This is the correct answer - primary keys should be unique, immutable and MEANINGLESS.
Not sure I agree that users will never type in the key directly, though. Scanning QR codes and verifying by GPS assumes a smartphone, and they have to make it inclusive enough that someone could park using voice only. (Although they could just mandate a…
This is the correct answer - primary keys should be unique, immutable and MEANINGLESS.
Not sure I agree that users will never type in the key directly, though. Scanning QR codes and verifying by GPS assumes a smartphone, and they have to make it inclusive enough that someone could park using voice only. (Although they could just mandate a physical Pay & Display machine to accommodate such luddites.)
This is the correct answer - primary keys should be unique, immutable and MEANINGLESS.
Not sure I agree that users will never type in the key directly, though. Scanning QR codes and verifying by GPS assumes a smartphone, and they have to make it inclusive enough that someone could park using voice only. (Although they could just mandate a physical Pay & Display machine to accommodate such luddites.)