Tamilselvan Perumal
Lead Product Engineer and Senior DBA | Oracle ACE Apprentice
Chennai, India
I am a database engineer with 12+ years of experience running Oracle, PostgreSQL, SQL Server, MongoDB and CockroachDB for Tier-1 global banks. Today I work on performance and benchmarking for core banking platforms.
This blog is where I share what I learn in production: tuning, high availability, security, migrations and the problems that do not appear in the documentation. Every post is tested hands-on before it goes live.
What I work with
- Oracle Database: RAC, Data Guard, RMAN, VPD, performance tuning
- PostgreSQL, SQL Server (Azure SQL Hyperscale), MongoDB, CockroachDB
- Kubernetes, Terraform, GitLab CI/CD, RHEL, Azure and AWS
Certifications
12+ certifications, including Oracle Certified Professional (OCP), Microsoft Azure Database Administrator (DP-300) and Azure Administrator (AZ-104).
Oracle ACE
I am an Oracle ACE Apprentice. Follow my contributions on the Oracle ACE Journey page.
Connect
Views expressed here are my own and do not represent my employer.
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