Caching is a technique used to store frequently accessed data in a temporary storage for faster retrieval. Caching improves performance by reducing the need to fetch data from the original source. It involves storing data in a cache, which is a high-speed storage system closer to the user or application. When a request is made for data, the cache is checked first, and if the data is found, it is returned quickly. If the data is not in the cache, it is fetched from the original source and stored in the cache for future use. Caching can be implemented at various levels such as database, application, or network level. Popular caching techniques include in-memory caching, content delivery networks (CDNs), and browser caching.

Freshworks Interview Questions: How caching works ?

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How caching works ?

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Caching is a technique used to store frequently accessed data in a temporary storage for faster retrieval.

Caching improves performance by reducing the need to fetch data from the original source.
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How caching works ?

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