Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

Download the latest Karnataka 2nd PUC Computer Science Model Question Paper 2025–26 with answers. Master the DPUE blueprint, ...

Advanced SQL for Data Analytics. A collection of problem-solving solutions covering complex Joins, Window Functions, CTEs, and Query Optimization. Includes real-world interview questions, schema ...

UC Berkeley Computer Science Professor Sarah Chasins joins WIRED to answer the internet's burning questions about coding. How did programmers code the first ever code? What remnants of the early World ...

Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...

Abstract: Practical Code Assessment has been important in assessing students' level of understanding, coding, and assessing/evaluating. One of the challenges faced by lecturers is the difficulty in ...