New — ProofKosh is now live on AWS Marketplace — the DPDP Act consent ledger & audit evidence platform.
Explore ProofKoshProofKosh View on AWS MarketplaceAWS

Trusted Digital Transformation Partner

Virender Kumar — Head of Cloud & Database, ROSTAN Technologies
Oracle Gold Partner 32 articles

Virender Kumar

Head of Cloud & Database · ROSTAN Technologies

Virender Kumar leads the cloud and database practice at ROSTAN Technologies, covering Oracle Database administration, Oracle Cloud Infrastructure (OCI) and enterprise cloud migration.

Areas of expertise
Oracle Database Oracle Cloud Infrastructure Database administration Cloud migration Oracle Database 23ai

Articles by Virender

Oracle Database Backup and Recovery Best Practices for Production Environments
oracle database

Oracle Database Backup and Recovery Best Practices for Production Environments

Oct 16, 2026
Oracle Database Performance Tuning: 10 SQL Optimisation Techniques That Actually Work
oracle database

Oracle Database Performance Tuning: 10 SQL Optimisation Techniques That Actually...

Oct 09, 2026
Oracle Database 23ai: Complete Guide to AI Vector Search for Enterprise Developers
oracle database

Oracle Database 23ai: Complete Guide to AI Vector Search for Enterprise Develope...

Oct 06, 2026
Azure Cost Optimization for Indian Enterprises: Reserved Instances, Hybrid Benefit & FinOps Playbook (2026)
cloud

Azure Cost Optimization for Indian Enterprises: Reserved Instances, Hybrid Benef...

Sep 09, 2026
BigQuery Cost Optimization for Indian Enterprises: On-Demand vs Slots & the FinOps Playbook (2026)
cloud

BigQuery Cost Optimization for Indian Enterprises: On-Demand vs Slots & the FinO...

Sep 09, 2026
Oracle Fusion Analytics Warehouse (FAW): What It Actually Is
oracle database

Oracle Fusion Analytics Warehouse (FAW): What It Actually Is

Jul 27, 2026
OBIEE to Oracle Analytics Cloud (OAC) Migration Guide
oracle database

OBIEE to Oracle Analytics Cloud (OAC) Migration Guide

Jul 27, 2026
Is Oracle OBIEE Still Supported? What the Extended Support End Means
oracle database

Is Oracle OBIEE Still Supported? What the Extended Support End Means

Jul 27, 2026
Migrating Oracle to PostgreSQL or MongoDB: What Actually Breaks
oracle database

Migrating Oracle to PostgreSQL or MongoDB: What Actually Breaks

Jul 27, 2026
24x7 Remote Oracle DBA Support: SLA Tiers Explained
oracle database

24x7 Remote Oracle DBA Support: SLA Tiers Explained

Jul 27, 2026
Oracle DBA vs PostgreSQL DBA: What's Actually Different
oracle database

Oracle DBA vs PostgreSQL DBA: What's Actually Different

Jul 27, 2026
Setting Up Oracle Cloud Infrastructure the Right Way: Tenancy, Compartments & Landing Zones (2026)
cloud

Setting Up Oracle Cloud Infrastructure the Right Way: Tenancy, Compartments & La...

Jul 17, 2026
OCI Networking Explained: VCNs, Subnets, Gateways & Hybrid Connectivity (2026)
cloud

OCI Networking Explained: VCNs, Subnets, Gateways & Hybrid Connectivity (2026)

Jul 17, 2026
Oracle Cloud Infrastructure Security: IAM, Encryption & Cloud Guard (2026)
cloud

Oracle Cloud Infrastructure Security: IAM, Encryption & Cloud Guard (2026)

Jul 17, 2026
How to Make Your AWS Activate Credits Last: A FinOps Starter Guide for Startups (2026)
cloud

How to Make Your AWS Activate Credits Last: A FinOps Starter Guide for Startups...

Jul 17, 2026
AWS Activate Eligibility for Australian Startups: Do You Qualify, and for How Much? (2026)
cloud

AWS Activate Eligibility for Australian Startups: Do You Qualify, and for How Mu...

Jul 17, 2026
Setting Up AWS for a New Zealand Startup: Region, Account and Data Residency (2026)
cloud

Setting Up AWS for a New Zealand Startup: Region, Account and Data Residency (20...

Jul 17, 2026
Sydney vs Melbourne: Which AWS Region Should Your Australian Startup Use? (2026)
cloud

Sydney vs Melbourne: Which AWS Region Should Your Australian Startup Use? (2026)

Jul 17, 2026
The AWS Auckland Region: What New Zealand's First Cloud Region Means for Startups (2026)
cloud

The AWS Auckland Region: What New Zealand's First Cloud Region Means for Startup...

Jul 17, 2026
Oracle EBS Disaster Recovery on OCI: The Architecture, and the RTO Trap
cloud

Oracle EBS Disaster Recovery on OCI: The Architecture, and the RTO Trap

Jul 16, 2026
Oracle Performance Tuning Is Not About SQL, It Is About the Entire Ecosystem
oracle database

Oracle Performance Tuning Is Not About SQL, It Is About the Entire Ecosystem

Jul 13, 2026
The Hidden Realities of Migrating Oracle EBS to OCI: What the Diagrams Do Not Tell You
cloud

The Hidden Realities of Migrating Oracle EBS to OCI: What the Diagrams Do Not Te...

Jun 12, 2026
AWS Activate Credits for Indian Startups: Eligibility, $100K Tiers & How to Apply (2026)
cloud

AWS Activate Credits for Indian Startups: Eligibility, $100K Tiers & How to Appl...

Jun 03, 2026
AWS Cloud Migration for Indian Enterprises: The 7 Rs Framework with Real India Examples
cloud

AWS Cloud Migration for Indian Enterprises: The 7 Rs Framework with Real India E...

May 22, 2026
The Integration Was Working Perfectly Until HTTPS Entered the Picture — Oracle Wallet & SSL Configuration for Secure Database Connectivity
oracle database

The Integration Was Working Perfectly Until HTTPS Entered the Picture — Oracle W...

May 21, 2026
AWS vs Oracle Cloud Infrastructure (OCI) for Indian Enterprises: Which Cloud Wins in 2026?
cloud

AWS vs Oracle Cloud Infrastructure (OCI) for Indian Enterprises: Which Cloud Win...

May 08, 2026
Oracle Database 23ai vs PostgreSQL 16 for Enterprise AI Workloads: A Technical Comparison
oracle database

Oracle Database 23ai vs PostgreSQL 16 for Enterprise AI Workloads: A Technical C...

May 02, 2026
Oracle Database 23ai Property Graph, SQL/PGQ & In-Database Machine Learning — Technical Deep Dive
oracle database

Oracle Database 23ai Property Graph, SQL/PGQ & In-Database Machine Learning — Te...

May 01, 2026
Building Production RAG on Oracle Database 23ai: Vector Search + LangChain + Python End-to-End
oracle database

Building Production RAG on Oracle Database 23ai: Vector Search + LangChain + Pyt...

Apr 29, 2026
Oracle Database 23ai: Select AI, DBMS_CLOUD_AI & LLM Integration — Complete Technical Guide
oracle database

Oracle Database 23ai: Select AI, DBMS_CLOUD_AI & LLM Integration — Complete Tech...

Apr 28, 2026
Oracle Analytics Cloud + AI: Machine Learning Pipelines Without Writing Code
oracle database

Oracle Analytics Cloud + AI: Machine Learning Pipelines Without Writing Code

Mar 28, 2026
Oracle Database 23ai: Vector Search, JSON Duality Views & AI Vector Index Deep Dive
oracle database

Oracle Database 23ai: Vector Search, JSON Duality Views & AI Vector Index Deep D...

Mar 18, 2026

Work with Virender's team

Speak to ROSTAN's Head of Cloud & Database practice about your Oracle project — implementation, migration, support or a second opinion.

Book a Consultation
Get a Free Consultation

Speak with an expert about your digital transformation goals.

Contact Us Book a Meeting

Let's Connects

Back to Top