Jul 4, 2025 · 6 min read · When you type a username during app signup and instantly see “This username is already taken,” you’re witnessing a marvel of modern engineering. Tech giants like Google, Amazon, Meta, and Twitter handle billions of users, processing millions of queri...
Join discussionApr 18, 2025 · 2 min read · +UB - префиксный класс для +Aux, поддерживающий индекс UB-Tree вместо прямых значений. Это обеспечивает эффективный диапазонный доступ к многомерным данным. Поддерживаются только положительные числовые ключи. (class +Pos +Entity) (rel x (+UB +Aux +Re...
Join discussionNov 2, 2023 · 5 min read · These are self-balancing data structures used to search, sequential access, insert, and delete data quickly. You might be wondering binary search of the ordered list is also quick, but here is the thing suppose if the array size is 1,000,000, then th...
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Sep 25, 2023 · 2 min read · Course Contents: Concepts and methods in database systems, File organization and retrieval, Data manipulation, Query formulation and language, Database models, Data description languages, database integrity and security, Data dictionary/directory sys...
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Apr 12, 2023 · 5 min read · B and B+ trees are data structures that are commonly used in computer science and information technology. These trees are used to store and organize large amounts of data in a way that allows for efficient searching and retrieval. In this essay, we w...
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