What are the differences between caching and database queries?
Caching is a technique to store frequently accessed data in memory for quick retrieval, while database queries involve fetching data directly from a database.
When should I use caching instead of querying the database?
You should use caching when you have data that doesn't change often and is read frequently, as it reduces load on the database.
What are the potential downsides of using caching?
The downsides include stale data if the cache isn't updated properly, increased complexity in managing cache, and potential memory usage issues.
Can you give me an example of a caching strategy?
A common caching strategy is the 'time-to-live' (TTL) approach, where cached data is automatically invalidated after a set period.
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