How does LINQ behave under high concurrency database access?

LINQ queries are stateless, but concurrency behavior depends on database isolation levels.

LINQ does not inherently manage concurrency. When multiple queries execute simultaneously, concurrency control is handled by the database through isolation levels like Read Committed or Serializable. EF Core DbContext instances are not thread-safe, so concurrent LINQ usage requires separate contexts. Improper handling can lead to race conditions or stale reads.