Coursera
Dive into the world of operating systems with 'Intro to Operating Systems 4: Persistence' – a Coursera course designed for those eager to understand how OSes manage persistence, performance, and security. Explore topics like input/output mechanisms, file system management, data integrity, protection strategies, and distributed systems without needing to install any software.
EdX
Discover the fundamentals of creating robust and scalable relational databases with this in-depth online course. Learn various models, understand normalization forms, and apply industry-standard design principles to build reliable data structures.
Coursera
Embark on a journey from messy to pristine data with our 'Process Data from Dirty to Clean' course. Designed for aspiring data analysts, this course will teach you how to cleanse your datasets, ensuring accuracy and reliability in your analysis. Utilize spreadsheets and SQL to refine your data, and learn the critical steps of verification and reporting to ensure your findings are accurate and impactful.