Test your knowledge of SQL joins and aggregation techniques with beginner-friendly questions on INNER JOIN, LEFT JOIN, GROUP BY, and HAVING. This quiz is perfect for anyone seeking to review or strengthen their SQL query skills, especially with joins and group-based calculations.
Sharpen your Python fundamentals with this beginner-friendly quiz covering lists, tuples, swapping variables, data types, style guides, and core syntax. Designed for Python learners and job-seekers, this quiz helps reinforce key interview concepts for efficient preparation.
Assess your understanding of fundamental Python concepts and coding skills for backend development interview preparation. This quiz covers syntax, data types, control structures, functions, and essential language features relevant to backend programming in Python.
Explore foundational Python coding concepts with this beginner-friendly quiz designed for those starting backend development. Topics include syntax, variables, data types, loops, and error identification to build a solid base for learning Python programming.
Explore 10 essential questions about Python’s Global Interpreter Lock (GIL) and thread safety. This quiz aims to help backend developers understand how Python handles concurrency, multithreading limitations, and best practices for thread-safe code.