Non-lock concurrency control

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

There are several non-lock concurrency control methods, which involve the use of timestamps on transaction to determine transaction priority:

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

See also

• Concurrency pattern
• InterBase
• Lock-free and wait-free algorithms