THE PERSON BEHIND THE QUERIES

Hello, I’m Balaaji.

Database reliability engineer · Architect · DBA

Simply a data nerd. I love working with and exploring new technologies, specialising in Oracle Database. This notebook is where I share what I learn along the way.

Find me on LinkedIn
Balaaji Dhananjayan
Always learning. Always sharing.
WHY THIS NOTEBOOK EXISTS

In teaching others,
we teach ourselves.

My intention is to explore the functions and features of database software and share that knowledge with the world. In teaching others, we teach ourselves.

MY WORLD OF DATA

What I work with.

Oracle Database

  • Core database
  • Real Application Clusters
  • DataGuard
  • GoldenGate
  • Performance tuning
  • Backup & recovery
  • Disaster recovery
  • Data optimisation
  • Encryption, auditing & compliance

Cloud computing

  • Google Cloud: Cloud SQL, AlloyDB, Firestore, Spanner
  • AWS: RDS & Aurora
  • Amazon DocumentDB
  • Oracle on EC2 with Active Data Guard
  • Oracle RAC on FlashGrid

Beyond relational

  • MongoDB
  • Redis
  • PostgreSQL
  • Informix
  • Elasticsearch & the ELK stack
  • Kafka & Zookeeper
  • Striim data replication

Database appliances

  • IBM Netezza
  • Oracle Exadata X8
  • Exadata Cloud@Customer X11M
THE FOUNDATIONS

Education

2007

Bachelor of Technology

Computer Science Engineering

2018

Master of Business Administration

Systems

ALWAYS A STUDENT

Certifications

2008

Oracle9i Database Administrator Certified Associate

2008

Oracle9i Database Administrator Certified Professional

2010

ITIL V3 Foundation

2018

Oracle Database 12c Administrator Certified Professional

2018

Oracle Database 12c: RAC and Grid Infrastructure Administrator Certified Expert

2020

Google Cloud Professional Cloud Architect

2023

Google Cloud Professional Cloud Database Engineer

2024

Oracle Cloud Infrastructure Generative AI Professional