--Changed to Simple修改恢复模型后一定要完全备份数据库 backupdatabase northwind to jasonbak with format --change back to Full createtable jason2 (Idd int) backuplog northwind to jasonbak restore verifyonly from jasonbak dropdatabase northwind restoredatabase northwind from jasonbak with norecovery restorelog northwind from jasonbak withfile=2