Definition: A view is a representation of a SQL statement that is stored in memory so that it can be re-used. A view is a logical entity or logical table that is essentially a SQL statement stored in the database in the system tablespace.
As it turns out, it's very likely that your Facebook and Twitter messages are better protected from government snoops than your phone texts, even when you send them from the same device.
A SWIFT MT 123 is a type of message transfer for the purpose of  sending money from one bank to another. The 1 of the 198 is decided by the two people that will be using it (sender and receiver) whereas the 98 indicates to swift that it is an envelope message. So you could get 198, 298, 389 etc messages.   Boils down to this: its a free format messsage with very little validation done by swift.