MySQL server administration
5.0(3)Querying Microsoft SQL Server
5.0(3)Linux system administration (LPIC-1)
5.0(3)Total BGP for engineers
5.0(3)UNIX system administration
5.0(3)Best Practice in Portfolio Management in Upstream Oil and Gas
Windows server 2019 administration
5.0(3)MySQL for developers
5.0(3)