Database management

OCI-managed MCP Server: Troubleshooting ORA-12170 errors with Private Endpoint connectivity

We recently worked on a customer proof of concept (PoC) involving Oracle databases hosted in Oracle Cloud Infrastructure (OCI) within private VCN subnets. The goal was to evaluate OCI-managed MCP servers and determine whether extending their available toolsets(…)

SQL Server: Disabling FileTable/FileStream on an AlwaysOn high-availability instance

Contexte A customer recently asked me to disable FileTable/FileStream on their instance because the databases no longer use it, and to ensure that this is indeed the case.The aim is to migrate to a new architecture without FileTable/FileStream in(…)

Archiving 5 TB from Oracle into SQL Server: views, indexes and compression (part 2)

Translating 4,000 Oracle views, rebuilding indexes offline on Standard Edition, and compressing clustered index to save 1T.

Archiving 5 TB from Oracle into SQL Server: a migration logbook (part 1)

Loading 5 TB from Oracle into SQL Server with SSMA: type overflows, heaps, and the settings that took 788 rows/s to 42,170.

Oracle LDAP Timeouts

Introduction, Setup You are using 2 or more LDAP servers for Oracle name resolution to be highly available? Do you kown what happens if an ldap server is down or not reachable? You probably expect that it tries the(…)

Setup an LDAP server for Oracle naming on Enterprise Linux 9

Introduction To centralise Oracle naming resolution, you can use an LDAP server. You can use the commercial products from Oracle like Oracle Internet Directory (OID) or Oracle Universal Directory (OUD). Alternatively, you can also use OpenLDAP from your Linux(…)

Fixing ORA-00904 on Oracle hidden columns during SSMA data migration

SSMA fails with ORA-00904 on Oracle SET UNUSED columns. Fix it with a custom select aliasing NULL, no source DDL required.

Green SQL Server DBA Tips #3 – The hidden cost of forgotten databases

How many times have I found, during a migration, that I also have to clean up the databases no more used?Why keep them for so long if we’re not going to use them? This is something we often(…)

PostgreSQL Snapshot Backup and Restore with Proxmox ZFS (4/4)

In the blog series I previously wrote, I did not answer all the customer’s questions. The last one was the following: Can this also be applied to PostgreSQL? In short, yes, it is possible. Let’s see(…)

SQL Server:  msdb is in Suspect State

This Monday morning, we begin our SLA Support with a customer call.He cannot do a select on a table in his database… After creating the Ticket, I connect to the instance and see that the msdb system(…)