Final answer:
A memory datastore is used to store data in the memory of a computer system. It is a fast and efficient way to access and manipulate data because accessing data from memory is much faster than accessing it from disk storage.
Step-by-step explanation:
A memory datastore is used to store data in the memory of a computer system. It is a fast and efficient way to access and manipulate data because accessing data from memory is much faster than accessing it from disk storage.
Memory datastores are commonly used in applications that require real-time processing or need to handle large amounts of data quickly, such as database systems and caching systems.
For example, in a web application, a memory datastore can be used to store frequently accessed data, such as user session information, so that it can be quickly retrieved and updated.