If you kill a session belonging to a background process you will cause an instance crash. Identify the offending session using the [G]V$SESSION and [G]V$PROCESS views as follows. The SID and SERIAL# values of the relevant session can then be substituted into the commands in the following sections.
Confidence votes 2.3K. They will be stored there forever until you delete them. Even after you delete them, they will stay stored on Facebook's servers for 30-60 days until they are finally permanently deleted by their servers.o answer/reply to a Facebook message all you need to do is go onto  the message you want to reply to. Under what you have been sent  there is a blank bar so type in your me â¦ ssage then on the right  click reply. + 26 others found this useful. Anthony Alves.
While the iPhone application does not allow you to permanently delete messages from Facebook`s system, you can archive messages using the iPhone application. Archiving the message deletes the selected message from your Facebook inbox. You can later delete the message permanently from Facebook by accessing your Facebook account from a computer and deleting the contents of the Facebook Messages archive folder.