Database management

SQL Server: Cannot execute as the database principal “dbo” does not exist

By a customer this month, I see a very big big ErrorLog file (more than 1,5GB). When I open the file, every 5 seconds, the following message is added: The activated proc ‘[dbo].[IdentityServerNotificationCleanup]’ running on queue ‘<database>.dbo.IdentityServerNotificationsQueue’(…)

Oracle Database Appliance 19.13: what’s new and how to patch?

Introduction Patch 19.13 is now available on ODA. It’s time to test it. What’s new? This version brings October’s PSU to database and grid homes with their bug fixes, as usual. It also brings 21.4 for DB Systems (21c being(…)

When unreachable NFS share mess up your Dbvisit Standby configuration

If I had to rank my favorite Oracle-related tools and software, Dbvisit Standby would likely be at the top of the list. You are reading this post, so you probably know that Dbvisit Standby is a(…)

SQL Server: how to have the number of core-based licenses used on my environment?

This week, a customer asks me to find out how many SQL Server Standard licenses are used in their environment. The licensing is core based and to not be used for Sserver + Cals licenses. To have an idea,(…)

Move a PDB from a server to another one using NFS

Introduction Multitenant brings new possibilities regarding Oracle databases, and one of them is to move a database from a container to another quite easily. When containers are on the same server, it’s very easy, but when the containers are on(…)

ODA 19.12: How can you manage DB Systems with odacli?

Introduction As virtualization is available for all ODAs now, you could ask yourself if it’s a good idea to use this virtualization or not. Databases can be created as bare metal, but also within a DB System for better isolation.

5 things that aren’t true about RMAN

Introduction RMAN backups are not a hot topic today. This is because it didn’t evolve that much in 12c/18c/19c, and most of the databases are now protected by a good backup strategy since years, and no changes are needed. Furthermore,(…)

Dbvisit 10 on Oracle Database Appliance

By Mouhamadou Diaw Dbvisit Standby can also be installed on Oracle Database Appliance (ODA). The installation is the same that on any other Linux box. I did an install of Dbvist 10 on an ODA 19.12 for a customer and(…)

SQL Server – Granting SQL Server permission to service SID

Introduction We know that SQL Server itself is using it own SID NT SERVICEMSSQL$ and NT SERVICESQLAGENT$ to grant permission to the database engine and the SQL agent services. But the same method can be used for other application(…)

Install Enterprise Manager 13c R5: Check the db edition Failed

By Mouhamadou Diaw A few days ago, I was setting an Enterprise Manager 13c R5 for a client. The configuration used is the following -The EM binaries are installed in a separate server than the database -The database(…)