Pentru un point in time restore aveti nevoie minim de un full backup si de toate backup-urile de transaction log de la ultimul full-backup inclusiv the tail of the log (ultimul backup de transaction log).
Aruncati o privire pe acest articol: http://www.microsoft.com/technet/prodtechnol/sql/2000/maintain/sqlbackuprest.mspx#ET2AE
Cristian Andrei Lefter, SQL Server MVP
MCT, MCSA, MCDBA, MCAD, MCSD .NET,
MCTS, MCITP - Database Administrator SQL Server 2005
http://sqlserver.ro