VirtualBox: Failed to import appliance , Result Code: E_INVALIDARG (0x80070057)

Background: I uploaded one VirtualBox appliance to Google Drive to share with my friends. Appliance is a little-bit big one (30GB), that is why I divided it into 10 zip files using 7-zip software. My friend downloaded the appliance, started to import it, but he received the following error: Failed to import appliance C:\Users\<username>\Downloads\EM13cR2\EM13cR2.ova.Result Code: … Continue reading VirtualBox: Failed to import appliance , Result Code: E_INVALIDARG (0x80070057)

Oracle Backup & Recovery Hands-on Practice – Oracle Database 18c VM

Do you want to practice recovering from the following common failures (with a guided step-by-step procedure)?: Recovering from a critical file loss (SYSTEM , UNDO)Recovering from a non-critical file lossRecovering from the loss of the control fileRecovering from the loss of all control filesRecovering from the loss of an inactive redo log fileRecovering from the … Continue reading Oracle Backup & Recovery Hands-on Practice – Oracle Database 18c VM