Your company's web application is experiencing performance issues due to database overload. How would you use caching to alleviate this bottleneck?

  • Database sharding to distribute load
  • Object caching with tools like Memcached
  • Prefetching data from the database
  • Query result caching at the application layer
Object caching with tools like Memcached is a useful strategy to alleviate database overload. It involves caching entire objects or data structures, reducing the need for repetitive database queries and improving overall performance.
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