Non-lock concurrency control

In Computer Science, in the field of databases, non-lock concurrency control is concurrency control method used in relational databases without using locking.

There are several non-lock concurrency control methods:

  • Optimistic concurrency control
  • Timestamp-based concurrency control
  • Multiversion concurrency control

They involve the use of timestamps on transaction to determine transaction priority.

See also

  • Concurrency pattern
  • Optimistic concurrency control (should Optimistic concurrency control and Non-lock concurrency control be merged ?)
  • InterBase
  • Lock-free and wait-free algorithms

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