Learn programming with code examples for and SQL. Explore topics like substring extraction, array merging, and database queries. Study SQL joins, sorting grouped data, and data types. Access ready-to-use code from books and trusted online sources.
Study for the US Test with official questions and answers. Practice listening with adjustable speed. Mark and review difficult questions. Access translations in multiple languages.
Through bite-sized videos, quizzes, and an AI-driven coach. Access chapters on Entrepreneurship, MBA, Accounting, and more. Track progress with weekly learning goals and receive personalized feedback.
Contains a directory of standard and SQL operations. Provides code examples from books and online resources. Includes ready-made code for problem-solving. Useful for exam and interview preparation. Available on iOS and macOS.
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Prepare for the US interview with practice tests in . Answer questions in three modes: flashcards, starred, and listen. Review answers, save difficult questions, and listen to audio versions of the questions.
Prepare for the PMP® with 35 tasks aligned to the January 2021 Examination Content Outline. Review 12 principles from PMBOK® Guide 7th Edition. Study 8 domains including their models, methods, and artifacts.
Offers bite-sized videos, quizzes, and an AI-driven coach to teach concepts. Users can track progress, access chapters on entrepreneurship, MBA, accounting, and more. Complete lessons in 60 minutes weekly to build knowledge.