Freelancer profile translated to English.

Description

Consultant DBA SQL Server (study / prod / N3)

Expert SQL Server with over 20 years of experience, I enjoy real technical challenges.

I am used to VLDBs (databases of several TBs AX, Sage X3, Cegid Y2 etc.).

I work continuously on optimization, performance audits, modeling, code optimization, automation, migrations, high availability HADR (Always On), maintenance in operational condition (MCO), disaster recovery plans (PRA), maintenance plans, SSIS, SSRS, skills transfer (TDC) etc.

My website with technical articles that go beyond what is usually seen SoSql.fr

100% and exclusively Microsoft profile!

Industry field of expertise

Languages

French
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

3C evolution
On Malt
Consultant DBA SQL Server
September 2024 - September 2024
Performed a SQL Server performance audit
Audit Maintenance in Operational Condition SQL Skills Transfer Disaster Recovery Plan SQL Server Maintenance Plan
GIE MEDIAL chez ECHO
On Malt
Consultant DBA SQL Server
July 2024 - July 2024
We have an analysis subject on performance degradation after a migration from SQL 2016 to SQL 2022.
The subject is not closed, the problem comes from the query optimizer and I will continue to investigate the subject...
Tuning SQL Server SQL Migration
Solutions IP Protection
On Malt
Consultant DBA SQL Server
June 2024 - June 2024
Repair of a corrupted database in AAG.
Ultimately, a Drop Create of the defective index was enough, which is good, otherwise it would have been DBCC and therefore service interruption and removal of the DB from the AAG.

Clustering Always On SQL Disaster Recovery Plan SQL Server High Availability

Check out Jean-François's experience

Lucie

Xelians Digital

Reviewed on 5/31/2023

A very attentive and available provider. He is also very pedagogical, the team fully embraced Jean-François's advice following his audit. We also feel a strong experience that he does not hesitate to share. In short, I highly recommend Jean-François's expertise !!!

Julien

eiffie

Reviewed on 4/6/2023

Jean-François far exceeded my expectations for this assignment. He kept his commitments while demonstrating flexibility and offering suggestions. I highly recommend Jean-François for his mastery of SQL.

Show all 9 reviews