+44 (0)115 933 8474 hello@n4stack.co.uk



Team Lead Database Engineer

Grahame is an SC cleared Oracle Certified Professional with nearly two decades of Oracle Database Administration and Oracle Application Server experience. He’s also cross-trained in SQL Server and has extensive enterprise experience implementing and maintaining SQL Server Estates. Grahame’s skill set includes:

• Oracle DBA – Oracle 8i, 9i, 10g, 11g, Exadata, RAC, ASM, Dataguard, RMAN, Grid Control
• SQL Server DBA – 2000, 2005, 2008, clustering, replication, mirroring, log shipping
• Structured programming languages – JavaScript, PL/SQL and HTML
• Operating system – Windows XP, Windows 2003 Server, Windows 2012 Server, AIX, Solaris 8, 9, 10 and Linux Redhat

Additional skills include cooking and basketball… Rubik’s Cubes on the other hand are his downfall!


Checklist for SQL Server Always On Availability Groups

Checklist for SQL Server Always On Availability Groups

As a Senior Database Consultant with over 20 years experience I've configured Always On more times than I can count and I find myself making the same recommendations over and over again. So, I did the sensible thing - I wrote myself an Always On checklist, and I'd...

How to Fix Oracle Database Networking Issues

How to Fix Oracle Database Networking Issues

This simple two-part procedure will help to diagnose and fix the most common sqlnet and tnsnames configuration problems.   TEST COMMUNICATION BETWEEN THE CLIENT AND THE LISTENER   We will use tnsping to complete this step. It's a common...

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