What is the difference between IEnumerable and IQueryable in LINQ?

  • IEnumerable allows for deferred execution of queries. IQueryable does not support deferred execution.
  • IEnumerable is for querying data from a database. IQueryable represents an in-memory collection of objects.
  • IEnumerable represents a collection of objects that you can iterate over. IQueryable is for querying data from a database.
  • IQueryable allows for composing LINQ queries on the server side and executing them remotely.
The main difference between IEnumerable and IQueryable in LINQ lies in their execution behavior. IEnumerable is suitable for querying in-memory collections where execution happens on the client side. IQueryable, on the other hand, is used for querying databases where execution occurs on the server side. IQueryable allows for composing LINQ queries and executing them remotely, while IEnumerable supports deferred execution but lacks this remote execution capability.
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