we have one full backup and four log backups (L1, L2 L3,L4), some deleted L3 backup, is it possible restore the databae?

Question

We have full backup and no log backup can I restore the database?

Answer 1

Here you can get some help about your question

http://stackoverflow.com/questions/15112646/sql-server-backup-device-file-size
OR
http://blog.sqlauthority.com/2009/07/14/sql-server-backup-timeline-and-understanding-of-database-restore-process-in-full-recovery-model/