This report provides a comprehensive analysis of big data analytics, encompassing predictive analytics, NoSQL databases, and the Hadoop ecosystem. It explores the application of these concepts, including the use of Blockchain, in various contexts. The report includes a detailed case study on drug misuse data, utilizing Tableau for data visualization and analysis. The analysis covers various aspects, such as age, gender, race, and geographical locations, to identify trends and patterns related to drug-related deaths. Additionally, the report discusses the strengths of data analytics and compares different tools like RapidMiner, Knime, and Spark. The findings provide insights into the effectiveness of big data technologies in understanding and addressing complex issues.