Big Data as a Service Market – Global Industry Size, Share, Trends, Opportunity, and Forecast, 2018–2028F - By Solution Type (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 Organization Size (Small & Medium Enterprises and Large Enterprises), and By Industry Vertical (BFSI, Retail and E-Commerce, IT