Global Big Data Consulting Market Size, Share, Statistics Analysis Report By Service Type (Consulting Services, Integration Services, Managed Services), By Deployment (On-premises, Cloud-Based), By End-User Industry (BFSI, Retail & E-commerce, Healthcare, Manufacturing, Government, Telecom & IT, Energy & Utilities), Region and Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2025-2034