of security. “At-Rest” encryption has...
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SUSE Expert Days 2019 in Lausanne
dbi services is now SUSE Solution Partner. What better way to celebrate that than to attend an event? Last week I was at the SUSE Expert Days 2019 which took place at the Mövenpick Hotel in Lausanne....
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POUG Conference 2019
POUG (Pint with Oracle users group) organized his annual conference on 6-7th September in Wroclaw in New Horizons Cinema. My abstract about “MySQL 8.0 Community: Ready for GDPR?” was accepted, so I had...
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Install CentOS 8 on VirtualBox
Last days, I needed to test our DMK tool for the new MySQL and MariaDB releases on the most recent version of CentOS. Here you can find all important steps to configure a CentOS 8 VM with an Internet...
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Some words about SOUG Day in Lausanne
Today I participate to SOUG Day which takes place in Lausanne at the “Centre Pluriculturel et social d’Ouchy”. After a coffee and a welcome speech by Yann Neushaus, Ludovico Caldara and Flora Barriele,...
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DOAG 2019, what a conference!
As every year, dbi services attends the DOAG conference in Nuremberg. This year the event takes place from November 19th to 22nd. dbi services at the DOAG New look for dbi services this year! The booth...
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The evolution of MySQL authentication mechanism
The authentication, the first level of security for each IT system, is the stage to verify the user identity through the basic username and password scheme. It is crucial to have a mechanism to protect...
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Changes that I like in the new MySQL 8.0.21
A new release of MySQL was out on July 13 (8.0.21). Among all the changes, there are some that I have already tested and that I really appreciate. Who stopped the MySQL server? In previous releases, I...
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Installing MySQL Server on Oracle Cloud Infrastructure Compute
If you are thinking about to move your MySQL databases to the Cloud but you are still reticent, you can maybe use the “Oracle Cloud Free Tier” offer to test it. Oracle Cloud Free Tier offers you 2...
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Installing MySQL Database Service (MDS)
On a previous blog post, we saw how to create an account on the Oracle OCI using the Oracle Cloud Free Tier offer and then how to instal MySQL Server on the Compute instance. Some weeks later, the new...
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Convert private key generated via OCI Console to ppk
I am pretty new on the Oracle Cloud Infrastructure technology, so maybe I am talking about something you already know. But anyway I prefer to share this case: it can help if you encounter the same...
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DOAG 2019, what a conference!
As every year, dbi services attends the DOAG conference in Nuremberg. This year the event takes place from November 19th to 22nd. dbi services at the DOAG New look for dbi services this year! The booth...
View ArticleClik here to view.
The evolution of MySQL authentication mechanism
The authentication, the first level of security for each IT system, is the stage to verify the user identity through the basic username and password scheme. It is crucial to have a mechanism to protect...
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