Talk:Conservative two-phase locking

Preclaiming (or conservative 2PL) and Strict execution are two independent properties of 2PL! All of the following variants are possible:

Strict execution Yes                    No

Yes         No deadlocks            No deadlocks No cascading aborts    cascading aborts Preclaiming No          deadlocks               deadlocks No cascading aborts    cascading aborts

The three articles on 2PL should be joined!