Big Data as a Service Market Size, Share & Industry Analysis, By Solution (Hadoop-as-a-Service, Data-as-a-Service, and Data Analytics-as-a-Service), By Deployment Model (Public Cloud, Private Cloud, and Hybrid Cloud), By Industry (BFSI, Retail and E-Commerce, IT & Telecom, Healthcare, Government, Manufacturing and Others) and Regional Forecast, 2026-2034