Kumar

I am a seasoned ETL, Data Warehousing, and BI ,Telecome BSS Testing professional with over 15 years of hands-on industry experience in designing, testing, and managing large-scale data platforms. I have worked with leading IT organizations such as Tech Mahindra, NTT Data, and VUCS Pvt Ltd, delivering enterprise-grade solutions across Telecom, Healthcare, and Energy & Utilities domains.
Currently, I focus on practical, job-oriented ETL training for working professionals, freshers, and career switchers, helping them crack interviews and succeed in real-time projects.
ETL and Metadata
ETL process
Metadata used in ETL
Metadata in Data Warehousing
Simple Data warehouse model
Online Analytical Processing (OLAP)
Online Analytical Processing (OLAP)
Nature of OLAP analysis
Types of OLAP
OLAP Tools
OLTP and OLAP
OLAP Functional requirements
OLAP Fast and Selective
Operational versus Informational System
Data Mining
Data mining
The Knowledge Discovery process
Need of Data Mining
Use of Data mining
Data mining and Business Intelligence