Key-value pairs are a foundational data structure in computer science, where each key is unique and is associated with a specific value, allowing for efficient data retrieval. They are integral to the functionality of associative arrays, dictionaries, and hash tables, enabling rapid access and manipulation of data through keys.

Key-value Pairs

Key-value pairs

foundational data structure

Computer science is the study of algorithmic processes, computational machines, and computation itself, which underpins the development of software and systems that drive modern technology. It encompasses a wide range of topics from theoretical foundations to practical applications, making it essential for innovation in various fields such as artificial intelligence, cybersecurity, and data science.

computer science

Unique Keys

Specific value means something is very special and important because it's exactly what we need or want. It's like finding the perfect piece of a puzzle that fits just right, making everything better.

specific value

efficient data retrieval

associative arrays

dictionaries

Hash tables are a data structure that efficiently maps keys to values, allowing for fast data retrieval in constant average time complexity, O(1). They achieve this by using a hash function to compute an index into an array of buckets or slots, from which the desired value can be found.

hash tables

rapid access

manipulation of data

data through keys

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